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/* Test of POSIX compatible vsnprintf() and snprintf() functions.
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Copyright (C) 2007 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
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static double zero = 0.0;
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# define NaN() (0.0 / 0.0)
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/* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
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static double plus_zero = 0.0;
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static double minus_zero = -0.0;
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return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
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/* Representation of an 80-bit 'long double' as an initializer for a sequence
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of 'unsigned int' words. */
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#ifdef WORDS_BIGENDIAN
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# define LDBL80_WORDS(exponent,manthi,mantlo) \
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{ ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
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((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
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(unsigned int) (mantlo) << 16 \
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# define LDBL80_WORDS(exponent,manthi,mantlo) \
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{ mantlo, manthi, exponent }
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strmatch (const char *pattern, const char *string)
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if (strlen (pattern) != strlen (string))
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for (; *pattern != '\0'; pattern++, string++)
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if (*pattern != '*' && *string != *pattern)
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/* Test whether string[start_index..end_index-1] is a valid textual
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representation of NaN. */
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strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
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if (start_index < end_index)
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if (string[start_index] == '-')
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if (start_index + 3 <= end_index
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&& memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
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if (start_index == end_index
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|| (string[start_index] == '(' && string[end_index - 1] == ')'))
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test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
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/* Test return value convention. */
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for (size = 0; size <= 8; size++)
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memcpy (buf, "DEADBEEF", 8);
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retval = my_snprintf (buf, size, "%d", 12345);
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ASSERT (retval == 5);
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ASSERT (memcmp (buf, "12345", size - 1) == 0);
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ASSERT (buf[size - 1] == '\0');
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ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
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ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
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/* Test support of size specifiers as in C99. */
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my_snprintf (result, sizeof (result), "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
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ASSERT (strcmp (result, "12345671 33") == 0);
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ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "%zu %d", (size_t) 12345672, 33, 44, 55);
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ASSERT (strcmp (result, "12345672 33") == 0);
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ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
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ASSERT (strcmp (result, "12345673 33") == 0);
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ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "%Lg %d", (long double) 1.5, 33, 44, 55);
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ASSERT (strcmp (result, "1.5 33") == 0);
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ASSERT (retval == strlen (result));
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/* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
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output of floating-point numbers. */
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{ /* A positive number. */
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my_snprintf (result, sizeof (result), "%a %d", 3.1416015625, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.922p+1 33") == 0
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|| strcmp (result, "0x3.244p+0 33") == 0
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|| strcmp (result, "0x6.488p-1 33") == 0
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|| strcmp (result, "0xc.91p-2 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* A negative number. */
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my_snprintf (result, sizeof (result), "%A %d", -3.1416015625, 33, 44, 55);
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ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
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|| strcmp (result, "-0X3.244P+0 33") == 0
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|| strcmp (result, "-0X6.488P-1 33") == 0
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|| strcmp (result, "-0XC.91P-2 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Positive zero. */
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my_snprintf (result, sizeof (result), "%a %d", 0.0, 33, 44, 55);
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ASSERT (strcmp (result, "0x0p+0 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Negative zero. */
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my_snprintf (result, sizeof (result), "%a %d", -0.0, 33, 44, 55);
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if (have_minus_zero ())
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ASSERT (strcmp (result, "-0x0p+0 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Positive infinity. */
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my_snprintf (result, sizeof (result), "%a %d", 1.0 / 0.0, 33, 44, 55);
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ASSERT (strcmp (result, "inf 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Negative infinity. */
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my_snprintf (result, sizeof (result), "%a %d", -1.0 / 0.0, 33, 44, 55);
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ASSERT (strcmp (result, "-inf 33") == 0);
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ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "%a %d", NaN (), 33, 44, 55);
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ASSERT (strlen (result) >= 3 + 3
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&& strisnan (result, 0, strlen (result) - 3, 0)
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&& strcmp (result + strlen (result) - 3, " 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Rounding near the decimal point. */
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my_snprintf (result, sizeof (result), "%.0a %d", 1.5, 33, 44, 55);
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ASSERT (strcmp (result, "0x2p+0 33") == 0
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|| strcmp (result, "0x3p-1 33") == 0
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|| strcmp (result, "0x6p-2 33") == 0
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|| strcmp (result, "0xcp-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Rounding with precision 0. */
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my_snprintf (result, sizeof (result), "%.0a %d", 1.51, 33, 44, 55);
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ASSERT (strcmp (result, "0x2p+0 33") == 0
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|| strcmp (result, "0x3p-1 33") == 0
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|| strcmp (result, "0x6p-2 33") == 0
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|| strcmp (result, "0xcp-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Rounding with precision 1. */
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my_snprintf (result, sizeof (result), "%.1a %d", 1.51, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.8p+0 33") == 0
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|| strcmp (result, "0x3.0p-1 33") == 0
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|| strcmp (result, "0x6.1p-2 33") == 0
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|| strcmp (result, "0xc.1p-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Rounding with precision 2. */
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my_snprintf (result, sizeof (result), "%.2a %d", 1.51, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.83p+0 33") == 0
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|| strcmp (result, "0x3.05p-1 33") == 0
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|| strcmp (result, "0x6.0ap-2 33") == 0
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|| strcmp (result, "0xc.14p-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Rounding with precision 3. */
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my_snprintf (result, sizeof (result), "%.3a %d", 1.51, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.829p+0 33") == 0
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|| strcmp (result, "0x3.052p-1 33") == 0
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|| strcmp (result, "0x6.0a4p-2 33") == 0
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|| strcmp (result, "0xc.148p-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Rounding can turn a ...FFF into a ...000. */
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my_snprintf (result, sizeof (result), "%.3a %d", 1.49999, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.800p+0 33") == 0
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|| strcmp (result, "0x3.000p-1 33") == 0
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|| strcmp (result, "0x6.000p-2 33") == 0
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|| strcmp (result, "0xc.000p-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Rounding can turn a ...FFF into a ...000.
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This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
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my_snprintf (result, sizeof (result), "%.1a %d", 1.999, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.0p+1 33") == 0
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|| strcmp (result, "0x2.0p+0 33") == 0
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|| strcmp (result, "0x4.0p-1 33") == 0
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|| strcmp (result, "0x8.0p-2 33") == 0);
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ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "%10a %d", 1.75, 33, 44, 55);
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ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
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|| strcmp (result, " 0x3.8p-1 33") == 0
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|| strcmp (result, " 0x7p-2 33") == 0
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|| strcmp (result, " 0xep-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Small precision. */
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my_snprintf (result, sizeof (result), "%.10a %d", 1.75, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
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|| strcmp (result, "0x3.8000000000p-1 33") == 0
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|| strcmp (result, "0x7.0000000000p-2 33") == 0
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|| strcmp (result, "0xe.0000000000p-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* Large precision. */
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my_snprintf (result, sizeof (result), "%.50a %d", 1.75, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
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|| strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
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|| strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
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|| strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
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ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "%-10a %d", 1.75, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.cp+0 33") == 0
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|| strcmp (result, "0x3.8p-1 33") == 0
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|| strcmp (result, "0x7p-2 33") == 0
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|| strcmp (result, "0xep-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* FLAG_SHOWSIGN. */
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my_snprintf (result, sizeof (result), "%+a %d", 1.75, 33, 44, 55);
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ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
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|| strcmp (result, "+0x3.8p-1 33") == 0
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|| strcmp (result, "+0x7p-2 33") == 0
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|| strcmp (result, "+0xep-3 33") == 0);
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ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "% a %d", 1.75, 33, 44, 55);
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ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
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|| strcmp (result, " 0x3.8p-1 33") == 0
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|| strcmp (result, " 0x7p-2 33") == 0
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|| strcmp (result, " 0xep-3 33") == 0);
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ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "%#a %d", 1.75, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.cp+0 33") == 0
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|| strcmp (result, "0x3.8p-1 33") == 0
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|| strcmp (result, "0x7.p-2 33") == 0
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|| strcmp (result, "0xe.p-3 33") == 0);
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ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "%#a %d", 1.0, 33, 44, 55);
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ASSERT (strcmp (result, "0x1.p+0 33") == 0
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|| strcmp (result, "0x2.p-1 33") == 0
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|| strcmp (result, "0x4.p-2 33") == 0
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|| strcmp (result, "0x8.p-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* FLAG_ZERO with finite number. */
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my_snprintf (result, sizeof (result), "%010a %d", 1.75, 33, 44, 55);
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ASSERT (strcmp (result, "0x001.cp+0 33") == 0
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|| strcmp (result, "0x003.8p-1 33") == 0
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|| strcmp (result, "0x00007p-2 33") == 0
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|| strcmp (result, "0x0000ep-3 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* FLAG_ZERO with infinite number. */
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my_snprintf (result, sizeof (result), "%010a %d", 1.0 / 0.0, 33, 44, 55);
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/* "0000000inf 33" is not a valid result; see
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<http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
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ASSERT (strcmp (result, " inf 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* FLAG_ZERO with NaN. */
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my_snprintf (result, sizeof (result), "%050a %d", NaN (), 33, 44, 55);
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/* "0000000nan 33" is not a valid result; see
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<http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
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ASSERT (strlen (result) == 50 + 3
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&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
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&& strcmp (result + strlen (result) - 3, " 33") == 0);
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ASSERT (retval == strlen (result));
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{ /* A positive number. */
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my_snprintf (result, sizeof (result), "%La %d", 3.1416015625L, 33, 44, 55);
421
ASSERT (strcmp (result, "0x1.922p+1 33") == 0
422
|| strcmp (result, "0x3.244p+0 33") == 0
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|| strcmp (result, "0x6.488p-1 33") == 0
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|| strcmp (result, "0xc.91p-2 33") == 0);
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ASSERT (retval == strlen (result));
428
{ /* A negative number. */
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my_snprintf (result, sizeof (result), "%LA %d", -3.1416015625L, 33, 44, 55);
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ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
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|| strcmp (result, "-0X3.244P+0 33") == 0
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|| strcmp (result, "-0X6.488P-1 33") == 0
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|| strcmp (result, "-0XC.91P-2 33") == 0);
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ASSERT (retval == strlen (result));
439
{ /* Positive zero. */
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my_snprintf (result, sizeof (result), "%La %d", 0.0L, 33, 44, 55);
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ASSERT (strcmp (result, "0x0p+0 33") == 0);
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ASSERT (retval == strlen (result));
447
{ /* Negative zero. */
450
my_snprintf (result, sizeof (result), "%La %d", -0.0L, 33, 44, 55);
451
if (have_minus_zero ())
452
ASSERT (strcmp (result, "-0x0p+0 33") == 0);
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ASSERT (retval == strlen (result));
456
{ /* Positive infinity. */
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my_snprintf (result, sizeof (result), "%La %d", 1.0L / 0.0L, 33, 44, 55);
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ASSERT (strcmp (result, "inf 33") == 0);
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ASSERT (retval == strlen (result));
464
{ /* Negative infinity. */
467
my_snprintf (result, sizeof (result), "%La %d", -1.0L / 0.0L, 33, 44, 55);
468
ASSERT (strcmp (result, "-inf 33") == 0);
469
ASSERT (retval == strlen (result));
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my_snprintf (result, sizeof (result), "%La %d", 0.0L / 0.0L, 33, 44, 55);
476
ASSERT (strlen (result) >= 3 + 3
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&& strisnan (result, 0, strlen (result) - 3, 0)
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&& strcmp (result + strlen (result) - 3, " 33") == 0);
479
ASSERT (retval == strlen (result));
481
#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
483
static union { unsigned int word[4]; long double value; } x =
484
{ LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
487
my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
488
ASSERT (strlen (result) >= 3 + 3
489
&& strisnan (result, 0, strlen (result) - 3, 0)
490
&& strcmp (result + strlen (result) - 3, " 33") == 0);
491
ASSERT (retval == strlen (result));
494
/* Signalling NaN. */
495
static union { unsigned int word[4]; long double value; } x =
496
{ LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
499
my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
500
ASSERT (strlen (result) >= 3 + 3
501
&& strisnan (result, 0, strlen (result) - 3, 0)
502
&& strcmp (result + strlen (result) - 3, " 33") == 0);
503
ASSERT (retval == strlen (result));
505
/* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
506
Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
507
Intel IA-64 Architecture Software Developer's Manual, Volume 1:
508
Application Architecture.
509
Table 5-2 "Floating-Point Register Encodings"
510
Figure 5-6 "Memory to Floating-Point Register Data Translation"
513
static union { unsigned int word[4]; long double value; } x =
514
{ LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
517
my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
518
ASSERT (strlen (result) >= 3 + 3
519
&& strisnan (result, 0, strlen (result) - 3, 0)
520
&& strcmp (result + strlen (result) - 3, " 33") == 0);
521
ASSERT (retval == strlen (result));
523
{ /* Pseudo-Infinity. */
524
static union { unsigned int word[4]; long double value; } x =
525
{ LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
528
my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
529
ASSERT (strlen (result) >= 3 + 3
530
&& strisnan (result, 0, strlen (result) - 3, 0)
531
&& strcmp (result + strlen (result) - 3, " 33") == 0);
532
ASSERT (retval == strlen (result));
535
static union { unsigned int word[4]; long double value; } x =
536
{ LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
539
my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
540
ASSERT (strlen (result) >= 3 + 3
541
&& strisnan (result, 0, strlen (result) - 3, 0)
542
&& strcmp (result + strlen (result) - 3, " 33") == 0);
543
ASSERT (retval == strlen (result));
545
{ /* Unnormalized number. */
546
static union { unsigned int word[4]; long double value; } x =
547
{ LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
550
my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
551
ASSERT (strlen (result) >= 3 + 3
552
&& strisnan (result, 0, strlen (result) - 3, 0)
553
&& strcmp (result + strlen (result) - 3, " 33") == 0);
554
ASSERT (retval == strlen (result));
556
{ /* Pseudo-Denormal. */
557
static union { unsigned int word[4]; long double value; } x =
558
{ LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
561
my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
562
ASSERT (strlen (result) >= 3 + 3
563
&& strisnan (result, 0, strlen (result) - 3, 0)
564
&& strcmp (result + strlen (result) - 3, " 33") == 0);
565
ASSERT (retval == strlen (result));
569
{ /* Rounding near the decimal point. */
572
my_snprintf (result, sizeof (result), "%.0La %d", 1.5L, 33, 44, 55);
573
ASSERT (strcmp (result, "0x2p+0 33") == 0
574
|| strcmp (result, "0x3p-1 33") == 0
575
|| strcmp (result, "0x6p-2 33") == 0
576
|| strcmp (result, "0xcp-3 33") == 0);
577
ASSERT (retval == strlen (result));
580
{ /* Rounding with precision 0. */
583
my_snprintf (result, sizeof (result), "%.0La %d", 1.51L, 33, 44, 55);
584
ASSERT (strcmp (result, "0x2p+0 33") == 0
585
|| strcmp (result, "0x3p-1 33") == 0
586
|| strcmp (result, "0x6p-2 33") == 0
587
|| strcmp (result, "0xcp-3 33") == 0);
588
ASSERT (retval == strlen (result));
591
{ /* Rounding with precision 1. */
594
my_snprintf (result, sizeof (result), "%.1La %d", 1.51L, 33, 44, 55);
595
ASSERT (strcmp (result, "0x1.8p+0 33") == 0
596
|| strcmp (result, "0x3.0p-1 33") == 0
597
|| strcmp (result, "0x6.1p-2 33") == 0
598
|| strcmp (result, "0xc.1p-3 33") == 0);
599
ASSERT (retval == strlen (result));
602
{ /* Rounding with precision 2. */
605
my_snprintf (result, sizeof (result), "%.2La %d", 1.51L, 33, 44, 55);
606
ASSERT (strcmp (result, "0x1.83p+0 33") == 0
607
|| strcmp (result, "0x3.05p-1 33") == 0
608
|| strcmp (result, "0x6.0ap-2 33") == 0
609
|| strcmp (result, "0xc.14p-3 33") == 0);
610
ASSERT (retval == strlen (result));
613
{ /* Rounding with precision 3. */
616
my_snprintf (result, sizeof (result), "%.3La %d", 1.51L, 33, 44, 55);
617
ASSERT (strcmp (result, "0x1.829p+0 33") == 0
618
|| strcmp (result, "0x3.052p-1 33") == 0
619
|| strcmp (result, "0x6.0a4p-2 33") == 0
620
|| strcmp (result, "0xc.148p-3 33") == 0);
621
ASSERT (retval == strlen (result));
624
{ /* Rounding can turn a ...FFF into a ...000. */
627
my_snprintf (result, sizeof (result), "%.3La %d", 1.49999L, 33, 44, 55);
628
ASSERT (strcmp (result, "0x1.800p+0 33") == 0
629
|| strcmp (result, "0x3.000p-1 33") == 0
630
|| strcmp (result, "0x6.000p-2 33") == 0
631
|| strcmp (result, "0xc.000p-3 33") == 0);
632
ASSERT (retval == strlen (result));
635
{ /* Rounding can turn a ...FFF into a ...000.
636
This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
637
glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
640
my_snprintf (result, sizeof (result), "%.1La %d", 1.999L, 33, 44, 55);
641
ASSERT (strcmp (result, "0x1.0p+1 33") == 0
642
|| strcmp (result, "0x2.0p+0 33") == 0
643
|| strcmp (result, "0x4.0p-1 33") == 0
644
|| strcmp (result, "0x8.0p-2 33") == 0);
645
ASSERT (retval == strlen (result));
651
my_snprintf (result, sizeof (result), "%10La %d", 1.75L, 33, 44, 55);
652
ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
653
|| strcmp (result, " 0x3.8p-1 33") == 0
654
|| strcmp (result, " 0x7p-2 33") == 0
655
|| strcmp (result, " 0xep-3 33") == 0);
656
ASSERT (retval == strlen (result));
659
{ /* Small precision. */
662
my_snprintf (result, sizeof (result), "%.10La %d", 1.75L, 33, 44, 55);
663
ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
664
|| strcmp (result, "0x3.8000000000p-1 33") == 0
665
|| strcmp (result, "0x7.0000000000p-2 33") == 0
666
|| strcmp (result, "0xe.0000000000p-3 33") == 0);
667
ASSERT (retval == strlen (result));
670
{ /* Large precision. */
673
my_snprintf (result, sizeof (result), "%.50La %d", 1.75L, 33, 44, 55);
674
ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
675
|| strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
676
|| strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
677
|| strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
678
ASSERT (retval == strlen (result));
684
my_snprintf (result, sizeof (result), "%-10La %d", 1.75L, 33, 44, 55);
685
ASSERT (strcmp (result, "0x1.cp+0 33") == 0
686
|| strcmp (result, "0x3.8p-1 33") == 0
687
|| strcmp (result, "0x7p-2 33") == 0
688
|| strcmp (result, "0xep-3 33") == 0);
689
ASSERT (retval == strlen (result));
692
{ /* FLAG_SHOWSIGN. */
695
my_snprintf (result, sizeof (result), "%+La %d", 1.75L, 33, 44, 55);
696
ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
697
|| strcmp (result, "+0x3.8p-1 33") == 0
698
|| strcmp (result, "+0x7p-2 33") == 0
699
|| strcmp (result, "+0xep-3 33") == 0);
700
ASSERT (retval == strlen (result));
706
my_snprintf (result, sizeof (result), "% La %d", 1.75L, 33, 44, 55);
707
ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
708
|| strcmp (result, " 0x3.8p-1 33") == 0
709
|| strcmp (result, " 0x7p-2 33") == 0
710
|| strcmp (result, " 0xep-3 33") == 0);
711
ASSERT (retval == strlen (result));
717
my_snprintf (result, sizeof (result), "%#La %d", 1.75L, 33, 44, 55);
718
ASSERT (strcmp (result, "0x1.cp+0 33") == 0
719
|| strcmp (result, "0x3.8p-1 33") == 0
720
|| strcmp (result, "0x7.p-2 33") == 0
721
|| strcmp (result, "0xe.p-3 33") == 0);
722
ASSERT (retval == strlen (result));
728
my_snprintf (result, sizeof (result), "%#La %d", 1.0L, 33, 44, 55);
729
ASSERT (strcmp (result, "0x1.p+0 33") == 0
730
|| strcmp (result, "0x2.p-1 33") == 0
731
|| strcmp (result, "0x4.p-2 33") == 0
732
|| strcmp (result, "0x8.p-3 33") == 0);
733
ASSERT (retval == strlen (result));
736
{ /* FLAG_ZERO with finite number. */
739
my_snprintf (result, sizeof (result), "%010La %d", 1.75L, 33, 44, 55);
740
ASSERT (strcmp (result, "0x001.cp+0 33") == 0
741
|| strcmp (result, "0x003.8p-1 33") == 0
742
|| strcmp (result, "0x00007p-2 33") == 0
743
|| strcmp (result, "0x0000ep-3 33") == 0);
744
ASSERT (retval == strlen (result));
747
{ /* FLAG_ZERO with infinite number. */
750
my_snprintf (result, sizeof (result), "%010La %d", 1.0L / 0.0L, 33, 44, 55);
751
/* "0000000inf 33" is not a valid result; see
752
<http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
753
ASSERT (strcmp (result, " inf 33") == 0);
754
ASSERT (retval == strlen (result));
757
{ /* FLAG_ZERO with NaN. */
760
my_snprintf (result, sizeof (result), "%050La %d", 0.0L / 0.0L, 33, 44, 55);
761
/* "0000000nan 33" is not a valid result; see
762
<http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
763
ASSERT (strlen (result) == 50 + 3
764
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
765
&& strcmp (result + strlen (result) - 3, " 33") == 0);
766
ASSERT (retval == strlen (result));
769
/* Test the support of the %f format directive. */
771
{ /* A positive number. */
774
my_snprintf (result, sizeof (result), "%f %d", 12.75, 33, 44, 55);
775
ASSERT (strcmp (result, "12.750000 33") == 0);
776
ASSERT (retval == strlen (result));
779
{ /* A larger positive number. */
782
my_snprintf (result, sizeof (result), "%f %d", 1234567.0, 33, 44, 55);
783
ASSERT (strcmp (result, "1234567.000000 33") == 0);
784
ASSERT (retval == strlen (result));
787
{ /* Small and large positive numbers. */
788
static struct { double value; const char *string; } data[] =
790
{ 1.234321234321234e-37, "0.000000" },
791
{ 1.234321234321234e-36, "0.000000" },
792
{ 1.234321234321234e-35, "0.000000" },
793
{ 1.234321234321234e-34, "0.000000" },
794
{ 1.234321234321234e-33, "0.000000" },
795
{ 1.234321234321234e-32, "0.000000" },
796
{ 1.234321234321234e-31, "0.000000" },
797
{ 1.234321234321234e-30, "0.000000" },
798
{ 1.234321234321234e-29, "0.000000" },
799
{ 1.234321234321234e-28, "0.000000" },
800
{ 1.234321234321234e-27, "0.000000" },
801
{ 1.234321234321234e-26, "0.000000" },
802
{ 1.234321234321234e-25, "0.000000" },
803
{ 1.234321234321234e-24, "0.000000" },
804
{ 1.234321234321234e-23, "0.000000" },
805
{ 1.234321234321234e-22, "0.000000" },
806
{ 1.234321234321234e-21, "0.000000" },
807
{ 1.234321234321234e-20, "0.000000" },
808
{ 1.234321234321234e-19, "0.000000" },
809
{ 1.234321234321234e-18, "0.000000" },
810
{ 1.234321234321234e-17, "0.000000" },
811
{ 1.234321234321234e-16, "0.000000" },
812
{ 1.234321234321234e-15, "0.000000" },
813
{ 1.234321234321234e-14, "0.000000" },
814
{ 1.234321234321234e-13, "0.000000" },
815
{ 1.234321234321234e-12, "0.000000" },
816
{ 1.234321234321234e-11, "0.000000" },
817
{ 1.234321234321234e-10, "0.000000" },
818
{ 1.234321234321234e-9, "0.000000" },
819
{ 1.234321234321234e-8, "0.000000" },
820
{ 1.234321234321234e-7, "0.000000" },
821
{ 1.234321234321234e-6, "0.000001" },
822
{ 1.234321234321234e-5, "0.000012" },
823
{ 1.234321234321234e-4, "0.000123" },
824
{ 1.234321234321234e-3, "0.001234" },
825
{ 1.234321234321234e-2, "0.012343" },
826
{ 1.234321234321234e-1, "0.123432" },
827
{ 1.234321234321234, "1.234321" },
828
{ 1.234321234321234e1, "12.343212" },
829
{ 1.234321234321234e2, "123.432123" },
830
{ 1.234321234321234e3, "1234.321234" },
831
{ 1.234321234321234e4, "12343.212343" },
832
{ 1.234321234321234e5, "123432.123432" },
833
{ 1.234321234321234e6, "1234321.234321" },
834
{ 1.234321234321234e7, "12343212.343212" },
835
{ 1.234321234321234e8, "123432123.432123" },
836
{ 1.234321234321234e9, "1234321234.321234" },
837
{ 1.234321234321234e10, "12343212343.2123**" },
838
{ 1.234321234321234e11, "123432123432.123***" },
839
{ 1.234321234321234e12, "1234321234321.23****" },
840
{ 1.234321234321234e13, "12343212343212.3*****" },
841
{ 1.234321234321234e14, "123432123432123.******" },
842
{ 1.234321234321234e15, "1234321234321234.000000" },
843
{ 1.234321234321234e16, "123432123432123**.000000" },
844
{ 1.234321234321234e17, "123432123432123***.000000" },
845
{ 1.234321234321234e18, "123432123432123****.000000" },
846
{ 1.234321234321234e19, "123432123432123*****.000000" },
847
{ 1.234321234321234e20, "123432123432123******.000000" },
848
{ 1.234321234321234e21, "123432123432123*******.000000" },
849
{ 1.234321234321234e22, "123432123432123********.000000" },
850
{ 1.234321234321234e23, "123432123432123*********.000000" },
851
{ 1.234321234321234e24, "123432123432123**********.000000" },
852
{ 1.234321234321234e25, "123432123432123***********.000000" },
853
{ 1.234321234321234e26, "123432123432123************.000000" },
854
{ 1.234321234321234e27, "123432123432123*************.000000" },
855
{ 1.234321234321234e28, "123432123432123**************.000000" },
856
{ 1.234321234321234e29, "123432123432123***************.000000" },
857
{ 1.234321234321234e30, "123432123432123****************.000000" },
858
{ 1.234321234321234e31, "123432123432123*****************.000000" },
859
{ 1.234321234321234e32, "123432123432123******************.000000" },
860
{ 1.234321234321234e33, "123432123432123*******************.000000" },
861
{ 1.234321234321234e34, "123432123432123********************.000000" },
862
{ 1.234321234321234e35, "123432123432123*********************.000000" },
863
{ 1.234321234321234e36, "123432123432123**********************.000000" }
866
for (k = 0; k < SIZEOF (data); k++)
870
my_snprintf (result, sizeof (result), "%f", data[k].value);
871
ASSERT (strmatch (data[k].string, result));
872
ASSERT (retval == strlen (result));
876
{ /* A negative number. */
879
my_snprintf (result, sizeof (result), "%f %d", -0.03125, 33, 44, 55);
880
ASSERT (strcmp (result, "-0.031250 33") == 0);
881
ASSERT (retval == strlen (result));
884
{ /* Positive zero. */
887
my_snprintf (result, sizeof (result), "%f %d", 0.0, 33, 44, 55);
888
ASSERT (strcmp (result, "0.000000 33") == 0);
889
ASSERT (retval == strlen (result));
892
{ /* Negative zero. */
895
my_snprintf (result, sizeof (result), "%f %d", -0.0, 33, 44, 55);
896
if (have_minus_zero ())
897
ASSERT (strcmp (result, "-0.000000 33") == 0);
898
ASSERT (retval == strlen (result));
901
{ /* Positive infinity. */
904
my_snprintf (result, sizeof (result), "%f %d", 1.0 / 0.0, 33, 44, 55);
905
ASSERT (strcmp (result, "inf 33") == 0
906
|| strcmp (result, "infinity 33") == 0);
907
ASSERT (retval == strlen (result));
910
{ /* Negative infinity. */
913
my_snprintf (result, sizeof (result), "%f %d", -1.0 / 0.0, 33, 44, 55);
914
ASSERT (strcmp (result, "-inf 33") == 0
915
|| strcmp (result, "-infinity 33") == 0);
916
ASSERT (retval == strlen (result));
922
my_snprintf (result, sizeof (result), "%f %d", NaN (), 33, 44, 55);
923
ASSERT (strlen (result) >= 3 + 3
924
&& strisnan (result, 0, strlen (result) - 3, 0)
925
&& strcmp (result + strlen (result) - 3, " 33") == 0);
926
ASSERT (retval == strlen (result));
932
my_snprintf (result, sizeof (result), "%10f %d", 1.75, 33, 44, 55);
933
ASSERT (result != NULL);
934
ASSERT (strcmp (result, " 1.750000 33") == 0);
935
ASSERT (retval == strlen (result));
941
my_snprintf (result, sizeof (result), "%-10f %d", 1.75, 33, 44, 55);
942
ASSERT (result != NULL);
943
ASSERT (strcmp (result, "1.750000 33") == 0);
944
ASSERT (retval == strlen (result));
947
{ /* FLAG_SHOWSIGN. */
950
my_snprintf (result, sizeof (result), "%+f %d", 1.75, 33, 44, 55);
951
ASSERT (result != NULL);
952
ASSERT (strcmp (result, "+1.750000 33") == 0);
953
ASSERT (retval == strlen (result));
959
my_snprintf (result, sizeof (result), "% f %d", 1.75, 33, 44, 55);
960
ASSERT (result != NULL);
961
ASSERT (strcmp (result, " 1.750000 33") == 0);
962
ASSERT (retval == strlen (result));
968
my_snprintf (result, sizeof (result), "%#f %d", 1.75, 33, 44, 55);
969
ASSERT (result != NULL);
970
ASSERT (strcmp (result, "1.750000 33") == 0);
971
ASSERT (retval == strlen (result));
977
my_snprintf (result, sizeof (result), "%#.f %d", 1.75, 33, 44, 55);
978
ASSERT (result != NULL);
979
ASSERT (strcmp (result, "2. 33") == 0);
980
ASSERT (retval == strlen (result));
983
{ /* FLAG_ZERO with finite number. */
986
my_snprintf (result, sizeof (result), "%015f %d", 1234.0, 33, 44, 55);
987
ASSERT (strcmp (result, "00001234.000000 33") == 0);
988
ASSERT (retval == strlen (result));
991
{ /* FLAG_ZERO with infinite number. */
994
my_snprintf (result, sizeof (result), "%015f %d", -1.0 / 0.0, 33, 44, 55);
995
ASSERT (strcmp (result, " -inf 33") == 0
996
|| strcmp (result, " -infinity 33") == 0);
997
ASSERT (retval == strlen (result));
1000
{ /* FLAG_ZERO with NaN. */
1003
my_snprintf (result, sizeof (result), "%050f %d", NaN (), 33, 44, 55);
1004
ASSERT (strlen (result) == 50 + 3
1005
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1006
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1007
ASSERT (retval == strlen (result));
1013
my_snprintf (result, sizeof (result), "%.f %d", 1234.0, 33, 44, 55);
1014
ASSERT (strcmp (result, "1234 33") == 0);
1015
ASSERT (retval == strlen (result));
1018
{ /* A positive number. */
1021
my_snprintf (result, sizeof (result), "%Lf %d", 12.75L, 33, 44, 55);
1022
ASSERT (strcmp (result, "12.750000 33") == 0);
1023
ASSERT (retval == strlen (result));
1026
{ /* A larger positive number. */
1029
my_snprintf (result, sizeof (result), "%Lf %d", 1234567.0L, 33, 44, 55);
1030
ASSERT (strcmp (result, "1234567.000000 33") == 0);
1031
ASSERT (retval == strlen (result));
1034
{ /* Small and large positive numbers. */
1035
static struct { long double value; const char *string; } data[] =
1037
{ 1.234321234321234e-37L, "0.000000" },
1038
{ 1.234321234321234e-36L, "0.000000" },
1039
{ 1.234321234321234e-35L, "0.000000" },
1040
{ 1.234321234321234e-34L, "0.000000" },
1041
{ 1.234321234321234e-33L, "0.000000" },
1042
{ 1.234321234321234e-32L, "0.000000" },
1043
{ 1.234321234321234e-31L, "0.000000" },
1044
{ 1.234321234321234e-30L, "0.000000" },
1045
{ 1.234321234321234e-29L, "0.000000" },
1046
{ 1.234321234321234e-28L, "0.000000" },
1047
{ 1.234321234321234e-27L, "0.000000" },
1048
{ 1.234321234321234e-26L, "0.000000" },
1049
{ 1.234321234321234e-25L, "0.000000" },
1050
{ 1.234321234321234e-24L, "0.000000" },
1051
{ 1.234321234321234e-23L, "0.000000" },
1052
{ 1.234321234321234e-22L, "0.000000" },
1053
{ 1.234321234321234e-21L, "0.000000" },
1054
{ 1.234321234321234e-20L, "0.000000" },
1055
{ 1.234321234321234e-19L, "0.000000" },
1056
{ 1.234321234321234e-18L, "0.000000" },
1057
{ 1.234321234321234e-17L, "0.000000" },
1058
{ 1.234321234321234e-16L, "0.000000" },
1059
{ 1.234321234321234e-15L, "0.000000" },
1060
{ 1.234321234321234e-14L, "0.000000" },
1061
{ 1.234321234321234e-13L, "0.000000" },
1062
{ 1.234321234321234e-12L, "0.000000" },
1063
{ 1.234321234321234e-11L, "0.000000" },
1064
{ 1.234321234321234e-10L, "0.000000" },
1065
{ 1.234321234321234e-9L, "0.000000" },
1066
{ 1.234321234321234e-8L, "0.000000" },
1067
{ 1.234321234321234e-7L, "0.000000" },
1068
{ 1.234321234321234e-6L, "0.000001" },
1069
{ 1.234321234321234e-5L, "0.000012" },
1070
{ 1.234321234321234e-4L, "0.000123" },
1071
{ 1.234321234321234e-3L, "0.001234" },
1072
{ 1.234321234321234e-2L, "0.012343" },
1073
{ 1.234321234321234e-1L, "0.123432" },
1074
{ 1.234321234321234L, "1.234321" },
1075
{ 1.234321234321234e1L, "12.343212" },
1076
{ 1.234321234321234e2L, "123.432123" },
1077
{ 1.234321234321234e3L, "1234.321234" },
1078
{ 1.234321234321234e4L, "12343.212343" },
1079
{ 1.234321234321234e5L, "123432.123432" },
1080
{ 1.234321234321234e6L, "1234321.234321" },
1081
{ 1.234321234321234e7L, "12343212.343212" },
1082
{ 1.234321234321234e8L, "123432123.432123" },
1083
{ 1.234321234321234e9L, "1234321234.321234" },
1084
{ 1.234321234321234e10L, "12343212343.2123**" },
1085
{ 1.234321234321234e11L, "123432123432.123***" },
1086
{ 1.234321234321234e12L, "1234321234321.23****" },
1087
{ 1.234321234321234e13L, "12343212343212.3*****" },
1088
{ 1.234321234321234e14L, "123432123432123.******" },
1089
{ 1.234321234321234e15L, "1234321234321234.000000" },
1090
{ 1.234321234321234e16L, "123432123432123**.000000" },
1091
{ 1.234321234321234e17L, "123432123432123***.000000" },
1092
{ 1.234321234321234e18L, "123432123432123****.000000" },
1093
{ 1.234321234321234e19L, "123432123432123*****.000000" },
1094
{ 1.234321234321234e20L, "123432123432123******.000000" },
1095
{ 1.234321234321234e21L, "123432123432123*******.000000" },
1096
{ 1.234321234321234e22L, "123432123432123********.000000" },
1097
{ 1.234321234321234e23L, "123432123432123*********.000000" },
1098
{ 1.234321234321234e24L, "123432123432123**********.000000" },
1099
{ 1.234321234321234e25L, "123432123432123***********.000000" },
1100
{ 1.234321234321234e26L, "123432123432123************.000000" },
1101
{ 1.234321234321234e27L, "123432123432123*************.000000" },
1102
{ 1.234321234321234e28L, "123432123432123**************.000000" },
1103
{ 1.234321234321234e29L, "123432123432123***************.000000" },
1104
{ 1.234321234321234e30L, "123432123432123****************.000000" },
1105
{ 1.234321234321234e31L, "123432123432123*****************.000000" },
1106
{ 1.234321234321234e32L, "123432123432123******************.000000" },
1107
{ 1.234321234321234e33L, "123432123432123*******************.000000" },
1108
{ 1.234321234321234e34L, "123432123432123********************.000000" },
1109
{ 1.234321234321234e35L, "123432123432123*********************.000000" },
1110
{ 1.234321234321234e36L, "123432123432123**********************.000000" }
1113
for (k = 0; k < SIZEOF (data); k++)
1117
my_snprintf (result, sizeof (result), "%Lf", data[k].value);
1118
ASSERT (strmatch (data[k].string, result));
1119
ASSERT (retval == strlen (result));
1123
{ /* A negative number. */
1126
my_snprintf (result, sizeof (result), "%Lf %d", -0.03125L, 33, 44, 55);
1127
ASSERT (strcmp (result, "-0.031250 33") == 0);
1128
ASSERT (retval == strlen (result));
1131
{ /* Positive zero. */
1134
my_snprintf (result, sizeof (result), "%Lf %d", 0.0L, 33, 44, 55);
1135
ASSERT (strcmp (result, "0.000000 33") == 0);
1136
ASSERT (retval == strlen (result));
1139
{ /* Negative zero. */
1142
my_snprintf (result, sizeof (result), "%Lf %d", -0.0L, 33, 44, 55);
1143
if (have_minus_zero ())
1144
ASSERT (strcmp (result, "-0.000000 33") == 0);
1145
ASSERT (retval == strlen (result));
1148
{ /* Positive infinity. */
1151
my_snprintf (result, sizeof (result), "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1152
ASSERT (strcmp (result, "inf 33") == 0
1153
|| strcmp (result, "infinity 33") == 0);
1154
ASSERT (retval == strlen (result));
1157
{ /* Negative infinity. */
1160
my_snprintf (result, sizeof (result), "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1161
ASSERT (strcmp (result, "-inf 33") == 0
1162
|| strcmp (result, "-infinity 33") == 0);
1163
ASSERT (retval == strlen (result));
1167
static long double zero = 0.0L;
1170
my_snprintf (result, sizeof (result), "%Lf %d", zero / zero, 33, 44, 55);
1171
ASSERT (strlen (result) >= 3 + 3
1172
&& strisnan (result, 0, strlen (result) - 3, 0)
1173
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1174
ASSERT (retval == strlen (result));
1176
#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
1178
static union { unsigned int word[4]; long double value; } x =
1179
{ LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1182
my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1183
ASSERT (strlen (result) >= 3 + 3
1184
&& strisnan (result, 0, strlen (result) - 3, 0)
1185
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1186
ASSERT (retval == strlen (result));
1189
/* Signalling NaN. */
1190
static union { unsigned int word[4]; long double value; } x =
1191
{ LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1194
my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1195
ASSERT (strlen (result) >= 3 + 3
1196
&& strisnan (result, 0, strlen (result) - 3, 0)
1197
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1198
ASSERT (retval == strlen (result));
1200
/* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1201
Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1202
Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1203
Application Architecture.
1204
Table 5-2 "Floating-Point Register Encodings"
1205
Figure 5-6 "Memory to Floating-Point Register Data Translation"
1208
static union { unsigned int word[4]; long double value; } x =
1209
{ LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1212
my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1213
ASSERT (strlen (result) >= 3 + 3
1214
&& strisnan (result, 0, strlen (result) - 3, 0)
1215
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1216
ASSERT (retval == strlen (result));
1218
{ /* Pseudo-Infinity. */
1219
static union { unsigned int word[4]; long double value; } x =
1220
{ LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1223
my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1224
ASSERT (strlen (result) >= 3 + 3
1225
&& strisnan (result, 0, strlen (result) - 3, 0)
1226
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1227
ASSERT (retval == strlen (result));
1229
{ /* Pseudo-Zero. */
1230
static union { unsigned int word[4]; long double value; } x =
1231
{ LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1234
my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1235
ASSERT (strlen (result) >= 3 + 3
1236
&& strisnan (result, 0, strlen (result) - 3, 0)
1237
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1238
ASSERT (retval == strlen (result));
1240
{ /* Unnormalized number. */
1241
static union { unsigned int word[4]; long double value; } x =
1242
{ LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1245
my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1246
ASSERT (strlen (result) >= 3 + 3
1247
&& strisnan (result, 0, strlen (result) - 3, 0)
1248
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1249
ASSERT (retval == strlen (result));
1251
{ /* Pseudo-Denormal. */
1252
static union { unsigned int word[4]; long double value; } x =
1253
{ LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1256
my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1257
ASSERT (strlen (result) >= 3 + 3
1258
&& strisnan (result, 0, strlen (result) - 3, 0)
1259
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1260
ASSERT (retval == strlen (result));
1267
my_snprintf (result, sizeof (result), "%10Lf %d", 1.75L, 33, 44, 55);
1268
ASSERT (result != NULL);
1269
ASSERT (strcmp (result, " 1.750000 33") == 0);
1270
ASSERT (retval == strlen (result));
1276
my_snprintf (result, sizeof (result), "%-10Lf %d", 1.75L, 33, 44, 55);
1277
ASSERT (result != NULL);
1278
ASSERT (strcmp (result, "1.750000 33") == 0);
1279
ASSERT (retval == strlen (result));
1282
{ /* FLAG_SHOWSIGN. */
1285
my_snprintf (result, sizeof (result), "%+Lf %d", 1.75L, 33, 44, 55);
1286
ASSERT (result != NULL);
1287
ASSERT (strcmp (result, "+1.750000 33") == 0);
1288
ASSERT (retval == strlen (result));
1294
my_snprintf (result, sizeof (result), "% Lf %d", 1.75L, 33, 44, 55);
1295
ASSERT (result != NULL);
1296
ASSERT (strcmp (result, " 1.750000 33") == 0);
1297
ASSERT (retval == strlen (result));
1303
my_snprintf (result, sizeof (result), "%#Lf %d", 1.75L, 33, 44, 55);
1304
ASSERT (result != NULL);
1305
ASSERT (strcmp (result, "1.750000 33") == 0);
1306
ASSERT (retval == strlen (result));
1312
my_snprintf (result, sizeof (result), "%#.Lf %d", 1.75L, 33, 44, 55);
1313
ASSERT (result != NULL);
1314
ASSERT (strcmp (result, "2. 33") == 0);
1315
ASSERT (retval == strlen (result));
1318
{ /* FLAG_ZERO with finite number. */
1321
my_snprintf (result, sizeof (result), "%015Lf %d", 1234.0L, 33, 44, 55);
1322
ASSERT (strcmp (result, "00001234.000000 33") == 0);
1323
ASSERT (retval == strlen (result));
1326
{ /* FLAG_ZERO with infinite number. */
1329
my_snprintf (result, sizeof (result), "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1330
ASSERT (strcmp (result, " -inf 33") == 0
1331
|| strcmp (result, " -infinity 33") == 0);
1332
ASSERT (retval == strlen (result));
1335
{ /* FLAG_ZERO with NaN. */
1336
static long double zero = 0.0L;
1339
my_snprintf (result, sizeof (result), "%050Lf %d", zero / zero, 33, 44, 55);
1340
ASSERT (strlen (result) == 50 + 3
1341
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1342
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1343
ASSERT (retval == strlen (result));
1349
my_snprintf (result, sizeof (result), "%.Lf %d", 1234.0L, 33, 44, 55);
1350
ASSERT (strcmp (result, "1234 33") == 0);
1351
ASSERT (retval == strlen (result));
1354
/* Test the support of the %F format directive. */
1356
{ /* A positive number. */
1359
my_snprintf (result, sizeof (result), "%F %d", 12.75, 33, 44, 55);
1360
ASSERT (strcmp (result, "12.750000 33") == 0);
1361
ASSERT (retval == strlen (result));
1364
{ /* A larger positive number. */
1367
my_snprintf (result, sizeof (result), "%F %d", 1234567.0, 33, 44, 55);
1368
ASSERT (strcmp (result, "1234567.000000 33") == 0);
1369
ASSERT (retval == strlen (result));
1372
{ /* A negative number. */
1375
my_snprintf (result, sizeof (result), "%F %d", -0.03125, 33, 44, 55);
1376
ASSERT (strcmp (result, "-0.031250 33") == 0);
1377
ASSERT (retval == strlen (result));
1380
{ /* Positive zero. */
1383
my_snprintf (result, sizeof (result), "%F %d", 0.0, 33, 44, 55);
1384
ASSERT (strcmp (result, "0.000000 33") == 0);
1385
ASSERT (retval == strlen (result));
1388
{ /* Negative zero. */
1391
my_snprintf (result, sizeof (result), "%F %d", -0.0, 33, 44, 55);
1392
if (have_minus_zero ())
1393
ASSERT (strcmp (result, "-0.000000 33") == 0);
1394
ASSERT (retval == strlen (result));
1397
{ /* Positive infinity. */
1400
my_snprintf (result, sizeof (result), "%F %d", 1.0 / 0.0, 33, 44, 55);
1401
ASSERT (strcmp (result, "INF 33") == 0
1402
|| strcmp (result, "INFINITY 33") == 0);
1403
ASSERT (retval == strlen (result));
1406
{ /* Negative infinity. */
1409
my_snprintf (result, sizeof (result), "%F %d", -1.0 / 0.0, 33, 44, 55);
1410
ASSERT (strcmp (result, "-INF 33") == 0
1411
|| strcmp (result, "-INFINITY 33") == 0);
1412
ASSERT (retval == strlen (result));
1418
my_snprintf (result, sizeof (result), "%F %d", NaN (), 33, 44, 55);
1419
ASSERT (strlen (result) >= 3 + 3
1420
&& strisnan (result, 0, strlen (result) - 3, 1)
1421
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1422
ASSERT (retval == strlen (result));
1428
my_snprintf (result, sizeof (result), "%015F %d", 1234.0, 33, 44, 55);
1429
ASSERT (strcmp (result, "00001234.000000 33") == 0);
1430
ASSERT (retval == strlen (result));
1433
{ /* FLAG_ZERO with infinite number. */
1436
my_snprintf (result, sizeof (result), "%015F %d", -1.0 / 0.0, 33, 44, 55);
1437
ASSERT (strcmp (result, " -INF 33") == 0
1438
|| strcmp (result, " -INFINITY 33") == 0);
1439
ASSERT (retval == strlen (result));
1445
my_snprintf (result, sizeof (result), "%.F %d", 1234.0, 33, 44, 55);
1446
ASSERT (strcmp (result, "1234 33") == 0);
1447
ASSERT (retval == strlen (result));
1450
{ /* A positive number. */
1453
my_snprintf (result, sizeof (result), "%LF %d", 12.75L, 33, 44, 55);
1454
ASSERT (strcmp (result, "12.750000 33") == 0);
1455
ASSERT (retval == strlen (result));
1458
{ /* A larger positive number. */
1461
my_snprintf (result, sizeof (result), "%LF %d", 1234567.0L, 33, 44, 55);
1462
ASSERT (strcmp (result, "1234567.000000 33") == 0);
1463
ASSERT (retval == strlen (result));
1466
{ /* A negative number. */
1469
my_snprintf (result, sizeof (result), "%LF %d", -0.03125L, 33, 44, 55);
1470
ASSERT (strcmp (result, "-0.031250 33") == 0);
1471
ASSERT (retval == strlen (result));
1474
{ /* Positive zero. */
1477
my_snprintf (result, sizeof (result), "%LF %d", 0.0L, 33, 44, 55);
1478
ASSERT (strcmp (result, "0.000000 33") == 0);
1479
ASSERT (retval == strlen (result));
1482
{ /* Negative zero. */
1485
my_snprintf (result, sizeof (result), "%LF %d", -0.0L, 33, 44, 55);
1486
if (have_minus_zero ())
1487
ASSERT (strcmp (result, "-0.000000 33") == 0);
1488
ASSERT (retval == strlen (result));
1491
{ /* Positive infinity. */
1494
my_snprintf (result, sizeof (result), "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1495
ASSERT (strcmp (result, "INF 33") == 0
1496
|| strcmp (result, "INFINITY 33") == 0);
1497
ASSERT (retval == strlen (result));
1500
{ /* Negative infinity. */
1503
my_snprintf (result, sizeof (result), "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1504
ASSERT (strcmp (result, "-INF 33") == 0
1505
|| strcmp (result, "-INFINITY 33") == 0);
1506
ASSERT (retval == strlen (result));
1510
static long double zero = 0.0L;
1513
my_snprintf (result, sizeof (result), "%LF %d", zero / zero, 33, 44, 55);
1514
ASSERT (strlen (result) >= 3 + 3
1515
&& strisnan (result, 0, strlen (result) - 3, 1)
1516
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1517
ASSERT (retval == strlen (result));
1523
my_snprintf (result, sizeof (result), "%015LF %d", 1234.0L, 33, 44, 55);
1524
ASSERT (strcmp (result, "00001234.000000 33") == 0);
1525
ASSERT (retval == strlen (result));
1528
{ /* FLAG_ZERO with infinite number. */
1531
my_snprintf (result, sizeof (result), "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1532
ASSERT (strcmp (result, " -INF 33") == 0
1533
|| strcmp (result, " -INFINITY 33") == 0);
1534
ASSERT (retval == strlen (result));
1540
my_snprintf (result, sizeof (result), "%.LF %d", 1234.0L, 33, 44, 55);
1541
ASSERT (strcmp (result, "1234 33") == 0);
1542
ASSERT (retval == strlen (result));
1545
/* Test the support of the %e format directive. */
1547
{ /* A positive number. */
1550
my_snprintf (result, sizeof (result), "%e %d", 12.75, 33, 44, 55);
1551
ASSERT (strcmp (result, "1.275000e+01 33") == 0
1552
|| strcmp (result, "1.275000e+001 33") == 0);
1553
ASSERT (retval == strlen (result));
1556
{ /* A larger positive number. */
1559
my_snprintf (result, sizeof (result), "%e %d", 1234567.0, 33, 44, 55);
1560
ASSERT (strcmp (result, "1.234567e+06 33") == 0
1561
|| strcmp (result, "1.234567e+006 33") == 0);
1562
ASSERT (retval == strlen (result));
1565
{ /* Small and large positive numbers. */
1566
static struct { double value; const char *string; } data[] =
1568
{ 1.234321234321234e-37, "1.234321e-37" },
1569
{ 1.234321234321234e-36, "1.234321e-36" },
1570
{ 1.234321234321234e-35, "1.234321e-35" },
1571
{ 1.234321234321234e-34, "1.234321e-34" },
1572
{ 1.234321234321234e-33, "1.234321e-33" },
1573
{ 1.234321234321234e-32, "1.234321e-32" },
1574
{ 1.234321234321234e-31, "1.234321e-31" },
1575
{ 1.234321234321234e-30, "1.234321e-30" },
1576
{ 1.234321234321234e-29, "1.234321e-29" },
1577
{ 1.234321234321234e-28, "1.234321e-28" },
1578
{ 1.234321234321234e-27, "1.234321e-27" },
1579
{ 1.234321234321234e-26, "1.234321e-26" },
1580
{ 1.234321234321234e-25, "1.234321e-25" },
1581
{ 1.234321234321234e-24, "1.234321e-24" },
1582
{ 1.234321234321234e-23, "1.234321e-23" },
1583
{ 1.234321234321234e-22, "1.234321e-22" },
1584
{ 1.234321234321234e-21, "1.234321e-21" },
1585
{ 1.234321234321234e-20, "1.234321e-20" },
1586
{ 1.234321234321234e-19, "1.234321e-19" },
1587
{ 1.234321234321234e-18, "1.234321e-18" },
1588
{ 1.234321234321234e-17, "1.234321e-17" },
1589
{ 1.234321234321234e-16, "1.234321e-16" },
1590
{ 1.234321234321234e-15, "1.234321e-15" },
1591
{ 1.234321234321234e-14, "1.234321e-14" },
1592
{ 1.234321234321234e-13, "1.234321e-13" },
1593
{ 1.234321234321234e-12, "1.234321e-12" },
1594
{ 1.234321234321234e-11, "1.234321e-11" },
1595
{ 1.234321234321234e-10, "1.234321e-10" },
1596
{ 1.234321234321234e-9, "1.234321e-09" },
1597
{ 1.234321234321234e-8, "1.234321e-08" },
1598
{ 1.234321234321234e-7, "1.234321e-07" },
1599
{ 1.234321234321234e-6, "1.234321e-06" },
1600
{ 1.234321234321234e-5, "1.234321e-05" },
1601
{ 1.234321234321234e-4, "1.234321e-04" },
1602
{ 1.234321234321234e-3, "1.234321e-03" },
1603
{ 1.234321234321234e-2, "1.234321e-02" },
1604
{ 1.234321234321234e-1, "1.234321e-01" },
1605
{ 1.234321234321234, "1.234321e+00" },
1606
{ 1.234321234321234e1, "1.234321e+01" },
1607
{ 1.234321234321234e2, "1.234321e+02" },
1608
{ 1.234321234321234e3, "1.234321e+03" },
1609
{ 1.234321234321234e4, "1.234321e+04" },
1610
{ 1.234321234321234e5, "1.234321e+05" },
1611
{ 1.234321234321234e6, "1.234321e+06" },
1612
{ 1.234321234321234e7, "1.234321e+07" },
1613
{ 1.234321234321234e8, "1.234321e+08" },
1614
{ 1.234321234321234e9, "1.234321e+09" },
1615
{ 1.234321234321234e10, "1.234321e+10" },
1616
{ 1.234321234321234e11, "1.234321e+11" },
1617
{ 1.234321234321234e12, "1.234321e+12" },
1618
{ 1.234321234321234e13, "1.234321e+13" },
1619
{ 1.234321234321234e14, "1.234321e+14" },
1620
{ 1.234321234321234e15, "1.234321e+15" },
1621
{ 1.234321234321234e16, "1.234321e+16" },
1622
{ 1.234321234321234e17, "1.234321e+17" },
1623
{ 1.234321234321234e18, "1.234321e+18" },
1624
{ 1.234321234321234e19, "1.234321e+19" },
1625
{ 1.234321234321234e20, "1.234321e+20" },
1626
{ 1.234321234321234e21, "1.234321e+21" },
1627
{ 1.234321234321234e22, "1.234321e+22" },
1628
{ 1.234321234321234e23, "1.234321e+23" },
1629
{ 1.234321234321234e24, "1.234321e+24" },
1630
{ 1.234321234321234e25, "1.234321e+25" },
1631
{ 1.234321234321234e26, "1.234321e+26" },
1632
{ 1.234321234321234e27, "1.234321e+27" },
1633
{ 1.234321234321234e28, "1.234321e+28" },
1634
{ 1.234321234321234e29, "1.234321e+29" },
1635
{ 1.234321234321234e30, "1.234321e+30" },
1636
{ 1.234321234321234e31, "1.234321e+31" },
1637
{ 1.234321234321234e32, "1.234321e+32" },
1638
{ 1.234321234321234e33, "1.234321e+33" },
1639
{ 1.234321234321234e34, "1.234321e+34" },
1640
{ 1.234321234321234e35, "1.234321e+35" },
1641
{ 1.234321234321234e36, "1.234321e+36" }
1644
for (k = 0; k < SIZEOF (data); k++)
1648
my_snprintf (result, sizeof (result), "%e", data[k].value);
1649
const char *expected = data[k].string;
1650
ASSERT (result != NULL);
1651
ASSERT (strcmp (result, expected) == 0
1652
/* Some implementations produce exponents with 3 digits. */
1653
|| (strlen (result) == strlen (expected) + 1
1654
&& memcmp (result, expected, strlen (expected) - 2) == 0
1655
&& result[strlen (expected) - 2] == '0'
1656
&& strcmp (result + strlen (expected) - 1,
1657
expected + strlen (expected) - 2)
1659
ASSERT (retval == strlen (result));
1663
{ /* A negative number. */
1666
my_snprintf (result, sizeof (result), "%e %d", -0.03125, 33, 44, 55);
1667
ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1668
|| strcmp (result, "-3.125000e-002 33") == 0);
1669
ASSERT (retval == strlen (result));
1672
{ /* Positive zero. */
1675
my_snprintf (result, sizeof (result), "%e %d", 0.0, 33, 44, 55);
1676
ASSERT (strcmp (result, "0.000000e+00 33") == 0
1677
|| strcmp (result, "0.000000e+000 33") == 0);
1678
ASSERT (retval == strlen (result));
1681
{ /* Negative zero. */
1684
my_snprintf (result, sizeof (result), "%e %d", -0.0, 33, 44, 55);
1685
if (have_minus_zero ())
1686
ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1687
|| strcmp (result, "-0.000000e+000 33") == 0);
1688
ASSERT (retval == strlen (result));
1691
{ /* Positive infinity. */
1694
my_snprintf (result, sizeof (result), "%e %d", 1.0 / 0.0, 33, 44, 55);
1695
ASSERT (strcmp (result, "inf 33") == 0
1696
|| strcmp (result, "infinity 33") == 0);
1697
ASSERT (retval == strlen (result));
1700
{ /* Negative infinity. */
1703
my_snprintf (result, sizeof (result), "%e %d", -1.0 / 0.0, 33, 44, 55);
1704
ASSERT (strcmp (result, "-inf 33") == 0
1705
|| strcmp (result, "-infinity 33") == 0);
1706
ASSERT (retval == strlen (result));
1712
my_snprintf (result, sizeof (result), "%e %d", NaN (), 33, 44, 55);
1713
ASSERT (strlen (result) >= 3 + 3
1714
&& strisnan (result, 0, strlen (result) - 3, 0)
1715
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1716
ASSERT (retval == strlen (result));
1722
my_snprintf (result, sizeof (result), "%15e %d", 1.75, 33, 44, 55);
1723
ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1724
|| strcmp (result, " 1.750000e+000 33") == 0);
1725
ASSERT (retval == strlen (result));
1731
my_snprintf (result, sizeof (result), "%-15e %d", 1.75, 33, 44, 55);
1732
ASSERT (strcmp (result, "1.750000e+00 33") == 0
1733
|| strcmp (result, "1.750000e+000 33") == 0);
1734
ASSERT (retval == strlen (result));
1737
{ /* FLAG_SHOWSIGN. */
1740
my_snprintf (result, sizeof (result), "%+e %d", 1.75, 33, 44, 55);
1741
ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1742
|| strcmp (result, "+1.750000e+000 33") == 0);
1743
ASSERT (retval == strlen (result));
1749
my_snprintf (result, sizeof (result), "% e %d", 1.75, 33, 44, 55);
1750
ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1751
|| strcmp (result, " 1.750000e+000 33") == 0);
1752
ASSERT (retval == strlen (result));
1758
my_snprintf (result, sizeof (result), "%#e %d", 1.75, 33, 44, 55);
1759
ASSERT (strcmp (result, "1.750000e+00 33") == 0
1760
|| strcmp (result, "1.750000e+000 33") == 0);
1761
ASSERT (retval == strlen (result));
1767
my_snprintf (result, sizeof (result), "%#.e %d", 1.75, 33, 44, 55);
1768
ASSERT (strcmp (result, "2.e+00 33") == 0
1769
|| strcmp (result, "2.e+000 33") == 0);
1770
ASSERT (retval == strlen (result));
1776
my_snprintf (result, sizeof (result), "%#.e %d", 9.75, 33, 44, 55);
1777
ASSERT (strcmp (result, "1.e+01 33") == 0
1778
|| strcmp (result, "1.e+001 33") == 0);
1779
ASSERT (retval == strlen (result));
1782
{ /* FLAG_ZERO with finite number. */
1785
my_snprintf (result, sizeof (result), "%015e %d", 1234.0, 33, 44, 55);
1786
ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1787
|| strcmp (result, "001.234000e+003 33") == 0);
1788
ASSERT (retval == strlen (result));
1791
{ /* FLAG_ZERO with infinite number. */
1794
my_snprintf (result, sizeof (result), "%015e %d", -1.0 / 0.0, 33, 44, 55);
1795
ASSERT (strcmp (result, " -inf 33") == 0
1796
|| strcmp (result, " -infinity 33") == 0);
1797
ASSERT (retval == strlen (result));
1800
{ /* FLAG_ZERO with NaN. */
1803
my_snprintf (result, sizeof (result), "%050e %d", NaN (), 33, 44, 55);
1804
ASSERT (strlen (result) == 50 + 3
1805
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1806
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1807
ASSERT (retval == strlen (result));
1813
my_snprintf (result, sizeof (result), "%.e %d", 1234.0, 33, 44, 55);
1814
ASSERT (strcmp (result, "1e+03 33") == 0
1815
|| strcmp (result, "1e+003 33") == 0);
1816
ASSERT (retval == strlen (result));
1819
{ /* A positive number. */
1822
my_snprintf (result, sizeof (result), "%Le %d", 12.75L, 33, 44, 55);
1823
ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1824
ASSERT (retval == strlen (result));
1827
{ /* A larger positive number. */
1830
my_snprintf (result, sizeof (result), "%Le %d", 1234567.0L, 33, 44, 55);
1831
ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1832
ASSERT (retval == strlen (result));
1835
{ /* Small and large positive numbers. */
1836
static struct { long double value; const char *string; } data[] =
1838
{ 1.234321234321234e-37L, "1.234321e-37" },
1839
{ 1.234321234321234e-36L, "1.234321e-36" },
1840
{ 1.234321234321234e-35L, "1.234321e-35" },
1841
{ 1.234321234321234e-34L, "1.234321e-34" },
1842
{ 1.234321234321234e-33L, "1.234321e-33" },
1843
{ 1.234321234321234e-32L, "1.234321e-32" },
1844
{ 1.234321234321234e-31L, "1.234321e-31" },
1845
{ 1.234321234321234e-30L, "1.234321e-30" },
1846
{ 1.234321234321234e-29L, "1.234321e-29" },
1847
{ 1.234321234321234e-28L, "1.234321e-28" },
1848
{ 1.234321234321234e-27L, "1.234321e-27" },
1849
{ 1.234321234321234e-26L, "1.234321e-26" },
1850
{ 1.234321234321234e-25L, "1.234321e-25" },
1851
{ 1.234321234321234e-24L, "1.234321e-24" },
1852
{ 1.234321234321234e-23L, "1.234321e-23" },
1853
{ 1.234321234321234e-22L, "1.234321e-22" },
1854
{ 1.234321234321234e-21L, "1.234321e-21" },
1855
{ 1.234321234321234e-20L, "1.234321e-20" },
1856
{ 1.234321234321234e-19L, "1.234321e-19" },
1857
{ 1.234321234321234e-18L, "1.234321e-18" },
1858
{ 1.234321234321234e-17L, "1.234321e-17" },
1859
{ 1.234321234321234e-16L, "1.234321e-16" },
1860
{ 1.234321234321234e-15L, "1.234321e-15" },
1861
{ 1.234321234321234e-14L, "1.234321e-14" },
1862
{ 1.234321234321234e-13L, "1.234321e-13" },
1863
{ 1.234321234321234e-12L, "1.234321e-12" },
1864
{ 1.234321234321234e-11L, "1.234321e-11" },
1865
{ 1.234321234321234e-10L, "1.234321e-10" },
1866
{ 1.234321234321234e-9L, "1.234321e-09" },
1867
{ 1.234321234321234e-8L, "1.234321e-08" },
1868
{ 1.234321234321234e-7L, "1.234321e-07" },
1869
{ 1.234321234321234e-6L, "1.234321e-06" },
1870
{ 1.234321234321234e-5L, "1.234321e-05" },
1871
{ 1.234321234321234e-4L, "1.234321e-04" },
1872
{ 1.234321234321234e-3L, "1.234321e-03" },
1873
{ 1.234321234321234e-2L, "1.234321e-02" },
1874
{ 1.234321234321234e-1L, "1.234321e-01" },
1875
{ 1.234321234321234L, "1.234321e+00" },
1876
{ 1.234321234321234e1L, "1.234321e+01" },
1877
{ 1.234321234321234e2L, "1.234321e+02" },
1878
{ 1.234321234321234e3L, "1.234321e+03" },
1879
{ 1.234321234321234e4L, "1.234321e+04" },
1880
{ 1.234321234321234e5L, "1.234321e+05" },
1881
{ 1.234321234321234e6L, "1.234321e+06" },
1882
{ 1.234321234321234e7L, "1.234321e+07" },
1883
{ 1.234321234321234e8L, "1.234321e+08" },
1884
{ 1.234321234321234e9L, "1.234321e+09" },
1885
{ 1.234321234321234e10L, "1.234321e+10" },
1886
{ 1.234321234321234e11L, "1.234321e+11" },
1887
{ 1.234321234321234e12L, "1.234321e+12" },
1888
{ 1.234321234321234e13L, "1.234321e+13" },
1889
{ 1.234321234321234e14L, "1.234321e+14" },
1890
{ 1.234321234321234e15L, "1.234321e+15" },
1891
{ 1.234321234321234e16L, "1.234321e+16" },
1892
{ 1.234321234321234e17L, "1.234321e+17" },
1893
{ 1.234321234321234e18L, "1.234321e+18" },
1894
{ 1.234321234321234e19L, "1.234321e+19" },
1895
{ 1.234321234321234e20L, "1.234321e+20" },
1896
{ 1.234321234321234e21L, "1.234321e+21" },
1897
{ 1.234321234321234e22L, "1.234321e+22" },
1898
{ 1.234321234321234e23L, "1.234321e+23" },
1899
{ 1.234321234321234e24L, "1.234321e+24" },
1900
{ 1.234321234321234e25L, "1.234321e+25" },
1901
{ 1.234321234321234e26L, "1.234321e+26" },
1902
{ 1.234321234321234e27L, "1.234321e+27" },
1903
{ 1.234321234321234e28L, "1.234321e+28" },
1904
{ 1.234321234321234e29L, "1.234321e+29" },
1905
{ 1.234321234321234e30L, "1.234321e+30" },
1906
{ 1.234321234321234e31L, "1.234321e+31" },
1907
{ 1.234321234321234e32L, "1.234321e+32" },
1908
{ 1.234321234321234e33L, "1.234321e+33" },
1909
{ 1.234321234321234e34L, "1.234321e+34" },
1910
{ 1.234321234321234e35L, "1.234321e+35" },
1911
{ 1.234321234321234e36L, "1.234321e+36" }
1914
for (k = 0; k < SIZEOF (data); k++)
1918
my_snprintf (result, sizeof (result), "%Le", data[k].value);
1919
ASSERT (strcmp (result, data[k].string) == 0);
1920
ASSERT (retval == strlen (result));
1924
{ /* A negative number. */
1927
my_snprintf (result, sizeof (result), "%Le %d", -0.03125L, 33, 44, 55);
1928
ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1929
ASSERT (retval == strlen (result));
1932
{ /* Positive zero. */
1935
my_snprintf (result, sizeof (result), "%Le %d", 0.0L, 33, 44, 55);
1936
ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1937
ASSERT (retval == strlen (result));
1940
{ /* Negative zero. */
1943
my_snprintf (result, sizeof (result), "%Le %d", -0.0L, 33, 44, 55);
1944
if (have_minus_zero ())
1945
ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1946
ASSERT (retval == strlen (result));
1949
{ /* Positive infinity. */
1952
my_snprintf (result, sizeof (result), "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1953
ASSERT (strcmp (result, "inf 33") == 0
1954
|| strcmp (result, "infinity 33") == 0);
1955
ASSERT (retval == strlen (result));
1958
{ /* Negative infinity. */
1961
my_snprintf (result, sizeof (result), "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1962
ASSERT (strcmp (result, "-inf 33") == 0
1963
|| strcmp (result, "-infinity 33") == 0);
1964
ASSERT (retval == strlen (result));
1968
static long double zero = 0.0L;
1971
my_snprintf (result, sizeof (result), "%Le %d", zero / zero, 33, 44, 55);
1972
ASSERT (strlen (result) >= 3 + 3
1973
&& strisnan (result, 0, strlen (result) - 3, 0)
1974
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1975
ASSERT (retval == strlen (result));
1977
#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
1979
static union { unsigned int word[4]; long double value; } x =
1980
{ LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1983
my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1984
ASSERT (strlen (result) >= 3 + 3
1985
&& strisnan (result, 0, strlen (result) - 3, 0)
1986
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1987
ASSERT (retval == strlen (result));
1990
/* Signalling NaN. */
1991
static union { unsigned int word[4]; long double value; } x =
1992
{ LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1995
my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1996
ASSERT (strlen (result) >= 3 + 3
1997
&& strisnan (result, 0, strlen (result) - 3, 0)
1998
&& strcmp (result + strlen (result) - 3, " 33") == 0);
1999
ASSERT (retval == strlen (result));
2001
/* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2002
Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2003
Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2004
Application Architecture.
2005
Table 5-2 "Floating-Point Register Encodings"
2006
Figure 5-6 "Memory to Floating-Point Register Data Translation"
2009
static union { unsigned int word[4]; long double value; } x =
2010
{ LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2013
my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2014
ASSERT (strlen (result) >= 3 + 3
2015
&& strisnan (result, 0, strlen (result) - 3, 0)
2016
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2017
ASSERT (retval == strlen (result));
2019
{ /* Pseudo-Infinity. */
2020
static union { unsigned int word[4]; long double value; } x =
2021
{ LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2024
my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2025
ASSERT (strlen (result) >= 3 + 3
2026
&& strisnan (result, 0, strlen (result) - 3, 0)
2027
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2028
ASSERT (retval == strlen (result));
2030
{ /* Pseudo-Zero. */
2031
static union { unsigned int word[4]; long double value; } x =
2032
{ LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2035
my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2036
ASSERT (strlen (result) >= 3 + 3
2037
&& strisnan (result, 0, strlen (result) - 3, 0)
2038
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2039
ASSERT (retval == strlen (result));
2041
{ /* Unnormalized number. */
2042
static union { unsigned int word[4]; long double value; } x =
2043
{ LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2046
my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2047
ASSERT (strlen (result) >= 3 + 3
2048
&& strisnan (result, 0, strlen (result) - 3, 0)
2049
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2050
ASSERT (retval == strlen (result));
2052
{ /* Pseudo-Denormal. */
2053
static union { unsigned int word[4]; long double value; } x =
2054
{ LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2057
my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2058
ASSERT (strlen (result) >= 3 + 3
2059
&& strisnan (result, 0, strlen (result) - 3, 0)
2060
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2061
ASSERT (retval == strlen (result));
2068
my_snprintf (result, sizeof (result), "%15Le %d", 1.75L, 33, 44, 55);
2069
ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2070
ASSERT (retval == strlen (result));
2076
my_snprintf (result, sizeof (result), "%-15Le %d", 1.75L, 33, 44, 55);
2077
ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2078
ASSERT (retval == strlen (result));
2081
{ /* FLAG_SHOWSIGN. */
2084
my_snprintf (result, sizeof (result), "%+Le %d", 1.75L, 33, 44, 55);
2085
ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2086
ASSERT (retval == strlen (result));
2092
my_snprintf (result, sizeof (result), "% Le %d", 1.75L, 33, 44, 55);
2093
ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2094
ASSERT (retval == strlen (result));
2100
my_snprintf (result, sizeof (result), "%#Le %d", 1.75L, 33, 44, 55);
2101
ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2102
ASSERT (retval == strlen (result));
2108
my_snprintf (result, sizeof (result), "%#.Le %d", 1.75L, 33, 44, 55);
2109
ASSERT (strcmp (result, "2.e+00 33") == 0);
2110
ASSERT (retval == strlen (result));
2116
my_snprintf (result, sizeof (result), "%#.Le %d", 9.75L, 33, 44, 55);
2117
ASSERT (strcmp (result, "1.e+01 33") == 0);
2118
ASSERT (retval == strlen (result));
2121
{ /* FLAG_ZERO with finite number. */
2124
my_snprintf (result, sizeof (result), "%015Le %d", 1234.0L, 33, 44, 55);
2125
ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2126
ASSERT (retval == strlen (result));
2129
{ /* FLAG_ZERO with infinite number. */
2132
my_snprintf (result, sizeof (result), "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2133
ASSERT (strcmp (result, " -inf 33") == 0
2134
|| strcmp (result, " -infinity 33") == 0);
2135
ASSERT (retval == strlen (result));
2138
{ /* FLAG_ZERO with NaN. */
2139
static long double zero = 0.0L;
2142
my_snprintf (result, sizeof (result), "%050Le %d", zero / zero, 33, 44, 55);
2143
ASSERT (strlen (result) == 50 + 3
2144
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2145
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2146
ASSERT (retval == strlen (result));
2152
my_snprintf (result, sizeof (result), "%.Le %d", 1234.0L, 33, 44, 55);
2153
ASSERT (strcmp (result, "1e+03 33") == 0);
2154
ASSERT (retval == strlen (result));
2157
/* Test the support of the %g format directive. */
2159
{ /* A positive number. */
2162
my_snprintf (result, sizeof (result), "%g %d", 12.75, 33, 44, 55);
2163
ASSERT (strcmp (result, "12.75 33") == 0);
2164
ASSERT (retval == strlen (result));
2167
{ /* A larger positive number. */
2170
my_snprintf (result, sizeof (result), "%g %d", 1234567.0, 33, 44, 55);
2171
ASSERT (strcmp (result, "1.23457e+06 33") == 0
2172
|| strcmp (result, "1.23457e+006 33") == 0);
2173
ASSERT (retval == strlen (result));
2176
{ /* Small and large positive numbers. */
2177
static struct { double value; const char *string; } data[] =
2179
{ 1.234321234321234e-37, "1.23432e-37" },
2180
{ 1.234321234321234e-36, "1.23432e-36" },
2181
{ 1.234321234321234e-35, "1.23432e-35" },
2182
{ 1.234321234321234e-34, "1.23432e-34" },
2183
{ 1.234321234321234e-33, "1.23432e-33" },
2184
{ 1.234321234321234e-32, "1.23432e-32" },
2185
{ 1.234321234321234e-31, "1.23432e-31" },
2186
{ 1.234321234321234e-30, "1.23432e-30" },
2187
{ 1.234321234321234e-29, "1.23432e-29" },
2188
{ 1.234321234321234e-28, "1.23432e-28" },
2189
{ 1.234321234321234e-27, "1.23432e-27" },
2190
{ 1.234321234321234e-26, "1.23432e-26" },
2191
{ 1.234321234321234e-25, "1.23432e-25" },
2192
{ 1.234321234321234e-24, "1.23432e-24" },
2193
{ 1.234321234321234e-23, "1.23432e-23" },
2194
{ 1.234321234321234e-22, "1.23432e-22" },
2195
{ 1.234321234321234e-21, "1.23432e-21" },
2196
{ 1.234321234321234e-20, "1.23432e-20" },
2197
{ 1.234321234321234e-19, "1.23432e-19" },
2198
{ 1.234321234321234e-18, "1.23432e-18" },
2199
{ 1.234321234321234e-17, "1.23432e-17" },
2200
{ 1.234321234321234e-16, "1.23432e-16" },
2201
{ 1.234321234321234e-15, "1.23432e-15" },
2202
{ 1.234321234321234e-14, "1.23432e-14" },
2203
{ 1.234321234321234e-13, "1.23432e-13" },
2204
{ 1.234321234321234e-12, "1.23432e-12" },
2205
{ 1.234321234321234e-11, "1.23432e-11" },
2206
{ 1.234321234321234e-10, "1.23432e-10" },
2207
{ 1.234321234321234e-9, "1.23432e-09" },
2208
{ 1.234321234321234e-8, "1.23432e-08" },
2209
{ 1.234321234321234e-7, "1.23432e-07" },
2210
{ 1.234321234321234e-6, "1.23432e-06" },
2211
{ 1.234321234321234e-5, "1.23432e-05" },
2212
{ 1.234321234321234e-4, "0.000123432" },
2213
{ 1.234321234321234e-3, "0.00123432" },
2214
{ 1.234321234321234e-2, "0.0123432" },
2215
{ 1.234321234321234e-1, "0.123432" },
2216
{ 1.234321234321234, "1.23432" },
2217
{ 1.234321234321234e1, "12.3432" },
2218
{ 1.234321234321234e2, "123.432" },
2219
{ 1.234321234321234e3, "1234.32" },
2220
{ 1.234321234321234e4, "12343.2" },
2221
{ 1.234321234321234e5, "123432" },
2222
{ 1.234321234321234e6, "1.23432e+06" },
2223
{ 1.234321234321234e7, "1.23432e+07" },
2224
{ 1.234321234321234e8, "1.23432e+08" },
2225
{ 1.234321234321234e9, "1.23432e+09" },
2226
{ 1.234321234321234e10, "1.23432e+10" },
2227
{ 1.234321234321234e11, "1.23432e+11" },
2228
{ 1.234321234321234e12, "1.23432e+12" },
2229
{ 1.234321234321234e13, "1.23432e+13" },
2230
{ 1.234321234321234e14, "1.23432e+14" },
2231
{ 1.234321234321234e15, "1.23432e+15" },
2232
{ 1.234321234321234e16, "1.23432e+16" },
2233
{ 1.234321234321234e17, "1.23432e+17" },
2234
{ 1.234321234321234e18, "1.23432e+18" },
2235
{ 1.234321234321234e19, "1.23432e+19" },
2236
{ 1.234321234321234e20, "1.23432e+20" },
2237
{ 1.234321234321234e21, "1.23432e+21" },
2238
{ 1.234321234321234e22, "1.23432e+22" },
2239
{ 1.234321234321234e23, "1.23432e+23" },
2240
{ 1.234321234321234e24, "1.23432e+24" },
2241
{ 1.234321234321234e25, "1.23432e+25" },
2242
{ 1.234321234321234e26, "1.23432e+26" },
2243
{ 1.234321234321234e27, "1.23432e+27" },
2244
{ 1.234321234321234e28, "1.23432e+28" },
2245
{ 1.234321234321234e29, "1.23432e+29" },
2246
{ 1.234321234321234e30, "1.23432e+30" },
2247
{ 1.234321234321234e31, "1.23432e+31" },
2248
{ 1.234321234321234e32, "1.23432e+32" },
2249
{ 1.234321234321234e33, "1.23432e+33" },
2250
{ 1.234321234321234e34, "1.23432e+34" },
2251
{ 1.234321234321234e35, "1.23432e+35" },
2252
{ 1.234321234321234e36, "1.23432e+36" }
2255
for (k = 0; k < SIZEOF (data); k++)
2259
my_snprintf (result, sizeof (result), "%g", data[k].value);
2260
const char *expected = data[k].string;
2261
ASSERT (strcmp (result, expected) == 0
2262
/* Some implementations produce exponents with 3 digits. */
2263
|| (expected[strlen (expected) - 4] == 'e'
2264
&& strlen (result) == strlen (expected) + 1
2265
&& memcmp (result, expected, strlen (expected) - 2) == 0
2266
&& result[strlen (expected) - 2] == '0'
2267
&& strcmp (result + strlen (expected) - 1,
2268
expected + strlen (expected) - 2)
2270
ASSERT (retval == strlen (result));
2274
{ /* A negative number. */
2277
my_snprintf (result, sizeof (result), "%g %d", -0.03125, 33, 44, 55);
2278
ASSERT (strcmp (result, "-0.03125 33") == 0);
2279
ASSERT (retval == strlen (result));
2282
{ /* Positive zero. */
2285
my_snprintf (result, sizeof (result), "%g %d", 0.0, 33, 44, 55);
2286
ASSERT (strcmp (result, "0 33") == 0);
2287
ASSERT (retval == strlen (result));
2290
{ /* Negative zero. */
2293
my_snprintf (result, sizeof (result), "%g %d", -0.0, 33, 44, 55);
2294
if (have_minus_zero ())
2295
ASSERT (strcmp (result, "-0 33") == 0);
2296
ASSERT (retval == strlen (result));
2299
{ /* Positive infinity. */
2302
my_snprintf (result, sizeof (result), "%g %d", 1.0 / 0.0, 33, 44, 55);
2303
ASSERT (strcmp (result, "inf 33") == 0
2304
|| strcmp (result, "infinity 33") == 0);
2305
ASSERT (retval == strlen (result));
2308
{ /* Negative infinity. */
2311
my_snprintf (result, sizeof (result), "%g %d", -1.0 / 0.0, 33, 44, 55);
2312
ASSERT (strcmp (result, "-inf 33") == 0
2313
|| strcmp (result, "-infinity 33") == 0);
2314
ASSERT (retval == strlen (result));
2320
my_snprintf (result, sizeof (result), "%g %d", NaN (), 33, 44, 55);
2321
ASSERT (strlen (result) >= 3 + 3
2322
&& strisnan (result, 0, strlen (result) - 3, 0)
2323
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2324
ASSERT (retval == strlen (result));
2330
my_snprintf (result, sizeof (result), "%10g %d", 1.75, 33, 44, 55);
2331
ASSERT (strcmp (result, " 1.75 33") == 0);
2332
ASSERT (retval == strlen (result));
2338
my_snprintf (result, sizeof (result), "%-10g %d", 1.75, 33, 44, 55);
2339
ASSERT (strcmp (result, "1.75 33") == 0);
2340
ASSERT (retval == strlen (result));
2343
{ /* FLAG_SHOWSIGN. */
2346
my_snprintf (result, sizeof (result), "%+g %d", 1.75, 33, 44, 55);
2347
ASSERT (strcmp (result, "+1.75 33") == 0);
2348
ASSERT (retval == strlen (result));
2354
my_snprintf (result, sizeof (result), "% g %d", 1.75, 33, 44, 55);
2355
ASSERT (strcmp (result, " 1.75 33") == 0);
2356
ASSERT (retval == strlen (result));
2362
my_snprintf (result, sizeof (result), "%#g %d", 1.75, 33, 44, 55);
2363
ASSERT (strcmp (result, "1.75000 33") == 0);
2364
ASSERT (retval == strlen (result));
2370
my_snprintf (result, sizeof (result), "%#.g %d", 1.75, 33, 44, 55);
2371
ASSERT (strcmp (result, "2. 33") == 0);
2372
ASSERT (retval == strlen (result));
2378
my_snprintf (result, sizeof (result), "%#.g %d", 9.75, 33, 44, 55);
2379
ASSERT (strcmp (result, "1.e+01 33") == 0
2380
|| strcmp (result, "1.e+001 33") == 0);
2381
ASSERT (retval == strlen (result));
2384
{ /* FLAG_ZERO with finite number. */
2387
my_snprintf (result, sizeof (result), "%010g %d", 1234.0, 33, 44, 55);
2388
ASSERT (strcmp (result, "0000001234 33") == 0);
2389
ASSERT (retval == strlen (result));
2392
{ /* FLAG_ZERO with infinite number. */
2395
my_snprintf (result, sizeof (result), "%015g %d", -1.0 / 0.0, 33, 44, 55);
2396
ASSERT (strcmp (result, " -inf 33") == 0
2397
|| strcmp (result, " -infinity 33") == 0);
2398
ASSERT (retval == strlen (result));
2401
{ /* FLAG_ZERO with NaN. */
2404
my_snprintf (result, sizeof (result), "%050g %d", NaN (), 33, 44, 55);
2405
ASSERT (strlen (result) == 50 + 3
2406
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2407
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2408
ASSERT (retval == strlen (result));
2414
my_snprintf (result, sizeof (result), "%.g %d", 1234.0, 33, 44, 55);
2415
ASSERT (strcmp (result, "1e+03 33") == 0
2416
|| strcmp (result, "1e+003 33") == 0);
2417
ASSERT (retval == strlen (result));
2420
{ /* A positive number. */
2423
my_snprintf (result, sizeof (result), "%Lg %d", 12.75L, 33, 44, 55);
2424
ASSERT (strcmp (result, "12.75 33") == 0);
2425
ASSERT (retval == strlen (result));
2428
{ /* A larger positive number. */
2431
my_snprintf (result, sizeof (result), "%Lg %d", 1234567.0L, 33, 44, 55);
2432
ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2433
ASSERT (retval == strlen (result));
2436
{ /* Small and large positive numbers. */
2437
static struct { long double value; const char *string; } data[] =
2439
{ 1.234321234321234e-37L, "1.23432e-37" },
2440
{ 1.234321234321234e-36L, "1.23432e-36" },
2441
{ 1.234321234321234e-35L, "1.23432e-35" },
2442
{ 1.234321234321234e-34L, "1.23432e-34" },
2443
{ 1.234321234321234e-33L, "1.23432e-33" },
2444
{ 1.234321234321234e-32L, "1.23432e-32" },
2445
{ 1.234321234321234e-31L, "1.23432e-31" },
2446
{ 1.234321234321234e-30L, "1.23432e-30" },
2447
{ 1.234321234321234e-29L, "1.23432e-29" },
2448
{ 1.234321234321234e-28L, "1.23432e-28" },
2449
{ 1.234321234321234e-27L, "1.23432e-27" },
2450
{ 1.234321234321234e-26L, "1.23432e-26" },
2451
{ 1.234321234321234e-25L, "1.23432e-25" },
2452
{ 1.234321234321234e-24L, "1.23432e-24" },
2453
{ 1.234321234321234e-23L, "1.23432e-23" },
2454
{ 1.234321234321234e-22L, "1.23432e-22" },
2455
{ 1.234321234321234e-21L, "1.23432e-21" },
2456
{ 1.234321234321234e-20L, "1.23432e-20" },
2457
{ 1.234321234321234e-19L, "1.23432e-19" },
2458
{ 1.234321234321234e-18L, "1.23432e-18" },
2459
{ 1.234321234321234e-17L, "1.23432e-17" },
2460
{ 1.234321234321234e-16L, "1.23432e-16" },
2461
{ 1.234321234321234e-15L, "1.23432e-15" },
2462
{ 1.234321234321234e-14L, "1.23432e-14" },
2463
{ 1.234321234321234e-13L, "1.23432e-13" },
2464
{ 1.234321234321234e-12L, "1.23432e-12" },
2465
{ 1.234321234321234e-11L, "1.23432e-11" },
2466
{ 1.234321234321234e-10L, "1.23432e-10" },
2467
{ 1.234321234321234e-9L, "1.23432e-09" },
2468
{ 1.234321234321234e-8L, "1.23432e-08" },
2469
{ 1.234321234321234e-7L, "1.23432e-07" },
2470
{ 1.234321234321234e-6L, "1.23432e-06" },
2471
{ 1.234321234321234e-5L, "1.23432e-05" },
2472
{ 1.234321234321234e-4L, "0.000123432" },
2473
{ 1.234321234321234e-3L, "0.00123432" },
2474
{ 1.234321234321234e-2L, "0.0123432" },
2475
{ 1.234321234321234e-1L, "0.123432" },
2476
{ 1.234321234321234L, "1.23432" },
2477
{ 1.234321234321234e1L, "12.3432" },
2478
{ 1.234321234321234e2L, "123.432" },
2479
{ 1.234321234321234e3L, "1234.32" },
2480
{ 1.234321234321234e4L, "12343.2" },
2481
{ 1.234321234321234e5L, "123432" },
2482
{ 1.234321234321234e6L, "1.23432e+06" },
2483
{ 1.234321234321234e7L, "1.23432e+07" },
2484
{ 1.234321234321234e8L, "1.23432e+08" },
2485
{ 1.234321234321234e9L, "1.23432e+09" },
2486
{ 1.234321234321234e10L, "1.23432e+10" },
2487
{ 1.234321234321234e11L, "1.23432e+11" },
2488
{ 1.234321234321234e12L, "1.23432e+12" },
2489
{ 1.234321234321234e13L, "1.23432e+13" },
2490
{ 1.234321234321234e14L, "1.23432e+14" },
2491
{ 1.234321234321234e15L, "1.23432e+15" },
2492
{ 1.234321234321234e16L, "1.23432e+16" },
2493
{ 1.234321234321234e17L, "1.23432e+17" },
2494
{ 1.234321234321234e18L, "1.23432e+18" },
2495
{ 1.234321234321234e19L, "1.23432e+19" },
2496
{ 1.234321234321234e20L, "1.23432e+20" },
2497
{ 1.234321234321234e21L, "1.23432e+21" },
2498
{ 1.234321234321234e22L, "1.23432e+22" },
2499
{ 1.234321234321234e23L, "1.23432e+23" },
2500
{ 1.234321234321234e24L, "1.23432e+24" },
2501
{ 1.234321234321234e25L, "1.23432e+25" },
2502
{ 1.234321234321234e26L, "1.23432e+26" },
2503
{ 1.234321234321234e27L, "1.23432e+27" },
2504
{ 1.234321234321234e28L, "1.23432e+28" },
2505
{ 1.234321234321234e29L, "1.23432e+29" },
2506
{ 1.234321234321234e30L, "1.23432e+30" },
2507
{ 1.234321234321234e31L, "1.23432e+31" },
2508
{ 1.234321234321234e32L, "1.23432e+32" },
2509
{ 1.234321234321234e33L, "1.23432e+33" },
2510
{ 1.234321234321234e34L, "1.23432e+34" },
2511
{ 1.234321234321234e35L, "1.23432e+35" },
2512
{ 1.234321234321234e36L, "1.23432e+36" }
2515
for (k = 0; k < SIZEOF (data); k++)
2519
my_snprintf (result, sizeof (result), "%Lg", data[k].value);
2520
ASSERT (strcmp (result, data[k].string) == 0);
2521
ASSERT (retval == strlen (result));
2525
{ /* A negative number. */
2528
my_snprintf (result, sizeof (result), "%Lg %d", -0.03125L, 33, 44, 55);
2529
ASSERT (strcmp (result, "-0.03125 33") == 0);
2530
ASSERT (retval == strlen (result));
2533
{ /* Positive zero. */
2536
my_snprintf (result, sizeof (result), "%Lg %d", 0.0L, 33, 44, 55);
2537
ASSERT (strcmp (result, "0 33") == 0);
2538
ASSERT (retval == strlen (result));
2541
{ /* Negative zero. */
2544
my_snprintf (result, sizeof (result), "%Lg %d", -0.0L, 33, 44, 55);
2545
if (have_minus_zero ())
2546
ASSERT (strcmp (result, "-0 33") == 0);
2547
ASSERT (retval == strlen (result));
2550
{ /* Positive infinity. */
2553
my_snprintf (result, sizeof (result), "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2554
ASSERT (strcmp (result, "inf 33") == 0
2555
|| strcmp (result, "infinity 33") == 0);
2556
ASSERT (retval == strlen (result));
2559
{ /* Negative infinity. */
2562
my_snprintf (result, sizeof (result), "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2563
ASSERT (strcmp (result, "-inf 33") == 0
2564
|| strcmp (result, "-infinity 33") == 0);
2565
ASSERT (retval == strlen (result));
2569
static long double zero = 0.0L;
2572
my_snprintf (result, sizeof (result), "%Lg %d", zero / zero, 33, 44, 55);
2573
ASSERT (strlen (result) >= 3 + 3
2574
&& strisnan (result, 0, strlen (result) - 3, 0)
2575
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2576
ASSERT (retval == strlen (result));
2578
#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
2580
static union { unsigned int word[4]; long double value; } x =
2581
{ LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2584
my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2585
ASSERT (strlen (result) >= 3 + 3
2586
&& strisnan (result, 0, strlen (result) - 3, 0)
2587
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2588
ASSERT (retval == strlen (result));
2591
/* Signalling NaN. */
2592
static union { unsigned int word[4]; long double value; } x =
2593
{ LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2596
my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2597
ASSERT (strlen (result) >= 3 + 3
2598
&& strisnan (result, 0, strlen (result) - 3, 0)
2599
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2600
ASSERT (retval == strlen (result));
2602
/* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2603
Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2604
Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2605
Application Architecture.
2606
Table 5-2 "Floating-Point Register Encodings"
2607
Figure 5-6 "Memory to Floating-Point Register Data Translation"
2610
static union { unsigned int word[4]; long double value; } x =
2611
{ LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2614
my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2615
ASSERT (strlen (result) >= 3 + 3
2616
&& strisnan (result, 0, strlen (result) - 3, 0)
2617
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2618
ASSERT (retval == strlen (result));
2620
{ /* Pseudo-Infinity. */
2621
static union { unsigned int word[4]; long double value; } x =
2622
{ LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2625
my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2626
ASSERT (strlen (result) >= 3 + 3
2627
&& strisnan (result, 0, strlen (result) - 3, 0)
2628
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2629
ASSERT (retval == strlen (result));
2631
{ /* Pseudo-Zero. */
2632
static union { unsigned int word[4]; long double value; } x =
2633
{ LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2636
my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2637
ASSERT (strlen (result) >= 3 + 3
2638
&& strisnan (result, 0, strlen (result) - 3, 0)
2639
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2640
ASSERT (retval == strlen (result));
2642
{ /* Unnormalized number. */
2643
static union { unsigned int word[4]; long double value; } x =
2644
{ LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2647
my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2648
ASSERT (strlen (result) >= 3 + 3
2649
&& strisnan (result, 0, strlen (result) - 3, 0)
2650
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2651
ASSERT (retval == strlen (result));
2653
{ /* Pseudo-Denormal. */
2654
static union { unsigned int word[4]; long double value; } x =
2655
{ LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2658
my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2659
ASSERT (strlen (result) >= 3 + 3
2660
&& strisnan (result, 0, strlen (result) - 3, 0)
2661
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2662
ASSERT (retval == strlen (result));
2669
my_snprintf (result, sizeof (result), "%10Lg %d", 1.75L, 33, 44, 55);
2670
ASSERT (strcmp (result, " 1.75 33") == 0);
2671
ASSERT (retval == strlen (result));
2677
my_snprintf (result, sizeof (result), "%-10Lg %d", 1.75L, 33, 44, 55);
2678
ASSERT (strcmp (result, "1.75 33") == 0);
2679
ASSERT (retval == strlen (result));
2682
{ /* FLAG_SHOWSIGN. */
2685
my_snprintf (result, sizeof (result), "%+Lg %d", 1.75L, 33, 44, 55);
2686
ASSERT (strcmp (result, "+1.75 33") == 0);
2687
ASSERT (retval == strlen (result));
2693
my_snprintf (result, sizeof (result), "% Lg %d", 1.75L, 33, 44, 55);
2694
ASSERT (strcmp (result, " 1.75 33") == 0);
2695
ASSERT (retval == strlen (result));
2701
my_snprintf (result, sizeof (result), "%#Lg %d", 1.75L, 33, 44, 55);
2702
ASSERT (strcmp (result, "1.75000 33") == 0);
2703
ASSERT (retval == strlen (result));
2709
my_snprintf (result, sizeof (result), "%#.Lg %d", 1.75L, 33, 44, 55);
2710
ASSERT (strcmp (result, "2. 33") == 0);
2711
ASSERT (retval == strlen (result));
2717
my_snprintf (result, sizeof (result), "%#.Lg %d", 9.75L, 33, 44, 55);
2718
ASSERT (strcmp (result, "1.e+01 33") == 0);
2719
ASSERT (retval == strlen (result));
2722
{ /* FLAG_ZERO with finite number. */
2725
my_snprintf (result, sizeof (result), "%010Lg %d", 1234.0L, 33, 44, 55);
2726
ASSERT (strcmp (result, "0000001234 33") == 0);
2727
ASSERT (retval == strlen (result));
2730
{ /* FLAG_ZERO with infinite number. */
2733
my_snprintf (result, sizeof (result), "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2734
ASSERT (strcmp (result, " -inf 33") == 0
2735
|| strcmp (result, " -infinity 33") == 0);
2736
ASSERT (retval == strlen (result));
2739
{ /* FLAG_ZERO with NaN. */
2740
static long double zero = 0.0L;
2743
my_snprintf (result, sizeof (result), "%050Lg %d", zero / zero, 33, 44, 55);
2744
ASSERT (strlen (result) == 50 + 3
2745
&& strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2746
&& strcmp (result + strlen (result) - 3, " 33") == 0);
2747
ASSERT (retval == strlen (result));
2753
my_snprintf (result, sizeof (result), "%.Lg %d", 1234.0L, 33, 44, 55);
2754
ASSERT (strcmp (result, "1e+03 33") == 0);
2755
ASSERT (retval == strlen (result));
2758
/* Test the support of the %n format directive. */
2764
my_snprintf (result, sizeof (result), "%d %n", 123, &count, 33, 44, 55);
2765
ASSERT (strcmp (result, "123 ") == 0);
2766
ASSERT (retval == strlen (result));
2767
ASSERT (count == 4);
2770
/* Test the support of the POSIX/XSI format strings with positions. */
2775
my_snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
2776
ASSERT (strcmp (result, "55 33") == 0);
2777
ASSERT (retval == strlen (result));
2780
/* Test the support of the grouping flag. */
2785
my_snprintf (result, sizeof (result), "%'d %d", 1234567, 99);
2786
ASSERT (result[strlen (result) - 1] == '9');
2787
ASSERT (retval == strlen (result));