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This Software is provided under the Zope Public License (ZPL) Version 2.1.
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Copyright (c) 2009, 2010 by the mingw-w64 project
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See the AUTHORS file for the list of contributors to the mingw-w64 project.
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This license has been certified as open source. It has also been designated
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as GPL compatible by the Free Software Foundation (FSF).
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions in source code must retain the accompanying copyright
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notice, this list of conditions, and the following disclaimer.
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2. Redistributions in binary form must reproduce the accompanying
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copyright notice, this list of conditions, and the following disclaimer
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in the documentation and/or other materials provided with the
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3. Names of the copyright holders must not be used to endorse or promote
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products derived from this software without prior written permission
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from the copyright holders.
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4. The right to distribute this software or to use it for any purpose does
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not give you the right to use Servicemarks (sm) or Trademarks (tm) of
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the copyright holders. Use of them is covered by separate agreement
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with the copyright holders.
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5. If any files are modified, you must cause the modified files to carry
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prominent notices stating that you changed the files and the date of
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY EXPRESSED
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OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "complex_test.h"
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* Annex G, carg (z) == atan2 (__imag__ z, __real__ z).
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* Annex F.9, Unless otherwise specified, where the symbol "+/-" occurs in both
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* an argument and the result, the result has the same sign as the argument.
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* Annex F.9.1.4 The atan2 functions
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* atan2(+/-0, -0) returns +/-pi (footnote: no invalid or divide-by-zero exceptions)
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* atan2(+/-0, +0) returns +/-0.
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* atan2(+/-0, x) returns +/-pi for x < 0.
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* atan2(+/-0, x) returns +/-0 for x > 0.
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* atan2(y, +/-0) returns -pi /2 for y < 0.
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* atan2(y, +/-0) returns pi /2 for y > 0.
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* atan2(+/-y, -inf) returns +/-pi for finite y > 0.
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* atan2(+/-y, +inf) returns +/-0 for finite y > 0.
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* atan2(+/-inf, x) returns +/-pi /2 for finite x.
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* atan2(+/-inf, -inf) returns +/-3pi /4.
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* atan2(+/-inf, +inf) returns +/-pi /4.
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int __FLT_ABI(test_function_carg) ()
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_DEFINE_DEFAULT_TEST_FUNCTION_REAL (carg, 0);
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/* These tests return a real -- expected imaginary is ignored. */
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/* Note to self - reverse input for correct expected, since the imaginary value
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is the first to be passed to atan2. */
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DEFINE_TEST (-__FLT_CST(0.0), -__FLT_CST(0.0), -__FLT_PI, __FLT_NAN, 0, 0)
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DEFINE_TEST (-__FLT_CST(0.0), __FLT_CST(0.0), __FLT_PI, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_CST(0.0), -__FLT_CST(0.0), -__FLT_CST(0.0), __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_CST(0.0), __FLT_CST(0.0), __FLT_CST(0.0), __FLT_NAN, 0, 0)
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DEFINE_TEST (-__FLT_CST(0.0), -__FLT_CST(42.42), -__FLT_PI_2, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_CST(0.0), -__FLT_CST(42.42), -__FLT_PI_2, __FLT_NAN, 0, 0)
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DEFINE_TEST (-__FLT_CST(0.0), __FLT_CST(42.42), __FLT_PI_2, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_CST(0.0), __FLT_CST(42.42), __FLT_PI_2, __FLT_NAN, 0, 0)
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DEFINE_TEST (-__FLT_CST(42.42), -__FLT_CST(0.0), -__FLT_PI, __FLT_NAN, 0, 0)
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DEFINE_TEST (-__FLT_CST(42.42), __FLT_CST(0.0), __FLT_PI, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_CST(42.42), -__FLT_CST(0.0), -__FLT_CST(0.0), __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_CST(42.42), __FLT_CST(0.0), __FLT_CST(0.0), __FLT_NAN, 0, 0)
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DEFINE_TEST (-__FLT_CST(42.42), -INFINITY, -__FLT_PI_2, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_CST(42.42), -INFINITY, -__FLT_PI_2, __FLT_NAN, 0, 0)
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DEFINE_TEST (-__FLT_CST(42.42), INFINITY, __FLT_PI_2, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_CST(42.42), INFINITY, __FLT_PI_2, __FLT_NAN, 0, 0)
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DEFINE_TEST (-INFINITY, -__FLT_CST(42.42), -__FLT_PI, __FLT_NAN, 0, 0)
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DEFINE_TEST (-INFINITY, __FLT_CST(42.42), __FLT_PI, __FLT_NAN, 0, 0)
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DEFINE_TEST ( INFINITY, -__FLT_CST(42.42), -__FLT_CST(0.0), __FLT_NAN, 0, 0)
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DEFINE_TEST ( INFINITY, __FLT_CST(42.42), __FLT_CST(0.0), __FLT_NAN, 0, 0)
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DEFINE_TEST (-INFINITY, -INFINITY, -__FLT_PI_3_4, __FLT_NAN, 0, 0)
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DEFINE_TEST (-INFINITY, INFINITY, __FLT_PI_3_4, __FLT_NAN, 0, 0)
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DEFINE_TEST ( INFINITY, -INFINITY, -__FLT_PI_4, __FLT_NAN, 0, 0)
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DEFINE_TEST ( INFINITY, INFINITY, __FLT_PI_4, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_NAN, __FLT_CST(0.0), __FLT_NAN, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_NAN, -__FLT_CST(0.0), __FLT_NAN, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_CST(0.0), __FLT_NAN, __FLT_NAN, __FLT_NAN, 0, 0)
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DEFINE_TEST (-__FLT_CST(0.0), __FLT_NAN, __FLT_NAN, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_NAN, INFINITY, __FLT_NAN, __FLT_NAN, 0, 0)
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DEFINE_TEST ( __FLT_NAN, -INFINITY, __FLT_NAN, __FLT_NAN, 0, 0)
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DEFINE_TEST ( INFINITY, __FLT_NAN, __FLT_NAN, __FLT_NAN, 0, 0)
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DEFINE_TEST ( -INFINITY, __FLT_NAN, __FLT_NAN, __FLT_NAN, 0, 0)
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return RUN_DEFAULT_TESTS(carg);
added
removed
ros-privexp/mingw-w64-crt/testcases/complex/carg.c
