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Copyright (C) 2011 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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#ifndef NO_LONG_DOUBLE
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# if LDBL_MANT_DIG == 64
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long double x = 1e-20;
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union ieee854_long_double u;
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(void) powl (0.2, u.d);
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if (fabsl (x - 1e-30) > 1e-10)
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printf ("powl (1e-20, 1.5): wrong result: %Lg\n", x);