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34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
/* Copyright (C) 1998-2023 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, see
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<https://www.gnu.org/licenses/>. */
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#include <math.h>
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#include <math_private.h>
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#include <float.h>
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#include <libm-alias-finite.h>
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double
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__ieee754_exp10 (double arg)
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{
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if (isfinite (arg) && arg < DBL_MIN_10_EXP - DBL_DIG - 10)
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return DBL_MIN * DBL_MIN;
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else
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/* This is a very stupid and inprecise implementation. It'll get
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replaced sometime (soon?). */
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return __ieee754_exp (M_LN10 * arg);
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}
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libm_alias_finite (__ieee754_exp10, __exp10)
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