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math/w_log10_template.c
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Wrapper to set errno for log10. Copyright (C) 2017-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ /* Only build wrappers from the templates for the types that define the macro below. This macro is set in math-type-macros-<type>.h in sysdeps/generic for each floating-point type. */ #if __USE_WRAPPER_TEMPLATE # include <errno.h> # include <fenv.h> # include <math.h> # include <math_private.h> FLOAT M_DECL_FUNC (__log10) (FLOAT x) { if (__glibc_unlikely (islessequal (x, M_LIT (0.0)))) { if (x == 0) /* Pole error: log10(0). */ __set_errno (ERANGE); else /* Domain error: log10(<0). */ __set_errno (EDOM); } return M_SUF (__ieee754_log10) (x); } declare_mgen_alias (__log10, log10) #endif /* __USE_WRAPPER_TEMPLATE. */