glibc/math/e_exp10f.c

33 lines
1.2 KiB
C

/* Copyright (C) 1998-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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
<http://www.gnu.org/licenses/>. */
#include <math.h>
#include <math_private.h>
float
__ieee754_exp10f (float arg)
{
/* The argument to exp needs to be calculated in enough precision
that the fractional part has as much precision as float, in
addition to the bits in the integer part; using double ensures
this. */
return __ieee754_exp (M_LN10 * arg);
}
strong_alias (__ieee754_exp10f, __exp10f_finite)