mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-20 08:30:00 +00:00
0ac5ae2335
libm is now somewhat integrated with gcc's -ffinite-math-only option and lots of the wrapper functions have been optimized.
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* Copyright (C) 2011 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
|
|
|
|
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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <fenv.h>
|
|
#include <math.h>
|
|
#include <math_private.h>
|
|
|
|
|
|
/* wrapper j1l */
|
|
long double
|
|
__j1l (long double x)
|
|
{
|
|
if (__builtin_expect (fabsl (x) > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
|
|
/* j1(|x|>X_TLOSS) */
|
|
return __kernel_standard (x, x, 236);
|
|
|
|
return __ieee754_j1l (x);
|
|
}
|
|
weak_alias (__j1l, j1l)
|
|
|
|
|
|
/* wrapper y1l */
|
|
long double
|
|
__y1l (long double x)
|
|
{
|
|
if (__builtin_expect (x <= 0.0L || x > X_TLOSS, 0) && _LIB_VERSION != _IEEE_)
|
|
{
|
|
if (x < 0.0L)
|
|
{
|
|
/* d = zero/(x-x) */
|
|
feraiseexcept (FE_INVALID);
|
|
return __kernel_standard (x, x, 211);
|
|
}
|
|
else if (x == 0.0L)
|
|
/* d = -one/(x-x) */
|
|
return __kernel_standard (x, x, 210);
|
|
else
|
|
/* y1(x>X_TLOSS) */
|
|
return __kernel_standard (x, x, 237);
|
|
}
|
|
|
|
return __ieee754_y1l (x);
|
|
}
|
|
weak_alias (__y1l, y1l)
|