glibc/math/w_j1l.c
Ulrich Drepper 0ac5ae2335 Optimize libm
libm is now somewhat integrated with gcc's -ffinite-math-only option
and lots of the wrapper functions have been optimized.
2011-10-12 11:27:51 -04:00

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)