66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/* Copyright (C) 2011-2013 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <fenv.h>
|
|
#include <math.h>
|
|
#include <math_private.h>
|
|
|
|
|
|
/* wrapper j1 */
|
|
double
|
|
j1 (double x)
|
|
{
|
|
if (__builtin_expect (isgreater (fabs (x), X_TLOSS), 0)
|
|
&& _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_)
|
|
/* j1(|x|>X_TLOSS) */
|
|
return __kernel_standard (x, x, 36);
|
|
|
|
return __ieee754_j1 (x);
|
|
}
|
|
#ifdef NO_LONG_DOUBLE
|
|
strong_alias (j1, j1l)
|
|
#endif
|
|
|
|
|
|
/* wrapper y1 */
|
|
double
|
|
y1 (double x)
|
|
{
|
|
if (__builtin_expect (islessequal (x, 0.0) || isgreater (x, X_TLOSS), 0)
|
|
&& _LIB_VERSION != _IEEE_)
|
|
{
|
|
if (x < 0.0)
|
|
{
|
|
/* d = zero/(x-x) */
|
|
feraiseexcept (FE_INVALID);
|
|
return __kernel_standard (x, x, 11);
|
|
}
|
|
else if (x == 0.0)
|
|
/* d = -one/(x-x) */
|
|
return __kernel_standard (x, x, 10);
|
|
else if (_LIB_VERSION != _POSIX_)
|
|
/* y1(x>X_TLOSS) */
|
|
return __kernel_standard (x, x, 37);
|
|
}
|
|
|
|
return __ieee754_y1 (x);
|
|
}
|
|
#ifdef NO_LONG_DOUBLE
|
|
strong_alias (y1, y1l)
|
|
#endif
|