68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/* Copyright (C) 2011-2022 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/>. */
|
|
|
|
#include <fenv.h>
|
|
#include <math.h>
|
|
#include <math_private.h>
|
|
#include <math-svid-compat.h>
|
|
#include <libm-alias-double.h>
|
|
|
|
|
|
#if LIBM_SVID_COMPAT
|
|
/* 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);
|
|
}
|
|
libm_alias_double (__j1, j1)
|
|
|
|
|
|
/* 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) */
|
|
__feraiseexcept (FE_DIVBYZERO);
|
|
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);
|
|
}
|
|
libm_alias_double (__y1, y1)
|
|
#endif
|