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/* Copyright (C) 2011-2016 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 <math.h>
#include "math_private.h"
#if defined(__UCLIBC_HAS_FENV__)
#include <fenv.h>
#endif
/* wrapper j1 */
double
j1 (double x)
{
#if defined(__UCLIBC_HAS_FENV__)
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);
#endif /* __UCLIBC_HAS_FENV__ */
return __ieee754_j1 (x);
}
/* wrapper y1 */
double
y1 (double x)
{
#if defined(__UCLIBC_HAS_FENV__)
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);
}
#endif /* __UCLIBC_HAS_FENV__ */
return __ieee754_y1 (x);
}
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