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glibc/math/w_j0f_compat.c
Adhemerval Zanella b050cb53b0 math: Remove the SVID error handling wrapper from y0/j0
Tested on x86_64-linux-gnu and i686-linux-gnu.

Reviewed-by: Wilco Dijkstra  <Wilco.Dijkstra@arm.com>
2025-10-30 15:41:31 -03:00

71 lines
2.0 KiB
C

/* Copyright (C) 2011-2025 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-float.h>
#include <shlib-compat.h>
#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_43)
/* wrapper j0f */
float
__j0f_svid (float x)
{
if (__builtin_expect (isgreater (fabsf (x),
AS_FLOAT_CONSTANT (X_TLOSS)), 0)
&& _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_)
/* j0(|x|>X_TLOSS) */
return __kernel_standard_f (x, x, 134);
return __ieee754_j0f (x);
}
compat_symbol (libm, __j0f_svid, j0f, GLIBC_2_0);
/* wrapper y0f */
float
__y0f_svid (float x)
{
if (__builtin_expect (islessequal (x, 0.0f)
|| isgreater (x, AS_FLOAT_CONSTANT (X_TLOSS)), 0)
&& _LIB_VERSION != _IEEE_)
{
if (x < 0.0f)
{
/* d = zero/(x-x) */
feraiseexcept (FE_INVALID);
return __kernel_standard_f (x, x, 109);
}
else if (x == 0.0f)
{
/* d = -one/(x-x) */
feraiseexcept (FE_DIVBYZERO);
return __kernel_standard_f (x, x, 108);
}
else if (_LIB_VERSION != _POSIX_)
/* y0(x>X_TLOSS) */
return __kernel_standard_f (x, x, 135);
}
return __ieee754_y0f (x);
}
compat_symbol (libm, __y0f_svid, y0f, GLIBC_2_0);
#endif