mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-01 17:30:07 +00:00
6e30181b4a
Add #define AS_FLOAT_CONSTANT_1(x) x##f #define AS_FLOAT_CONSTANT(x) AS_FLOAT_CONSTANT_1(x) to cast X_TLOSS to float at compile-time to fix: FAIL: math/test-float-j0 FAIL: math/test-float-jn FAIL: math/test-float-y0 FAIL: math/test-float-y1 FAIL: math/test-float-yn FAIL: math/test-float32-j0 FAIL: math/test-float32-jn FAIL: math/test-float32-y0 FAIL: math/test-float32-y1 FAIL: math/test-float32-yn when compiling with GCC 12. Reviewed-by: Paul Zimmermann <Paul.Zimmermann@inria.fr>
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* Copyright (C) 2011-2021 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>
|
|
|
|
|
|
#if LIBM_SVID_COMPAT
|
|
/* wrapper jnf */
|
|
float
|
|
__jnf (int n, float x)
|
|
{
|
|
if (__builtin_expect (isgreater (fabsf (x),
|
|
AS_FLOAT_CONSTANT (X_TLOSS)), 0)
|
|
&& _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_)
|
|
/* jn(n,|x|>X_TLOSS) */
|
|
return __kernel_standard_f (n, x, 138);
|
|
|
|
return __ieee754_jnf (n, x);
|
|
}
|
|
libm_alias_float (__jn, jn)
|
|
|
|
|
|
/* wrapper ynf */
|
|
float
|
|
__ynf (int n, 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 (n, x, 113);
|
|
}
|
|
else if (x == 0.0)
|
|
{
|
|
/* d = -one/(x-x) */
|
|
feraiseexcept (FE_DIVBYZERO);
|
|
return __kernel_standard_f (n, x, 112);
|
|
}
|
|
else if (_LIB_VERSION != _POSIX_)
|
|
/* yn(n,x>X_TLOSS) */
|
|
return __kernel_standard_f (n, x, 139);
|
|
}
|
|
|
|
return __ieee754_ynf (n, x);
|
|
}
|
|
libm_alias_float (__yn, yn)
|
|
#endif
|