mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 22:00:08 +00:00
fea3f995bd
* math/multc3.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/Makefile [$(subdir) = math] (libm-routines): Add multc3, divtc3. * sysdeps/unix/sysv/linux/sparc/sparc32/fpu/Implies: New file. * sysdeps/sparc/sparc32/fpu/s_fabsl.c: Include math.h and math_ldbl_opt.h. (fabsl): Use long_double_symbol instead of weak_alias. * sysdeps/sparc/sparc32/fpu/s_fabs.c: Include math.h and math_ldbl_opt.h. [LONG_DOUBLE_COMPAT] (fabsl): Add compat_symbol. 2006-01-31 Martin Schwidefsky <schwidefsky@de.ibm.com> Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/s390/Implies: New file. * sysdeps/unix/sysv/linux/s390/fpu/Implies: New file. * sysdeps/unix/sysv/linux/s390/nldbl-abi.h: New file. * sysdeps/s390/fpu/bits/mathinline.h (signbitl, sqrtl): New inlines. * sysdeps/s390/bits/mathdef.h: New file. * sysdeps/s390/fpu/e_sqrtl.c: New file. * sysdeps/s390/s390-32/bits/wordsize.h (__LONG_DOUBLE_MATH_OPTIONAL, __NO_LONG_DOUBLE_MATH): Define. * sysdeps/s390/s390-64/bits/wordsize.h: Likewise. * sysdeps/s390/Implies: Add ieee754/ldbl-128. * sysdeps/s390/ldbl2mpn.c: File removed. * sysdeps/s390/fpu/libm-test-ulps: Updated. 2006-01-31 Roland McGrath <roland@redhat.com> * sysdeps/alpha/fpu/bits/mathdef.h: Moved to ... * sysdeps/alpha/bits/mathdef.h: ... here. * sysdeps/i386/fpu/bits/mathdef.h: Moved to ... * sysdeps/i386/bits/mathdef.h: ... here. * sysdeps/mips/fpu/bits/mathdef.h: Moved to ... * sysdeps/mips/bits/mathdef.h: ... here. * sysdeps/m68k/fpu/bits/mathdef.h: Moved to ... * sysdeps/m68k/bits/mathdef.h: ... here. * sysdeps/powerpc/fpu/bits/mathdef.h: Moved to ... * sysdeps/powerpc/bits/mathdef.h: ... here. * sysdeps/sparc/fpu/bits/mathdef.h: Moved to ... * sysdeps/sparc/bits/mathdef.h: ... here. * sysdeps/ia64/fpu/bits/mathdef.h: Moved to ... * sysdeps/ia64/bits/mathdef.h: ... here. * sysdeps/sh/sh4/fpu/bits/mathdef.h: Moved to ... * sysdeps/sh/sh4/bits/mathdef.h: ... here. * sysdeps/x86_64/fpu/bits/mathdef.h: Moved to ... * sysdeps/x86_64/bits/mathdef.h: ... here. 2006-01-31 Jakub Jelinek <jakub@redhat.com>
102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
/* Inline math functions for s390.
|
|
Copyright (C) 2004 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#ifndef _MATH_H
|
|
# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
# define __MATH_INLINE __inline
|
|
#else
|
|
# define __MATH_INLINE extern __inline
|
|
#endif
|
|
|
|
#if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
|
|
&& defined __OPTIMIZE__
|
|
|
|
#ifdef __USE_ISOC99
|
|
|
|
/* Test for negative number. Used in the signbit() macro. */
|
|
__MATH_INLINE int
|
|
__NTH (__signbitf (float __x))
|
|
{
|
|
__extension__ union { float __f; int __i; } __u = { __f: __x };
|
|
return __u.__i < 0;
|
|
}
|
|
|
|
__MATH_INLINE int
|
|
__NTH (__signbit (double __x))
|
|
{
|
|
__extension__ union { double __d; long __i; } __u = { __d: __x };
|
|
return __u.__i < 0;
|
|
}
|
|
|
|
# ifndef __NO_LONG_DOUBLE_MATH
|
|
__MATH_INLINE int
|
|
__NTH (__signbitl (long double __x))
|
|
{
|
|
__extension__ union { long double __l; int __i[4]; } __u = { __l: __x };
|
|
return __u.__i[0] < 0;
|
|
}
|
|
# else
|
|
__MATH_INLINE int
|
|
__NTH (__signbitl (long double __x))
|
|
{
|
|
return __signbit ((double) __x);
|
|
}
|
|
# endif
|
|
|
|
#endif /* C99 */
|
|
|
|
/* This code is used internally in the GNU libc. */
|
|
#ifdef __LIBC_INTERNAL_MATH_INLINES
|
|
|
|
__MATH_INLINE double
|
|
__NTH (__ieee754_sqrt (double x))
|
|
{
|
|
double res;
|
|
|
|
asm ( "sqdbr %0,%1" : "=f" (res) : "f" (x) );
|
|
return res;
|
|
}
|
|
|
|
__MATH_INLINE float
|
|
__NTH (__ieee754_sqrtf (float x))
|
|
{
|
|
float res;
|
|
|
|
asm ( "sqebr %0,%1" : "=f" (res) : "f" (x) );
|
|
return res;
|
|
}
|
|
|
|
# if !defined __NO_LONG_DOUBLE_MATH
|
|
__MATH_INLINE long double
|
|
__NTH (sqrtl (long double __x))
|
|
{
|
|
long double res;
|
|
|
|
asm ( "sqxbr %0,%1" : "=f" (res) : "f" (__x) );
|
|
return res;
|
|
}
|
|
# endif /* !__NO_LONG_DOUBLE_MATH */
|
|
|
|
#endif /* __LIBC_INTERNAL_MATH_INLINES */
|
|
|
|
#endif /* __NO_MATH_INLINES */
|