glibc/sysdeps/s390/bits/huge_val.h

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Update. 2000-08-02 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/s390/Dist: New file. * sysdeps/unix/sysv/linux/s390/sysdep.h: New file. * sysdeps/unix/sysv/linux/s390/sysdep.S: New file. * sysdeps/unix/sysv/linux/s390/syscall.S: New file. * sysdeps/unix/sysv/linux/s390/sys/user.h: New file. * sysdeps/unix/sysv/linux/s390/sys/ucontext.h: New file. * sysdeps/unix/sysv/linux/s390/sys/ptrace.h: New file. * sysdeps/unix/sysv/linux/s390/sys/elf.h: New file. * sysdeps/unix/sysv/linux/s390/socket.S: New file. * sysdeps/unix/sysv/linux/s390/sigcontextinfo.h: New file. * sysdeps/unix/sysv/linux/s390/shmctl.c: New file. * sysdeps/unix/sysv/linux/s390/setreuid.c: New file. * sysdeps/unix/sysv/linux/s390/setresuid.c: New file. * sysdeps/unix/sysv/linux/s390/setresgid.c: New file. * sysdeps/unix/sysv/linux/s390/setregid.c: New file. * sysdeps/unix/sysv/linux/s390/setgroups.c: New file. * sysdeps/unix/sysv/linux/s390/setgid.c: New file. * sysdeps/unix/sysv/linux/s390/setfsuid.c: New file. * sysdeps/unix/sysv/linux/s390/setfsgid.c: New file. * sysdeps/unix/sysv/linux/s390/seteuid.c: New file. * sysdeps/unix/sysv/linux/s390/setegid.c: New file. * sysdeps/unix/sysv/linux/s390/semctl.c: New file. * sysdeps/unix/sysv/linux/s390/register-dump.h: New file. * sysdeps/unix/sysv/linux/s390/putpmsg.c: New file. * sysdeps/unix/sysv/linux/s390/putmsg.c: New file. * sysdeps/unix/sysv/linux/s390/profil-counter.h: New file. * sysdeps/unix/sysv/linux/s390/msgctl.c: New file. * sysdeps/unix/sysv/linux/s390/mmap.S: New file. * sysdeps/unix/sysv/linux/s390/getuid.c: New file. * sysdeps/unix/sysv/linux/s390/getresuid.c: New file. * sysdeps/unix/sysv/linux/s390/getresgid.c: New file. * sysdeps/unix/sysv/linux/s390/getpmsg.c: New file. * sysdeps/unix/sysv/linux/s390/getmsg.c: New file. * sysdeps/unix/sysv/linux/s390/getgroups.c: New file. * sysdeps/unix/sysv/linux/s390/getegid.c: New file. * sysdeps/unix/sysv/linux/s390/geteuid.c: New file. * sysdeps/unix/sysv/linux/s390/fchown.c: New file. * sysdeps/unix/sysv/linux/s390/clone.S: New file. * sysdeps/unix/sysv/linux/s390/brk.c: New file. * sysdeps/unix/sysv/linux/s390/bits/time.h: New file. * sysdeps/unix/sysv/linux/s390/bits/resource.h: New file. * sysdeps/unix/sysv/linux/s390/bits/mman.h: New file. * sysdeps/unix/sysv/linux/s390/bits/fcntl.h: New file. * sysdeps/unix/sysv/linux/s390/Makefile: New file. * sysdeps/s390/sysdep.h: New file. * sysdeps/s390/sys/ucontext.h: New file. * sysdeps/s390/sub_n.S: New file. * sysdeps/s390/strncpy.S: New file. * sysdeps/s390/strcpy.S: New file. * sysdeps/s390/stackinfo.h: New file. * sysdeps/s390/setjmp.S: New file. * sysdeps/s390/s390-mcount.S: New file. * sysdeps/s390/mul_1.S: New file. * sysdeps/s390/memusage.h: New file. * sysdeps/s390/memset.S: New file. * sysdeps/s390/memcpy.S: New file. * sysdeps/s390/memchr.S: New file. * sysdeps/s390/machine-gmon.h: New file. * sysdeps/s390/ldbl2mpn.c: New file. * sysdeps/s390/gmp-mparam.h: New file. * sysdeps/s390/fpu/fpu_control.h: New file. * sysdeps/s390/fpu/fesetround.c: New file. * sysdeps/s390/fpu/fegetround.c: New file. * sysdeps/s390/fpu/fclrexcpt.c: New file. * sysdeps/s390/fpu/bits/fenv.h: New file. * sysdeps/s390/ffs.c: New file. * sysdeps/s390/elf/start.S: New file. * sysdeps/s390/elf/setjmp.S: New file. * sysdeps/s390/elf/bsd-setjmp.S: New file. * sysdeps/s390/elf/bsd-_setjmp.S: New file. * sysdeps/s390/dl-machine.h: New file. * sysdeps/s390/bzero.S: New file. * sysdeps/s390/bsd-setjmp.S: New file. * sysdeps/s390/bsd-_setjmp.S: New file. * sysdeps/s390/bits/string.h: New file. * sysdeps/s390/bits/setjmp.h: New file. * sysdeps/s390/bits/huge_val.h: New file. * sysdeps/s390/bits/endian.h: New file. * sysdeps/s390/bits/byteswap.h: New file. * sysdeps/s390/bcopy.S: New file. * sysdeps/s390/backtrace.c: New file. * sysdeps/s390/atomicity.h: New file. * sysdeps/s390/asm-syntax.h: New file. * sysdeps/s390/addmul_1.S: New file. * sysdeps/s390/add_n.S: New file. * sysdeps/s390/abort-instr.h: New file. * sysdeps/s390/__longjmp.c: New file. * sysdeps/s390/Makefile: New file. * sysdeps/s390/Implies: New file. * sysdeps/s390/Dist: New file. Patches by Martin Schwidefsky <schwidefsky@de.ibm.com>.
2000-08-02 15:15:00 +00:00
/* `HUGE_VAL' constants for s390 (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 2000 Free Software Foundation, Inc.
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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/huge_val.h> directly; include <math.h> instead."
#endif
#include <features.h>
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
#if __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 0x1.0p2047)
#else
#define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
#define __huge_val_t union { unsigned char __c[8]; double __d; }
#ifdef __GNUC__
# define HUGE_VAL (__extension__ \
((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
#else /* Not GCC. */
static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
# define HUGE_VAL (__huge_val.__d)
#endif /* GCC. */
#endif /* GCC 2.95 */
/* ISO C 99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
#ifdef __USE_ISOC99
# if __GNUC_PREREQ(2,96)
# define HUGE_VALF (__extension__ 0x1.0p255f)
# define HUGE_VALL (__extension__ 0x1.0p255f)
# else
# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
# define __huge_valf_t union { unsigned char __c[4]; float __f; }
# ifdef __GNUC__
# define HUGE_VALF (__extension__ \
((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
# else /* Not GCC. */
static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
# define HUGE_VALF (__huge_valf.__f)
# endif /* GCC. */
/* On 390 there is no 'long double' format. Make it the same as 'double' */
# define HUGE_VALL HUGE_VAL
# endif /* GCC 2.95 */
#endif /* __USE_ISOC99. */