aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/ieee754
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1999-08-24 20:40:44 +0000
committerUlrich Drepper <drepper@redhat.com>1999-08-24 20:40:44 +0000
commit52cf7d345d34e59973a8cc04773bdc1f9ba39421 (patch)
tree1ef2f778718c17af739761798c357666308b1bc4 /sysdeps/ieee754
parentda1067a9154c3125a4274e1d039dd5b2d3aa953c (diff)
downloadglibc-52cf7d345d34e59973a8cc04773bdc1f9ba39421.tar
glibc-52cf7d345d34e59973a8cc04773bdc1f9ba39421.tar.gz
glibc-52cf7d345d34e59973a8cc04773bdc1f9ba39421.tar.bz2
glibc-52cf7d345d34e59973a8cc04773bdc1f9ba39421.zip
Update.
* misc/libgen.h: Don't take basename macro as taking arguments. * sysdeps/arm/bits/huge_val.h: Use hexadecimal floating-point constants for gcc >= 2.95. * sysdeps/i386/bits/huge_val.h: Likewise. * sysdeps/i386/bits/huge_val.h: Likewise. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/m68k/bits/huge_val.h: Likewise. * sysdeps/sparc/sparc32/fpu/bits/huge_val.h: Likewise. * sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Likewise.
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r--sysdeps/ieee754/bits/huge_val.h22
1 files changed, 19 insertions, 3 deletions
diff --git a/sysdeps/ieee754/bits/huge_val.h b/sysdeps/ieee754/bits/huge_val.h
index f49d65661a..f42cb662cc 100644
--- a/sysdeps/ieee754/bits/huge_val.h
+++ b/sysdeps/ieee754/bits/huge_val.h
@@ -1,6 +1,6 @@
/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
- Copyright (C) 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1995, 1996, 1997, 1999 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
@@ -28,11 +28,19 @@
#ifdef __GNUC__
-# define HUGE_VAL \
+# if __GNUC_PREREQ(2,95)
+
+# define HUGE_VAL (0x1.0p2047)
+
+# else
+
+# define HUGE_VAL \
(__extension__ \
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
{ __l: 0x7ff0000000000000ULL }).__d)
+# endif
+
#else /* not GCC */
# include <endian.h>
@@ -58,11 +66,19 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
# ifdef __GNUC__
-# define HUGE_VALF \
+# if __GNUC_PREREQ(2,95)
+
+# define HUGE_VALF (0x1.0p255f)
+
+# else
+
+# define HUGE_VALF \
(__extension__ \
((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
{ __l: 0x7f800000UL }).__d)
+# endif
+
# else /* not GCC */
typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;