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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/m68k/bits
parentda1067a9154c3125a4274e1d039dd5b2d3aa953c (diff)
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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/m68k/bits')
-rw-r--r--sysdeps/m68k/bits/huge_val.h35
1 files changed, 26 insertions, 9 deletions
diff --git a/sysdeps/m68k/bits/huge_val.h b/sysdeps/m68k/bits/huge_val.h
index 822b82930b..14c0855ab1 100644
--- a/sysdeps/m68k/bits/huge_val.h
+++ b/sysdeps/m68k/bits/huge_val.h
@@ -1,6 +1,6 @@
/* `HUGE_VAL' constants for m68k (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
@@ -30,11 +30,19 @@
#ifdef __GNUC__
-# define HUGE_VAL \
+# if __GNUC_PREREQ(2,95)
+
+# define HUGE_VAL (0x1.0p2047)
+
+# else
+
+# define HUGE_VAL \
(__extension__ \
((union { unsigned long long __l; double __d; }) \
{ __l: 0x7ff0000000000000ULL }).__d)
+# endif
+
#else /* not GCC */
static union { unsigned char __c[8]; double __d; } __huge_val =
@@ -48,28 +56,37 @@ static union { unsigned char __c[8]; double __d; } __huge_val =
#ifdef __USE_ISOC9X
-# ifdef __GNUC__
+# if __GNUC_PREREQ(2,95)
-# define HUGE_VALF \
+# define HUGE_VALF (0x1.0p255f)
+# define HUGE_VALL (0x1.0p32767L)
+
+# else
+
+# ifdef __GNUC__
+
+# define HUGE_VALF \
(__extension__ \
((union { unsigned long __l; float __f; }) \
{ __l: 0x7f800000UL }).__f)
-# define HUGE_VALL \
+# define HUGE_VALL \
(__extension__ \
((union { unsigned long __l[3]; long double __ld; }) \
{ __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld)
-# else /* not GCC */
+# else /* not GCC */
static union { unsigned char __c[4]; float __f; } __huge_valf =
{ { 0x7f, 0x80, 0, 0 } };
-# define HUGE_VALF (__huge_valf.__f)
+# define HUGE_VALF (__huge_valf.__f)
static union { unsigned char __c[12]; long double __ld; } __huge_vall =
{ { 0x7f, 0xff, 0, 0, 0x80, 0, 0, 0, 0, 0, 0, 0 } };
-# define HUGE_VALL (__huge_vall.__ld)
+# define HUGE_VALL (__huge_vall.__ld)
+
+# endif /* GCC. */
-# endif /* GCC. */
+# endif /* GCC 2.95. */
#endif /* __USE_ISOC9X. */