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authorRichard Henderson <rth@redhat.com>2004-03-15 21:44:11 +0000
committerRichard Henderson <rth@redhat.com>2004-03-15 21:44:11 +0000
commita86573f4715e5f9638a8ae5e298203dbed7481b9 (patch)
treec2ebbf0b4002f462bba72a040cf3f4ae343419b5 /sysdeps/ieee754
parente3b22ad379f53950da7edf8d63d9f44e4d55d51c (diff)
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* math/Makefile (headers): Add bits/huge_valf.h, bits/huge_vall.h, and bits/inf.h. * math/math.h: Include them.
* sysdeps/alpha/fpu/bits/mathdef.h, sysdeps/arm/fpu/bits/mathdef.h, sysdeps/generic/bits/mathdef.h, sysdeps/i386/fpu/bits/mathdef.h, sysdeps/ia64/fpu/bits/mathdef.h, sysdeps/m68k/fpu/bits/mathdef.h, sysdeps/mips/fpu/bits/mathdef.h, sysdeps/powerpc/fpu/bits/mathdef.h, sysdeps/sh/sh4/fpu/bits/mathdef.h, sysdeps/sparc/fpu/bits/mathdef.h, sysdeps/x86_64/fpu/bits/mathdef.h: Remove INFINITY. * sysdeps/arm/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val. (HUGE_VALF, HUGE_VALL): Remove. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/sh/bits/huge_val.h: Likewise. * sysdeps/generic/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val. * sysdeps/generic/bits/huge_valf.h: New file. * sysdeps/generic/bits/huge_vall.h: New file. * sysdeps/generic/bits/inf.h: New file. * sysdeps/ieee754/bits/huge_valf.h: New file. * sysdeps/ieee754/bits/inf.h: New file. * sysdeps/i386/bits/huge_val.h: Remove file. * sysdeps/i386/bits/huge_vall.h: New file. * sysdeps/ia64/bits/huge_val.h: Remove file. * sysdeps/ia64/bits/huge_vall.h: New file. * sysdeps/ieee754/ldbl-128/bits/huge_vall.h: New file. * sysdeps/m68k/bits/huge_val.h: Remove file. * sysdeps/m68k/bits/huge_vall.h: New file. * sysdeps/s390/bits/huge_val.h: Remove file. * sysdeps/sh/sh4/fpu/bits/huge_val.h: Remove file. * sysdeps/sparc/bits/huge_vall.h: New file. * sysdeps/sparc/sparc32/fpu/bits/huge_val.h: Remove file. * sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Remove file. * sysdeps/ieee754/bits/nan.h (NAN): Use __builtin_nanf. * sysdeps/mips/bits/nan.h (NAN): Likewise. 2004-03-15 Richard Henderson <rth@redhat.com> * math/Makefile (headers): Add bits/huge_valf.h, bits/huge_vall.h, and bits/inf.h. * math/math.h: Include them. * sysdeps/alpha/fpu/bits/mathdef.h, sysdeps/arm/fpu/bits/mathdef.h, sysdeps/generic/bits/mathdef.h, sysdeps/i386/fpu/bits/mathdef.h, sysdeps/ia64/fpu/bits/mathdef.h, sysdeps/m68k/fpu/bits/mathdef.h, sysdeps/mips/fpu/bits/mathdef.h, sysdeps/powerpc/fpu/bits/mathdef.h, sysdeps/sh/sh4/fpu/bits/mathdef.h, sysdeps/sparc/fpu/bits/mathdef.h, sysdeps/x86_64/fpu/bits/mathdef.h: Remove INFINITY. * sysdeps/arm/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val. (HUGE_VALF, HUGE_VALL): Remove. * sysdeps/ieee754/bits/huge_val.h: Likewise. * sysdeps/sh/bits/huge_val.h: Likewise. * sysdeps/generic/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val. * sysdeps/generic/bits/huge_valf.h: New file. * sysdeps/generic/bits/huge_vall.h: New file. * sysdeps/generic/bits/inf.h: New file. * sysdeps/ieee754/bits/huge_valf.h: New file. * sysdeps/ieee754/bits/inf.h: New file. * sysdeps/i386/bits/huge_val.h: Remove file. * sysdeps/i386/bits/huge_vall.h: New file. * sysdeps/ia64/bits/huge_val.h: Remove file. * sysdeps/ia64/bits/huge_vall.h: New file. * sysdeps/ieee754/ldbl-128/bits/huge_vall.h: New file. * sysdeps/m68k/bits/huge_val.h: Remove file. * sysdeps/m68k/bits/huge_vall.h: New file. * sysdeps/s390/bits/huge_val.h: Remove file. * sysdeps/sh/sh4/fpu/bits/huge_val.h: Remove file. * sysdeps/sparc/bits/huge_vall.h: New file. * sysdeps/sparc/sparc32/fpu/bits/huge_val.h: Remove file. * sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Remove file. * sysdeps/ieee754/bits/nan.h (NAN): Use __builtin_nanf. * sysdeps/mips/bits/nan.h (NAN): Likewise.
Diffstat (limited to 'sysdeps/ieee754')
-rw-r--r--sysdeps/ieee754/bits/huge_val.h66
-rw-r--r--sysdeps/ieee754/bits/huge_valf.h53
-rw-r--r--sysdeps/ieee754/bits/inf.h30
-rw-r--r--sysdeps/ieee754/bits/nan.h8
-rw-r--r--sysdeps/ieee754/ldbl-128/bits/huge_vall.h51
5 files changed, 149 insertions, 59 deletions
diff --git a/sysdeps/ieee754/bits/huge_val.h b/sysdeps/ieee754/bits/huge_val.h
index b339743..11ca11f 100644
--- a/sysdeps/ieee754/bits/huge_val.h
+++ b/sysdeps/ieee754/bits/huge_val.h
@@ -1,6 +1,7 @@
-/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
+/* `HUGE_VAL' constant for IEEE 754 machines (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
- Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000, 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
@@ -22,25 +23,19 @@
# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
#endif
-#include <features.h>
-
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
-#ifdef __GNUC__
-
-# if __GNUC_PREREQ(2,96)
-
-# define HUGE_VAL (__extension__ 0x1.0p2047)
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VAL (__builtin_huge_val())
+#elif __GNUC_PREREQ(2,96)
+# define HUGE_VAL (__extension__ 0x1.0p2047)
+#elif defined __GNUC__
-# else
-
-# define HUGE_VAL \
+# define HUGE_VAL \
(__extension__ \
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
{ __l: 0x7ff0000000000000ULL }).__d)
-# endif
-
#else /* not GCC */
# include <endian.h>
@@ -58,46 +53,3 @@ static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
# define HUGE_VAL (__huge_val.__d)
#endif /* GCC. */
-
-
-/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
-
-#ifdef __USE_ISOC99
-
-# ifdef __GNUC__
-
-# if __GNUC_PREREQ(2,96)
-
-# define HUGE_VALF (__extension__ 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;
-
-# if __BYTE_ORDER == __BIG_ENDIAN
-# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
-# endif
-# if __BYTE_ORDER == __LITTLE_ENDIAN
-# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
-# endif
-
-static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
-# define HUGE_VALF (__huge_valf.__f)
-
-# endif /* GCC. */
-
-
-/* Generally there is no separate `long double' format and it is the
- same as `double'. */
-# define HUGE_VALL HUGE_VAL
-
-#endif /* __USE_ISOC99. */
diff --git a/sysdeps/ieee754/bits/huge_valf.h b/sysdeps/ieee754/bits/huge_valf.h
new file mode 100644
index 0000000..1785342
--- /dev/null
+++ b/sysdeps/ieee754/bits/huge_valf.h
@@ -0,0 +1,53 @@
+/* `HUGE_VALF' constant for IEEE 754 machines (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000, 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/huge_valf.h> directly; include <math.h> instead."
+#endif
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
+
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VALF (__builtin_huge_valf())
+#elif __GNUC_PREREQ(2,96)
+# define HUGE_VALF (__extension__ 0x1.0p255f)
+#elif defined __GNUC__
+
+# define HUGE_VALF \
+ (__extension__ \
+ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) \
+ { __l: 0x7f800000UL }).__d)
+
+#else /* not GCC */
+
+typedef union { unsigned char __c[4]; float __f; } __huge_valf_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
+# endif
+
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+# define HUGE_VALF (__huge_valf.__f)
+
+#endif /* GCC. */
diff --git a/sysdeps/ieee754/bits/inf.h b/sysdeps/ieee754/bits/inf.h
new file mode 100644
index 0000000..1619f75
--- /dev/null
+++ b/sysdeps/ieee754/bits/inf.h
@@ -0,0 +1,30 @@
+/* `INFINITY' constant for IEEE 754 machines.
+ 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/inf.h> directly; include <math.h> instead."
+#endif
+
+/* IEEE positive infinity. */
+
+#if __GNUC_PREREQ(3,3)
+# define INFINITY (__builtin_inff())
+#else
+# define INFINITY HUGE_VALF
+#endif
diff --git a/sysdeps/ieee754/bits/nan.h b/sysdeps/ieee754/bits/nan.h
index 6d88b55..95de220 100644
--- a/sysdeps/ieee754/bits/nan.h
+++ b/sysdeps/ieee754/bits/nan.h
@@ -1,5 +1,5 @@
/* `NAN' constant for IEEE 754 machines.
- Copyright (C) 1992, 1996, 1997, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1996, 1997, 1999, 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
@@ -24,7 +24,11 @@
/* IEEE Not A Number. */
-#ifdef __GNUC__
+#if __GNUC_PREREQ(3,3)
+
+# define NAN (__builtin_nanf(""))
+
+#elif defined__GNUC__
# define NAN \
(__extension__ \
diff --git a/sysdeps/ieee754/ldbl-128/bits/huge_vall.h b/sysdeps/ieee754/ldbl-128/bits/huge_vall.h
new file mode 100644
index 0000000..d22a949
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128/bits/huge_vall.h
@@ -0,0 +1,51 @@
+/* `HUGE_VALL' constant for IEEE 754 machines (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ Copyright (C) 1992, 1995, 1996, 1997, 1999, 2000, 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/huge_vall.h> directly; include <math.h> instead."
+#endif
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
+
+#if __GNUC_PREREQ(3,3)
+# define HUGE_VALL (__builtin_huge_vall())
+#elif __GNUC_PREREQ(2,96)
+# define HUGE_VALL (__extension__ 0x1.0p32767L)
+#else
+# include <endian.h>
+
+typedef union { unsigned char __c[16]; long double __ld; } __huge_vall_t;
+
+# if __BYTE_ORDER == __BIG_ENDIAN
+# define __HUGE_VALL_bytes { 0x7f, 0xff, 0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
+# endif
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __HUGE_VALL_bytes { 0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0xff, 0x7f }
+# endif
+
+# ifdef __GNUC__
+# define HUGE_VALL (__extension__ \
+ ((__huge_vall_t) { __c : __HUGE_VALL_bytes }).__ld)
+# else
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+# define HUGE_VALL (__huge_val.__d)
+# endif
+#endif