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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.

Browse Source 
* 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.
This commit is contained in:
Richard Henderson 2004-03-15 21:44:11 +00:00
parent e3b22ad379
commit a86573f471
42 changed files with 607 additions and 932 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
ChangeLog
View File

@ -1,3 +1,43 @@
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.
2004-03-15 Ulrich Drepper <drepper@redhat.com>
* stdio-common/vfscanf.c: Simplify error handling macros. Use

9
bits/huge_val.h
View File

@ -1,6 +1,6 @@
/* Stub `HUGE_VAL' constant.
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1992, 1996, 1997, 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
@ -22,5 +22,8 @@
# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
#endif
#define HUGE_VAL 1e37
#if __GNUC_PREREQ(3,3)
# define HUGE_VAL (__builtin_huge_val())
#else
# define HUGE_VAL 1e37
#endif

29
bits/huge_valf.h Normal file
View File

@ -0,0 +1,29 @@
/* Stub `HUGE_VALF' constant.
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 1992, 1996, 1997, 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
#if __GNUC_PREREQ(3,3)
# define HUGE_VALF (__builtin_huge_valf())
#else
# define HUGE_VALF 1e37f
#endif

29
bits/huge_vall.h Normal file
View File

@ -0,0 +1,29 @@
/* Default `HUGE_VALL' constant.
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 1992, 1996, 1997, 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
#if __GNUC_PREREQ(3,3)
# define HUGE_VALL (__builtin_huge_vall())
#else
# define HUGE_VALL ((long double) HUGE_VAL)
#endif

33
bits/inf.h Normal file
View File

@ -0,0 +1,33 @@
/* Default `INFINITY' constant.
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
/* If we don't have real infinity, then we're supposed to produce a float
value that overflows at translation time, which is required to produce
a diagnostic. GCC's __builtin_inff produces a quite nice diagnostic
that tells the user that the target doesn't support infinities. */
#if __GNUC_PREREQ(3,3)
# define INFINITY (__builtin_inff())
#else
# define INFINITY (1e9999f)
#endif

6
bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 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
@ -30,10 +30,6 @@ typedef double float_t; /* `float' expressions are evaluated as
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN 2147483647

5
math/Makefile
View File

@ -22,8 +22,9 @@ subdir := math
# Installed header files.
headers := math.h bits/mathcalls.h bits/mathinline.h bits/huge_val.h \
bits/nan.h fpu_control.h complex.h bits/cmathcalls.h \
fenv.h bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h
bits/huge_valf.h bits/huge_vall.h bits/inf.h bits/nan.h \
fpu_control.h complex.h bits/cmathcalls.h fenv.h \
bits/fenv.h bits/fenvinline.h bits/mathdef.h tgmath.h
# Internal header files.
distribute := math_ldbl.h math_private.h machine/asm.h

11
math/math.h
View File

@ -31,15 +31,20 @@ __BEGIN_DECLS
/* Get machine-dependent HUGE_VAL value (returned on overflow).
On all IEEE754 machines, this is +Infinity. */
#include <bits/huge_val.h>
#ifdef __USE_ISOC99
# include <bits/huge_valf.h>
# include <bits/huge_vall.h>
/* Get machine-dependent INFINITY value. */
# include <bits/inf.h>
/* Get machine-dependent NAN value (returned for some domain errors). */
#ifdef __USE_ISOC99
# include <bits/nan.h>
#endif
#endif /* __USE_ISOC99 */
/* Get general and ISO C99 specific information. */
#include <bits/mathdef.h>
/* The file <bits/mathcalls.h> contains the prototypes for all the
actual math functions. These macros are used for those prototypes,
so we can easily declare each function as both `name' and `__name',

12
sysdeps/alpha/fpu/bits/mathdef.h
View File

@ -1,4 +1,5 @@
/* Copyright (C) 1997, 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 1999, 2000, 2003, 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
@ -33,18 +34,12 @@
typedef float float_t;
typedef double double_t;
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# else
/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
typedef double float_t;
typedef double double_t;
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# endif
# else
@ -52,9 +47,6 @@ typedef double double_t;
typedef double float_t;
typedef double double_t;
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# endif
/* The values returned by `ilogb' for 0 and NaN respectively. */

66
sysdeps/arm/bits/huge_val.h
View File

@ -1,7 +1,8 @@
/* `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.
ARM version.
Copyright (C) 1992, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
Copyright (C) 1992, 95, 96, 97, 98, 99, 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
@ -23,25 +24,19 @@
# 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(3,3)
# define HUGE_VAL (__builtin_huge_val())
#elif __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 0x1.0p2047)
#elif defined __GNUC__
# if __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 0x1.0p2047)
# else
# define HUGE_VAL \
# define HUGE_VAL \
(__extension__ \
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
{ __l: 0x000000007ff00000ULL }).__d)
# endif
#else /* not GCC */
# include <endian.h>
@ -59,46 +54,3 @@ 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. */

6
sysdeps/arm/fpu/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 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
@ -29,10 +29,6 @@ typedef float float_t; /* `float' expressions are evaluated as
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN (2147483647)

9
sysdeps/generic/bits/huge_val.h
View File

@ -1,6 +1,6 @@
/* Stub `HUGE_VAL' constant.
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 1992, 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1992, 1996, 1997, 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
@ -22,5 +22,8 @@
# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
#endif
#define HUGE_VAL 1e37
#if __GNUC_PREREQ(3,3)
# define HUGE_VAL (__builtin_huge_val())
#else
# define HUGE_VAL 1e37
#endif

29
sysdeps/generic/bits/huge_valf.h Normal file
View File

@ -0,0 +1,29 @@
/* Stub `HUGE_VALF' constant.
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 1992, 1996, 1997, 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
#if __GNUC_PREREQ(3,3)
# define HUGE_VALF (__builtin_huge_valf())
#else
# define HUGE_VALF 1e37f
#endif

29
sysdeps/generic/bits/huge_vall.h Normal file
View File

@ -0,0 +1,29 @@
/* Default `HUGE_VALL' constant.
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 1992, 1996, 1997, 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
#if __GNUC_PREREQ(3,3)
# define HUGE_VALL (__builtin_huge_vall())
#else
# define HUGE_VALL ((long double) HUGE_VAL)
#endif

33
sysdeps/generic/bits/inf.h Normal file
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@ -0,0 +1,33 @@
/* Default `INFINITY' constant.
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
/* If we don't have real infinity, then we're supposed to produce a float
value that overflows at translation time, which is required to produce
a diagnostic. GCC's __builtin_inff produces a quite nice diagnostic
that tells the user that the target doesn't support infinities. */
#if __GNUC_PREREQ(3,3)
# define INFINITY (__builtin_inff())
#else
# define INFINITY (1e9999f)
#endif

6
sysdeps/generic/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 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
@ -30,10 +30,6 @@ typedef double float_t; /* `float' expressions are evaluated as
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN 2147483647

81
sysdeps/i386/bits/huge_val.h
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@ -1,81 +0,0 @@
/* `HUGE_VAL' constants for ix86 (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.
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_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 { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
# 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 C99 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__ 0x1.0p32767L)
# else
# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
# 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. */
# define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0 }
# define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
# ifdef __GNUC__
# define HUGE_VALL (__extension__ \
((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
# else /* Not GCC. */
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
# define HUGE_VALL (__huge_vall.__ld)
# endif /* GCC. */
# endif /* GCC 2.95 */
#endif /* __USE_ISOC99. */

43
sysdeps/i386/bits/huge_vall.h Normal file
View File

@ -0,0 +1,43 @@
/* `HUGE_VALL' constant for ix86 (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
#if __GNUC_PREREQ(3,3)
# define HUGE_VALL (__builtin_huge_vall())
#elif __GNUC_PREREQ(2,96)
# define HUGE_VALL (__extension__ 0x1.0p32767L)
#else
# define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0 }
# define __huge_vall_t union { unsigned char __c[12]; long double __ld; }
# ifdef __GNUC__
# define HUGE_VALL (__extension__ \
((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
# else /* Not GCC. */
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
# define HUGE_VALL (__huge_vall.__ld)
# endif /* GCC. */
#endif /* GCC 2.95 */

5
sysdeps/i386/fpu/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 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
@ -31,9 +31,6 @@ typedef long double float_t; /* `float' expressions are evaluated as
typedef long double double_t; /* `double' expressions are evaluated as
`long double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647 - 1)
# define FP_ILOGBNAN (-2147483647 - 1)

81
sysdeps/ia64/bits/huge_val.h
View File

@ -1,81 +0,0 @@
/* `HUGE_VAL' constants for ia64 (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 2000 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_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 { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
# 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 C99 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__ 0x1.0p32767L)
# else
# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
# 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. */
# define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0, 0, 0, 0 ,0}
# define __huge_vall_t union { unsigned char __c[16]; long double __ld; }
# ifdef __GNUC__
# define HUGE_VALL (__extension__ \
((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
# else /* Not GCC. */
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
# define HUGE_VALL (__huge_vall.__ld)
# endif /* GCC. */
# endif /* GCC 2.95 */
#endif /* __USE_ISOC99. */

42
sysdeps/ia64/bits/huge_vall.h Normal file
View File

@ -0,0 +1,42 @@
/* `HUGE_VALL' constant for ia64 (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 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
#if __GNUC_PREREQ(3,3)
# define HUGE_VALL (__builtin_huge_vall())
#elif __GNUC_PREREQ(2,96)
# define HUGE_VALL (__extension__ 0x1.0p32767L)
#else
# define __HUGE_VALL_bytes { 0,0,0,0,0,0,0, 0x80, 0xff, 0x7f, 0,0,0,0,0,0}
# define __huge_vall_t union { unsigned char __c[16]; long double __ld; }
# ifdef __GNUC__
# define HUGE_VALL (__extension__ \
((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
# else /* Not GCC. */
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
# define HUGE_VALL (__huge_vall.__ld)
# endif /* GCC. */
#endif /* GCC 2.95 */

5
sysdeps/ia64/fpu/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
/* Copyright (C) 2000, 2001, 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
@ -30,9 +30,6 @@ typedef float float_t; /* `float' expressions are evaluated as
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647 - 1)
# define FP_ILOGBNAN 2147483647

66
sysdeps/ieee754/bits/huge_val.h
View File

@ -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(3,3)
# define HUGE_VAL (__builtin_huge_val())
#elif __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 0x1.0p2047)
#elif defined __GNUC__
# if __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 0x1.0p2047)
# 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. */

53
sysdeps/ieee754/bits/huge_valf.h Normal file
View File

@ -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. */

30
sysdeps/ieee754/bits/inf.h Normal file
View File

@ -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

8
sysdeps/ieee754/bits/nan.h
View File

@ -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__ \

51
sysdeps/ieee754/ldbl-128/bits/huge_vall.h Normal file
View File

@ -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

92
sysdeps/m68k/bits/huge_val.h
View File

@ -1,92 +0,0 @@
/* `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, 1999, 2000 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_val.h> directly; include <math.h> instead."
#endif
#include <features.h>
#include <sys/cdefs.h>
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
#ifdef __GNUC__
# if __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 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 =
{ { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } };
# define HUGE_VAL (__huge_val.__d)
#endif /* GCC. */
/* 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__ 0x1.0p32767L)
# else
# ifdef __GNUC__
# define HUGE_VALF \
(__extension__ \
((union { unsigned long __l; float __f; }) \
{ __l: 0x7f800000UL }).__f)
# define HUGE_VALL \
(__extension__ \
((union { unsigned long __l[3]; long double __ld; }) \
{ __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld)
# else /* not GCC */
static union { unsigned char __c[4]; float __f; } __huge_valf =
{ { 0x7f, 0x80, 0, 0 } };
# 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)
# endif /* GCC. */
# endif /* GCC 2.95. */
#endif /* __USE_ISOC99. */

43
sysdeps/m68k/bits/huge_vall.h Normal file
View File

@ -0,0 +1,43 @@
/* `HUGE_VALL' constant for m68k (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_val.h> directly; include <math.h> instead."
#endif
#if __GNUC_PREREQ(3,3)
# define HUGE_VALL (__builtin_huge_vall ())
#elif __GNUC_PREREQ(2,96)
# define HUGE_VALL (__extension__ 0x1.0p32767L)
#elif defined__GNUC__
# define HUGE_VALL \
(__extension__ \
((union { unsigned long __l[3]; long double __ld; }) \
{ __l: { 0x7fff0000UL, 0x80000000UL, 0UL } }).__ld)
#else /* not GCC */
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)
#endif /* GCC 2.95. */

5
sysdeps/m68k/fpu/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 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
@ -31,9 +31,6 @@ typedef long double float_t; /* `float' expressions are evaluated as
typedef long double double_t; /* `double' expressions are evaluated as
`long double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647 - 1)
# define FP_ILOGBNAN (2147483647)

9
sysdeps/mips/bits/nan.h
View File

@ -1,5 +1,6 @@
/* `NAN' constant for IEEE 754 machines.
Copyright (C) 1992, 1996, 1997, 1999, 2002 Free Software Foundation, Inc.
Copyright (C) 1992, 1996, 1997, 1999, 2002, 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
@ -27,7 +28,11 @@
the definition of this open to implementations, and for MIPS the top
bit of the mantissa must be SET to indicate a SNaN. */
#ifdef __GNUC__
#if __GNUC_PREREQ(3,3)
# define NAN (__builtin_nanf(""))
#elif defined __GNUC__
# define NAN \
(__extension__ \

6
sysdeps/mips/fpu/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003
/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@ -31,10 +31,6 @@ typedef double float_t; /* `float' expressions are evaluated as
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647)
# define FP_ILOGBNAN 2147483647

11
sysdeps/powerpc/fpu/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997,1998,1999,2000,2003 Free Software Foundation, Inc.
/* Copyright (C) 1997,1998,1999,2000,2003,2004 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
@ -39,9 +39,6 @@ typedef float float_t; /* `float' expressions are evaluated as
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# else
/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
@ -50,9 +47,6 @@ typedef double float_t; /* `float' expressions are evaluated as
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# endif
# else
@ -60,9 +54,6 @@ typedef double double_t; /* `double' expressions are evaluated as
typedef double float_t;
typedef double double_t;
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# endif
/* The values returned by `ilogb' for 0 and NaN respectively. */

69
sysdeps/s390/bits/huge_val.h
View File

@ -1,69 +0,0 @@
/* `HUGE_VAL' constants for S/390 (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
Copyright (C) 2000, 2001 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 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_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. */

62
sysdeps/sh/bits/huge_val.h
View File

@ -1,7 +1,8 @@
/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
SH version.
Copyright (C) 1992, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
Copyright (C) 1992, 95, 96, 97, 98, 99, 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
@ -23,25 +24,19 @@
# 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)
# else
#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__
# define HUGE_VAL \
(__extension__ \
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
{ __l: 0x000000007ff00000ULL }).__d)
# endif
#else /* not GCC */
# include <endian.h>
@ -59,46 +54,3 @@ 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. */

105
sysdeps/sh/sh4/fpu/bits/huge_val.h
View File

@ -1,105 +0,0 @@
/* `HUGE_VAL' constants for IEEE 754 machines (where it is infinity).
Used by <stdlib.h> and <math.h> functions for overflow.
SH version.
Copyright (C) 1992, 1995, 1996, 1997, 1998, 1999, 2000
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_val.h> directly; include <math.h> instead."
#endif
#include <features.h>
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
#ifdef __GNUC__
# if __GNUC_PREREQ(2,95)
# define HUGE_VAL (0x1.0p2047)
# else
# define HUGE_VAL \
(__extension__ \
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
{ __l: 0x000000007ff00000ULL }).__d)
# endif
#else /* not GCC */
# include <endian.h>
typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
# if __BYTE_ORDER == __BIG_ENDIAN
# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0x7f, 0xf0, 0, 0 }
# endif
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define __HUGE_VAL_bytes { 0, 0, 0xf0, 0x7f, 0, 0, 0, 0 }
# endif
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(2,95)
# 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;
# 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. */

11
sysdeps/sh/sh4/fpu/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 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
@ -39,9 +39,6 @@ typedef float float_t; /* `float' expressions are evaluated as
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# else
/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
@ -50,9 +47,6 @@ typedef double float_t; /* `float' expressions are evaluated as
typedef double double_t; /* `double' expressions are evaluated as
`double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# endif
# else
@ -60,9 +54,6 @@ typedef double double_t; /* `double' expressions are evaluated as
typedef double float_t;
typedef double double_t;
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# endif
/* The values returned by `ilogb' for 0 and NaN respectively. */

49
sysdeps/sparc/bits/huge_vall.h Normal file
View File

@ -0,0 +1,49 @@
/* `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
#if __GNUC_PREREQ(3,3)
# define HUGE_VALL (__builtin_huge_vall())
#else
# include <bits/wordsize.h>
# if __WORDSIZE == 32
# define HUGE_VALL ((long double) HUGE_VAL)
# elif __GNUC_PREREQ(2,96)
# define HUGE_VALL (__extension__ 0x1.0p32767L)
# elif defined __GNUC__
# define HUGE_VALL \
(__extension__ \
((union { struct { unsigned long __h, __l; } __i; long double __d; }) \
{ __i: { __h: 0x7fff000000000000UL, __l: 0 } }).__d)
# else /* not GCC */
typedef union { unsigned char __c[16]; long double __d; } __huge_vall_t;
# define __HUGE_VALL_bytes { 0x7f, 0xff, 0,0,0,0,0,0,0,0,0,0,0,0,0,0 }
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
# define HUGE_VALL (__huge_vall.__d)
# endif /* GCC. */
#endif /* GCC 3.3. */

11
sysdeps/sparc/fpu/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 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
@ -35,18 +35,12 @@
typedef float float_t;
typedef double double_t;
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# else
/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
typedef double float_t;
typedef double double_t;
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# endif
# else
@ -54,9 +48,6 @@ typedef double double_t;
typedef double float_t;
typedef double double_t;
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
# endif
/* The values returned by `ilogb' for 0 and NaN respectively. */

122
sysdeps/sparc/sparc32/fpu/bits/huge_val.h
View File

@ -1,122 +0,0 @@
/* `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, 1999, 2000 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_val.h> directly; include <math.h> instead."
#endif
#include <features.h>
#include <bits/wordsize.h>
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
#ifdef __GNUC__
# if __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 0x1.0p2047)
# else
# define HUGE_VAL \
(__extension__ \
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
{ __l: 0x7ff0000000000000ULL }).__d)
# endif
#else /* not GCC */
typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
# define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
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
# if __GNUC_PREREQ(2,96)
# define HUGE_VALF (__extension__ 0x1.0p255f)
# if __WORDSIZE == 32
# define HUGE_VALL HUGE_VAL
# else
/* Sparc64 uses IEEE 754 128bit long double */
# define HUGE_VALL (__extension__ 0x1.0p32767L)
# endif
# else
# ifdef __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;
# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
# define HUGE_VALF (__huge_valf.__f)
# endif /* GCC. */
# if __WORDSIZE == 32
/* Sparc32 has IEEE 754 64bit long double */
# define HUGE_VALL HUGE_VAL
# else
/* Sparc64 uses IEEE 754 128bit long double */
# ifdef __GNUC__
# define HUGE_VALL \
(__extension__ \
((union { struct { unsigned long __h, __l; } __i; long double __d; }) \
{ __i: { __h: 0x7fff000000000000UL, __l: 0 } }).__d)
# else /* not GCC */
typedef union { unsigned char __c[16]; long double __d; } __huge_vall_t;
# define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
# define HUGE_VALL (__huge_vall.__d)
# endif /* GCC. */
# endif
# endif /* GCC 2.95. */
#endif /* __USE_ISOC99. */

122
sysdeps/sparc/sparc64/fpu/bits/huge_val.h
View File

@ -1,122 +0,0 @@
/* `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, 1999, 2000 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_val.h> directly; include <math.h> instead."
#endif
#include <features.h>
#include <bits/wordsize.h>
/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
#ifdef __GNUC__
# if __GNUC_PREREQ(2,96)
# define HUGE_VAL (__extension__ 0x1.0p2047)
# else
# define HUGE_VAL \
(__extension__ \
((union { unsigned __l __attribute__((__mode__(__DI__))); double __d; }) \
{ __l: 0x7ff0000000000000ULL }).__d)
# endif
#else /* not GCC */
typedef union { unsigned char __c[8]; double __d; } __huge_val_t;
# define __HUGE_VAL_bytes { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 }
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
# if __GNUC_PREREQ(2,96)
# define HUGE_VALF (__extension__ 0x1.0p255f)
# if __WORDSIZE == 32
# define HUGE_VALL HUGE_VAL
# else
/* Sparc64 uses IEEE 754 128bit long double */
# define HUGE_VALL (__extension__ 0x1.0p32767L)
# endif
# else
# ifdef __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;
# define __HUGE_VALF_bytes { 0x7f, 0x80, 0, 0 }
static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
# define HUGE_VALF (__huge_valf.__f)
# endif /* GCC. */
# if __WORDSIZE == 32
/* Sparc32 has IEEE 754 64bit long double */
# define HUGE_VALL HUGE_VAL
# else
/* Sparc64 uses IEEE 754 128bit long double */
# ifdef __GNUC__
# define HUGE_VALL \
(__extension__ \
((union { struct { unsigned long __h, __l; } __i; long double __d; }) \
{ __i: { __h: 0x7fff000000000000UL, __l: 0 } }).__d)
# else /* not GCC */
typedef union { unsigned char __c[16]; long double __d; } __huge_vall_t;
# define __HUGE_VALL_bytes { 0x7f, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
# define HUGE_VALL (__huge_vall.__d)
# endif /* GCC. */
# endif
# endif /* GCC 2.95. */
#endif /* __USE_ISOC99. */

5
sysdeps/x86_64/fpu/bits/mathdef.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2001 Free Software Foundation, Inc.
/* Copyright (C) 2001, 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
@ -29,9 +29,6 @@ typedef float float_t; /* `float' expressions are evaluated as `float'. */
typedef double double_t; /* `double' expressions are evaluated
as `double'. */
/* Define `INFINITY' as value of type `float'. */
# define INFINITY HUGE_VALF
/* The values returned by `ilogb' for 0 and NaN respectively. */
# define FP_ILOGB0 (-2147483647 - 1)
# define FP_ILOGBNAN (-2147483647 - 1)