diff options
Diffstat (limited to 'sysdeps/m68k/bits')
| -rw-r--r-- | sysdeps/m68k/bits/huge_val.h | 92 | ||||
| -rw-r--r-- | sysdeps/m68k/bits/huge_vall.h | 43 |
2 files changed, 43 insertions, 92 deletions
diff --git a/sysdeps/m68k/bits/huge_val.h b/sysdeps/m68k/bits/huge_val.h deleted file mode 100644 index ad52534..0000000 --- a/sysdeps/m68k/bits/huge_val.h +++ /dev/null @@ -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. */ diff --git a/sysdeps/m68k/bits/huge_vall.h b/sysdeps/m68k/bits/huge_vall.h new file mode 100644 index 0000000..8b9630c --- /dev/null +++ b/sysdeps/m68k/bits/huge_vall.h @@ -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. */ |