diff options
Diffstat (limited to 'libc/sysdeps/linux/i386/bits/mathdef.h')
| -rw-r--r-- | libc/sysdeps/linux/i386/bits/mathdef.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/libc/sysdeps/linux/i386/bits/mathdef.h b/libc/sysdeps/linux/i386/bits/mathdef.h index fe928daa6..a3786fc81 100644 --- a/libc/sysdeps/linux/i386/bits/mathdef.h +++ b/libc/sysdeps/linux/i386/bits/mathdef.h @@ -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 @@ -23,6 +23,13 @@ #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF # define _MATH_H_MATHDEF 1 +# if defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0 +/* When using -mfpmath=sse, values are computed with the precission of the + used type. */ +typedef float float_t; /* `float' expressions are evaluated as `float'. */ +typedef double double_t; /* `double' expressions are evaluated as + `double'. */ +# else /* The ix87 FPUs evaluate all values in the 80 bit floating-point format which is also available for the user as `long double'. Therefore we define: */ @@ -30,12 +37,14 @@ typedef long double float_t; /* `float' expressions are evaluated as `long double'. */ typedef long double double_t; /* `double' expressions are evaluated as `long double'. */ - -/* Define `INFINITY' as value of type `float'. */ -# define INFINITY HUGE_VALF +# endif /* The values returned by `ilogb' for 0 and NaN respectively. */ # define FP_ILOGB0 (-2147483647 - 1) # define FP_ILOGBNAN (-2147483647 - 1) #endif /* ISO C99 */ + +#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__ +# define __NO_LONG_DOUBLE_MATH 1 +#endif |