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author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-06-18 23:36:42 +0000 |
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committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 1998-06-18 23:36:42 +0000 |
commit | 13f37f02ff23e8260c7ee31ab4aff977a5a4ac7f (patch) | |
tree | a1bd6bcba1a95ca9c6a81341a15bcfc74a5f0dfa /gcc/config/float-i386.h | |
parent | 5919710f122a819582f31ed4060c01e62941437f (diff) | |
download | gcc-13f37f02ff23e8260c7ee31ab4aff977a5a4ac7f.tar.gz |
(
* config/float-i386.h: New.
* configure.in (i[34567]86-*-linux-*): Set float_format to i386.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@20567 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/float-i386.h')
-rw-r--r-- | gcc/config/float-i386.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/gcc/config/float-i386.h b/gcc/config/float-i386.h new file mode 100644 index 00000000000..2d14f702c56 --- /dev/null +++ b/gcc/config/float-i386.h @@ -0,0 +1,104 @@ +/* float.h for target with IEEE 32/64 bit and Intel 386 style 80 bit + floating point formats */ +#ifndef _FLOAT_H_ +#define _FLOAT_H_ +/* Produced by enquire version 4.3, CWI, Amsterdam */ + + /* Radix of exponent representation */ +#undef FLT_RADIX +#define FLT_RADIX 2 + /* Number of base-FLT_RADIX digits in the significand of a float */ +#undef FLT_MANT_DIG +#define FLT_MANT_DIG 24 + /* Number of decimal digits of precision in a float */ +#undef FLT_DIG +#define FLT_DIG 6 + /* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown */ +#undef FLT_ROUNDS +#define FLT_ROUNDS 1 + /* Difference between 1.0 and the minimum float greater than 1.0 */ +#undef FLT_EPSILON +#define FLT_EPSILON 1.19209290e-07F + /* Minimum int x such that FLT_RADIX**(x-1) is a normalised float */ +#undef FLT_MIN_EXP +#define FLT_MIN_EXP (-125) + /* Minimum normalised float */ +#undef FLT_MIN +#define FLT_MIN 1.17549435e-38F + /* Minimum int x such that 10**x is a normalised float */ +#undef FLT_MIN_10_EXP +#define FLT_MIN_10_EXP (-37) + /* Maximum int x such that FLT_RADIX**(x-1) is a representable float */ +#undef FLT_MAX_EXP +#define FLT_MAX_EXP 128 + /* Maximum float */ +#undef FLT_MAX +#define FLT_MAX 3.40282347e+38F + /* Maximum int x such that 10**x is a representable float */ +#undef FLT_MAX_10_EXP +#define FLT_MAX_10_EXP 38 + + /* Number of base-FLT_RADIX digits in the significand of a double */ +#undef DBL_MANT_DIG +#define DBL_MANT_DIG 53 + /* Number of decimal digits of precision in a double */ +#undef DBL_DIG +#define DBL_DIG 15 + /* Difference between 1.0 and the minimum double greater than 1.0 */ +#undef DBL_EPSILON +#define DBL_EPSILON 2.2204460492503131e-16 + /* Minimum int x such that FLT_RADIX**(x-1) is a normalised double */ +#undef DBL_MIN_EXP +#define DBL_MIN_EXP (-1021) + /* Minimum normalised double */ +#undef DBL_MIN +#define DBL_MIN 2.2250738585072014e-308 + /* Minimum int x such that 10**x is a normalised double */ +#undef DBL_MIN_10_EXP +#define DBL_MIN_10_EXP (-307) + /* Maximum int x such that FLT_RADIX**(x-1) is a representable double */ +#undef DBL_MAX_EXP +#define DBL_MAX_EXP 1024 + /* Maximum double */ +#undef DBL_MAX +#define DBL_MAX 1.7976931348623157e+308 + /* Maximum int x such that 10**x is a representable double */ +#undef DBL_MAX_10_EXP +#define DBL_MAX_10_EXP 308 + + /* Number of base-FLT_RADIX digits in the significand of a long double */ +#undef LDBL_MANT_DIG +#define LDBL_MANT_DIG 64 + /* Number of decimal digits of precision in a long double */ +#undef LDBL_DIG +#define LDBL_DIG 18 + /* Difference between 1.0 and the minimum long double greater than 1.0 */ +#undef LDBL_EPSILON +#ifndef __LDBL_UNION__ +#define __LDBL_UNION__ +union __convert_long_double { + unsigned __convert_long_double_i[4]; + long double __convert_long_double_d; +}; +#endif +#define LDBL_EPSILON (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0x0, 0x80000000, 0x3fc0, 0x0}}).__convert_long_double_d) + /* Minimum int x such that FLT_RADIX**(x-1) is a normalised long double */ +#undef LDBL_MIN_EXP +#define LDBL_MIN_EXP (-16381) + /* Minimum normalised long double */ +#undef LDBL_MIN +#define LDBL_MIN (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0x0, 0x80000000, 0x1, 0x0}}).__convert_long_double_d) + /* Minimum int x such that 10**x is a normalised long double */ +#undef LDBL_MIN_10_EXP +#define LDBL_MIN_10_EXP (-4931) + /* Maximum int x such that FLT_RADIX**(x-1) is a representable long double */ +#undef LDBL_MAX_EXP +#define LDBL_MAX_EXP 16384 + /* Maximum long double */ +#undef LDBL_MAX +#define LDBL_MAX (__extension__ ((union __convert_long_double) {__convert_long_double_i: {0xffffffff, 0xffffffff, 0x107ffe, 0x0}}).__convert_long_double_d) + /* Maximum int x such that 10**x is a representable long double */ +#undef LDBL_MAX_10_EXP +#define LDBL_MAX_10_EXP 4932 + +#endif /* _FLOAT_H___ */ |