66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
#ifndef _FLOAT_H_
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#define _FLOAT_H_
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#define FLT_RADIX 2
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/* IEEE float */
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#define FLT_MANT_DIG 24
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#define FLT_DIG 6
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#define FLT_ROUNDS 1
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#define FLT_EPSILON 1.19209290e-07F
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#define FLT_MIN_EXP (-125)
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#define FLT_MIN 1.17549435e-38F
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#define FLT_MIN_10_EXP (-37)
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#define FLT_MAX_EXP 128
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#define FLT_MAX 3.40282347e+38F
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#define FLT_MAX_10_EXP 38
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/* IEEE double */
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#define DBL_MANT_DIG 53
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#define DBL_DIG 15
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#define DBL_EPSILON 2.2204460492503131e-16
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#define DBL_MIN_EXP (-1021)
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#define DBL_MIN 2.2250738585072014e-308
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#define DBL_MIN_10_EXP (-307)
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#define DBL_MAX_EXP 1024
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#define DBL_MAX 1.7976931348623157e+308
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#define DBL_MAX_10_EXP 308
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/* horrible intel long double */
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#if defined __i386__ || defined __x86_64__
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#define LDBL_MANT_DIG 64
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#define LDBL_DIG 18
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#define LDBL_EPSILON 1.08420217248550443401e-19L
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#define LDBL_MIN_EXP (-16381)
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#define LDBL_MIN 3.36210314311209350626e-4932L
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#define LDBL_MIN_10_EXP (-4931)
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#define LDBL_MAX_EXP 16384
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#define LDBL_MAX 1.18973149535723176502e+4932L
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#define LDBL_MAX_10_EXP 4932
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#else
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/* same as IEEE double */
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#define LDBL_MANT_DIG 53
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#define LDBL_DIG 15
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#define LDBL_EPSILON 2.2204460492503131e-16
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#define LDBL_MIN_EXP (-1021)
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#define LDBL_MIN 2.2250738585072014e-308
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#define LDBL_MIN_10_EXP (-307)
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#define LDBL_MAX_EXP 1024
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#define LDBL_MAX 1.7976931348623157e+308
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#define LDBL_MAX_10_EXP 308
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#endif
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#ifndef NAN
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# define NAN (__nan__)
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#endif
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#ifndef INFINITY
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# define INFINITY (__inf__)
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#endif
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#endif /* _FLOAT_H_ */
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