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78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
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/************************************************************
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Float.h
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Characteristics of floating-point types
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Copyright Apple Computer,Inc. 1987-1991
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All rights reserved
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This file is used in these builds: ROM System
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Change History (most recent first):
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<2> 8/8/91 JL Update copyright
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To Do:
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************************************************************/
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#ifndef __FLOAT__
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#define __FLOAT__
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#define DBL_DIG 15
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#define DBL_MANT_DIG 53
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#define DBL_MAX_10_EXP 308
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#define DBL_MAX_EXP 1024
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#define DBL_MIN_10_EXP (-307)
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#define DBL_MIN_EXP (-1021)
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#define FLT_DIG 7
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#define FLT_MANT_DIG 24
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#define FLT_MAX_10_EXP 38
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#define FLT_MAX_EXP 128
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#define FLT_MIN_10_EXP (-37)
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#define FLT_MIN_EXP (-125)
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#define FLT_RADIX 2
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#define FLT_ROUNDS 1
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#define LDBL_DIG 19
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#define LDBL_MANT_DIG 64
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#define LDBL_MAX_10_EXP 4932
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#define LDBL_MAX_EXP 16384
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#define LDBL_MIN_10_EXP (-4931)
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#define LDBL_MIN_EXP (-16382)
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#define DBL_EPSILON (*(double *)_DBL_EPSILON)
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#define DBL_MAX (*(double *)_DBL_MAX)
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#define DBL_MIN (*(double *)_DBL_MIN)
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#define FLT_EPSILON (*(float *)_FLT_EPSILON)
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#define FLT_MAX (*(float *)_FLT_MAX)
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#define FLT_MIN (*(float *)_FLT_MIN)
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#ifdef mc68881
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#define LDBL_EPSILON (*(long double *)_LDBL_EPSILON)
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#define LDBL_MAX (*(long double *)_LDBL_MAX)
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#define LDBL_MIN (*(long double *)_LDBL_MIN)
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#else
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#define LDBL_EPSILON (*(long double *)(_LDBL_EPSILON+1))
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#define LDBL_MAX (*(long double *)(_LDBL_MAX+1))
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#define LDBL_MIN (*(long double *)(_LDBL_MIN+1))
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#endif
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extern int _DBL_EPSILON[];
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extern int _DBL_MAX[];
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extern int _DBL_MIN[];
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extern int _FLT_EPSILON[];
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extern int _FLT_MAX[];
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extern int _FLT_MIN[];
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extern short _LDBL_EPSILON[];
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extern short _LDBL_MAX[];
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extern short _LDBL_MIN[];
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#endif
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