85 lines
3.8 KiB
C++
85 lines
3.8 KiB
C++
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/*$no list*//*$no trace <<< float.h >>> */
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/* Copyright (c) Mix Software 1988 */
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#define DBL_DIG 15
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#define DBL_EPSILON 2.2204460492503131E-16
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#define DBL_MANT_DIG 53
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#define DBL_MAX 1.7976931348623158E+308
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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 2.2250738585072014E-308
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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 6
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#define FLT_EPSILON 1.192092896E-07
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#define FLT_MANT_DIG 24
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#define FLT_MAX 3.402823466E+38
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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 1.175494351E-38
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#define FLT_MIN_10_EXP -37
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#define FLT_MIN_EXP -125
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#define LDBL_DIG DBL_DIG
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#define LDBL_EPSILON DBL_EPSILON
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#define LDBL_MANT_DIG DBL_MANT_DIG
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#define LDBL_MAX DBL_MAX
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#define LDBL_MAX_10_EXP DBL_MAX_10_EXP
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#define LDBL_MAX_EXP DBL_MAX_EXP
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#define LDBL_MIN DBL_MIN
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#define LDBL_MIN_10_EXP DBL_MIN_10_EXP
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#define LDBL_MIN_EXP DBL_MIN_EXP
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#if !defined(ANSI)
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#define FLT_GUARD 1
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#define FLT_RADIX 2
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#define DBL_RADIX 2
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#define LDBL_RADIX 2
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#define FLT_NORMALIZE 1
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#define FLT_ROUNDS 1
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#define DBL_ROUNDS 1
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#define LDBL_ROUNDS 1
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unsigned _clear87(void);
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unsigned _control87(unsigned cw, unsigned mask);
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void _fpreset(void);
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unsigned _status87(void);
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/* 8087/80287 Status Word format */
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#define SW_INVALID 0x0001 /* Invalid operation */
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#define SW_DENORMAL 0x0002 /* Denormalized operand */
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#define SW_ZERODIVIDE 0x0004 /* Zero divide */
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#define SW_OVERFLOW 0x0008 /* Overflow */
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#define SW_UNDERFLOW 0x0010 /* Underflow */
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#define SW_INEXACT 0x0020 /* Precision (Inexact result) */
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/* 8087/80287 Control Word format */
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#define MCW_EM 0x003f /* interrupt Exception Masks */
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#define EM_INVALID 0x0001 /* invalid */
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#define EM_DENORMAL 0x0002 /* denormal */
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#define EM_ZERODIVIDE 0x0004 /* zero divide */
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#define EM_OVERFLOW 0x0008 /* overflow */
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#define EM_UNDERFLOW 0x0010 /* underflow */
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#define EM_INEXACT 0x0020 /* inexact (precision) */
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#define MCW_IC 0x1000 /* Infinity Control */
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#define IC_AFFINE 0x1000 /* affine */
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#define IC_PROJECTIVE 0x0000 /* projective */
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#define MCW_RC 0x0c00 /* Rounding Control */
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#define RC_CHOP 0x0c00 /* chop */
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#define RC_UP 0x0800 /* up */
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#define RC_DOWN 0x0400 /* down */
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#define RC_NEAR 0x0000 /* near */
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#define MCW_PC 0x0300 /* Precision Control */
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#define PC_24 0x0000 /* 24 bits */
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#define PC_53 0x0200 /* 53 bits */
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#define PC_64 0x0300 /* 64 bits */
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#endif /* ANSI */
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#define CW_DEFAULT IC_AFFINE|RC_NEAR|PC_64|EM_DENORMAL|EM_UNDERFLOW|EM_INEXACT
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/*$list*//*$trace <<< float.h >>> */
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