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- /* float.h
-
- Defines implementation specific macros for dealing with
- floating point.
-
- */
-
- /*
- * C/C++ Run Time Library - Version 10.0
- *
- * Copyright (c) 1987, 2000 by Inprise Corporation
- * All Rights Reserved.
- *
- */
-
- /* $Revision: 9.11 $ */
-
- #ifndef __FLOAT_H
- #define __FLOAT_H
-
- #ifndef ___STDDEF_H
- #include <_stddef.h>
- #endif
-
- #ifdef __cplusplus
- namespace std {
- #endif /* __cplusplus */
-
-
- #if !defined(RC_INVOKED)
-
- #if defined(__STDC__)
- #pragma warn -nak
- #endif
-
- #endif /* !RC_INVOKED */
-
-
- #define FLT_RADIX 2
- #define FLT_ROUNDS 1
- #define FLT_GUARD 1
- #define FLT_NORMALIZE 1
-
- #define DBL_DIG 15
- #define FLT_DIG 6
- #define LDBL_DIG 18
-
- #define DBL_MANT_DIG 53
- #define FLT_MANT_DIG 24
- #define LDBL_MANT_DIG 64
-
- #define DBL_EPSILON 2.2204460492503131E-16
- #define FLT_EPSILON 1.19209290E-07F
- #define LDBL_EPSILON 1.084202172485504434e-019L
-
- /* smallest positive IEEE normal numbers */
- #define DBL_MIN 2.2250738585072014E-308
- #define FLT_MIN 1.17549435E-38F
- #define LDBL_MIN _tiny_ldble
-
- #define DBL_MAX _max_dble
- #define FLT_MAX _max_flt
- #define LDBL_MAX _max_ldble
-
- #define DBL_MAX_EXP +1024
- #define FLT_MAX_EXP +128
- #define LDBL_MAX_EXP +16384
-
- #define DBL_MAX_10_EXP +308
- #define FLT_MAX_10_EXP +38
- #define LDBL_MAX_10_EXP +4932
-
- #define DBL_MIN_10_EXP -307
- #define FLT_MIN_10_EXP -37
- #define LDBL_MIN_10_EXP -4931
-
- #define DBL_MIN_EXP -1021
- #define FLT_MIN_EXP -125
- #define LDBL_MIN_EXP -16381
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- extern float _RTLENTRY _EXPDATA _max_flt;
- extern double _RTLENTRY _EXPDATA _max_dble;
- extern long double _RTLENTRY _EXPDATA _max_ldble;
- extern long double _RTLENTRY _EXPDATA _tiny_ldble;
-
- unsigned int _RTLENTRY _clear87(void);
- unsigned int _RTLENTRY _control87(unsigned int __newcw, unsigned int __mask);
- void _RTLENTRY _fpreset(void);
- unsigned int _RTLENTRY _status87(void);
-
- /* Microsoft C compatible IEEE functions */
-
- double _RTLENTRY _EXPFUNC _chgsign(double __d);
- double _RTLENTRY _EXPFUNC _copysign(double __da, double __db);
- int _RTLENTRY _EXPFUNC _finite(double __d);
- int _RTLENTRY _EXPFUNC _fpclass(double __d);
- int _RTLENTRY _EXPFUNC _isnan(double __d);
- double _RTLENTRY _EXPFUNC _logb(double __d);
- double _RTLENTRY _EXPFUNC _scalb(double __d, long __exp);
- double _RTLENTRY _EXPFUNC _nextafter(double __da, double __db);
-
- long double _RTLENTRY _EXPFUNC _chgsignl(long double __ld);
- long double _RTLENTRY _EXPFUNC _copysignl(long double __lda, long double __ldb);
- int _RTLENTRY _EXPFUNC _finitel(long double __ld);
- int _RTLENTRY _EXPFUNC _fpclassl(long double __ld);
- int _RTLENTRY _EXPFUNC _isnanl(long double __ld);
- long double _RTLENTRY _EXPFUNC _logbl(long double __ld);
- long double _RTLENTRY _EXPFUNC _scalbl(long double __ld, long __exp);
- long double _RTLENTRY _EXPFUNC _nextafterl(long double __lda, long double __ldb);
-
- #define _controlfp(__a, __b) _control87((__a), ((__b)& (~EM_DENORMAL)))
- #define _statusfp _status87
- #define _clearfp _clear87
-
- /* Return values for _fpclass() and _fpclassl() */
-
- #define _FPCLASS_UNSUP 0x0000 /* Unsupported IEEE format */
- #define _FPCLASS_SNAN 0x0001 /* Signaling NaN */
- #define _FPCLASS_QNAN 0x0002 /* Quiet NaN */
- #define _FPCLASS_NINF 0x0004 /* Negative Infinity */
- #define _FPCLASS_NN 0x0008 /* Negative Normal */
- #define _FPCLASS_ND 0x0010 /* Negative Denormal */
- #define _FPCLASS_NZ 0x0020 /* Negative Zero (-0.0) */
- #define _FPCLASS_PZ 0x0040 /* Positive Zero (+0.0) */
- #define _FPCLASS_PD 0x0080 /* Positive Denormal */
- #define _FPCLASS_PN 0x0100 /* Positive Normal */
- #define _FPCLASS_PINF 0x0200 /* Positive Infinity */
-
-
- #ifdef __cplusplus
- } // "C"
- #endif
-
- #if !defined(__STDC__)
-
- /* 387 Status Word format */
-
- #define SW_INVALID 0x0001 /* Invalid operation */
- #define SW_DENORMAL 0x0002 /* Denormalized operand */
- #define SW_ZERODIVIDE 0x0004 /* Zero divide */
- #define SW_OVERFLOW 0x0008 /* Overflow */
- #define SW_UNDERFLOW 0x0010 /* Underflow */
- #define SW_INEXACT 0x0020 /* Precision (Inexact result) */
- #define SW_STACKFAULT 0x0040 /* Stack fault */
-
- /* 387 Control Word format */
-
- #define MCW_EM 0x003f /* interrupt Exception Masks*/
- #define EM_INVALID 0x0001 /* invalid */
- #define EM_DENORMAL 0x0002 /* denormal */
- #define EM_ZERODIVIDE 0x0004 /* zero divide */
- #define EM_OVERFLOW 0x0008 /* overflow */
- #define EM_UNDERFLOW 0x0010 /* underflow */
- #define EM_INEXACT 0x0020 /* inexact (precision) */
-
- #define MCW_IC 0x1000 /* Infinity Control */
- #define IC_AFFINE 0x1000 /* affine */
- #define IC_PROJECTIVE 0x0000 /* projective */
-
- #define MCW_RC 0x0c00 /* Rounding Control */
- #define RC_CHOP 0x0c00 /* chop */
- #define RC_UP 0x0800 /* up */
- #define RC_DOWN 0x0400 /* down */
- #define RC_NEAR 0x0000 /* near */
-
- #define MCW_PC 0x0300 /* Precision Control */
- #define PC_24 0x0000 /* 24 bits */
- #define PC_53 0x0200 /* 53 bits */
- #define PC_64 0x0300 /* 64 bits */
-
- #ifdef __cplusplus
- } // std
- #endif /* __cplusplus */
-
- /* 387 Initial Control Word */
- /* use affine infinity, mask underflow and precision exceptions */
-
- #define CW_DEFAULT _default87
- extern unsigned int _RTLENTRY _default87;
-
- #ifdef __cplusplus
- namespace std {
- #endif /* __cplusplus */
-
- /*
- SIGFPE signal error types (for integer & float exceptions).
- */
- #define FPE_INTOVFLOW 126 /* 80x86 Interrupt on overflow */
- #define FPE_INTDIV0 127 /* 80x86 Integer divide by zero */
-
- #define FPE_INVALID 129 /* 80x87 invalid operation */
- #define FPE_ZERODIVIDE 131 /* 80x87 divide by zero */
- #define FPE_OVERFLOW 132 /* 80x87 arithmetic overflow */
- #define FPE_UNDERFLOW 133 /* 80x87 arithmetic underflow */
- #define FPE_INEXACT 134 /* 80x87 precision loss */
- #define FPE_STACKFAULT 135 /* 80x87 stack overflow */
- #define FPE_EXPLICITGEN 140 /* When SIGFPE is raise()'d */
-
- /*
- SIGSEGV signal error types.
- */
- #define SEGV_BOUND 10 /* A BOUND violation (SIGSEGV) */
- #define SEGV_EXPLICITGEN 11 /* When SIGSEGV is raise()'d */
- #define SEGV_ACCESS 12 /* Access violation */
- #define SEGV_STACK 13 /* Unable to grow stack */
-
- /*
- SIGILL signal error types.
- */
- #define ILL_EXECUTION 20 /* Illegal operation exception */
- #define ILL_EXPLICITGEN 21 /* When SIGILL is raise()'d */
- #define ILL_PRIVILEGED 22 /* Privileged instruction */
- #define ILL_BREAKPOINT 23 /* Breakpoint exception */
- #define ILL_SINGLE_STEP 24 /* Singlestep exception */
-
- #endif /* !__STDC__ */
-
-
- #if !defined(RC_INVOKED)
-
- #if defined(__STDC__)
- #pragma warn .nak
- #endif
-
- #endif /* !RC_INVOKED */
-
- #ifdef __cplusplus
- } // std
- #endif /* __cplusplus */
-
- #endif /* __FLOAT_H */
-
- #if defined(__cplusplus) && !defined(__USING_CNAME__) && !defined(__FLOAT_H_USING_LIST)
- #define __FLOAT_H_USING_LIST
- using std::_chgsign;
- using std::_chgsignl;
- using std::_clear87;
- using std::_control87;
- using std::_copysign;
- using std::_copysignl;
- using std::_finite;
- using std::_finitel;
- using std::_fpclass;
- using std::_fpclassl;
- using std::_fpreset;
- using std::_isnan;
- using std::_isnanl;
- using std::_logb;
- using std::_logbl;
- using std::_max_dble;
- using std::_max_flt;
- using std::_max_ldble;
- using std::_nextafter;
- using std::_nextafterl;
- using std::_scalb;
- using std::_scalbl;
- using std::_status87;
- using std::_tiny_ldble;
- #endif /* __USING_CNAME__ */
-