9 #ifndef RUBY_BIG_DECIMAL_H 10 #define RUBY_BIG_DECIMAL_H 1 17 # define RB_UNUSED_VAR(x) x __attribute__ ((unused)) 19 # define RB_UNUSED_VAR(x) x 30 #undef BDIGIT_DBL_SIGNED 31 #undef PRI_BDIGIT_PREFIX 32 #undef PRI_BDIGIT_DBL_PREFIX 35 # define BDIGIT uint32_t 36 # define BDIGIT_DBL uint64_t 37 # define BDIGIT_DBL_SIGNED int64_t 38 # define SIZEOF_BDIGITS 4 40 # define BDIGIT uint16_t 41 # define BDIGIT_DBL uint32_t 42 # define BDIGIT_DBL_SIGNED int32_t 43 # define SIZEOF_BDIGITS 2 46 #if defined(__cplusplus) 63 static inline LONG_LONG
74 #if SIZEOF_VALUE <= SIZEOF_INT 76 #elif SIZEOF_VALUE <= SIZEOF_LONG 78 #elif SIZEOF_VALUE <= SIZEOF_LONG_LONG 84 #if 0 || SIZEOF_BDIGITS >= 16 85 # define RMPD_COMPONENT_FIGURES 38 86 # define RMPD_BASE ((BDIGIT)100000000000000000000000000000000000000U) 87 #elif SIZEOF_BDIGITS >= 8 88 # define RMPD_COMPONENT_FIGURES 19 89 # define RMPD_BASE ((BDIGIT)10000000000000000000U) 90 #elif SIZEOF_BDIGITS >= 4 91 # define RMPD_COMPONENT_FIGURES 9 92 # define RMPD_BASE ((BDIGIT)1000000000U) 93 #elif SIZEOF_BDIGITS >= 2 94 # define RMPD_COMPONENT_FIGURES 4 95 # define RMPD_BASE ((BDIGIT)10000U) 97 # define RMPD_COMPONENT_FIGURES 2 98 # define RMPD_BASE ((BDIGIT)100U) 106 #define SZ_INF "Infinity" 107 #define SZ_PINF "+Infinity" 108 #define SZ_NINF "-Infinity" 114 #define VP_EXPORT static 117 #define VP_EXCEPTION_ALL ((unsigned short)0x00FF) 118 #define VP_EXCEPTION_INFINITY ((unsigned short)0x0001) 119 #define VP_EXCEPTION_NaN ((unsigned short)0x0002) 120 #define VP_EXCEPTION_UNDERFLOW ((unsigned short)0x0004) 121 #define VP_EXCEPTION_OVERFLOW ((unsigned short)0x0001) 122 #define VP_EXCEPTION_ZERODIVIDE ((unsigned short)0x0010) 125 #define VP_EXCEPTION_OP ((unsigned short)0x0020) 126 #define VP_EXCEPTION_MEMORY ((unsigned short)0x0040) 128 #define RMPD_EXCEPTION_MODE_DEFAULT 0U 131 #define VP_ROUND_MODE ((unsigned short)0x0100) 132 #define VP_ROUND_UP 1 133 #define VP_ROUND_DOWN 2 134 #define VP_ROUND_HALF_UP 3 135 #define VP_ROUND_HALF_DOWN 4 136 #define VP_ROUND_CEIL 5 137 #define VP_ROUND_FLOOR 6 138 #define VP_ROUND_HALF_EVEN 7 140 #define RMPD_ROUNDING_MODE_DEFAULT VP_ROUND_HALF_UP 142 #define VP_SIGN_NaN 0 143 #define VP_SIGN_POSITIVE_ZERO 1 144 #define VP_SIGN_NEGATIVE_ZERO -1 145 #define VP_SIGN_POSITIVE_FINITE 2 146 #define VP_SIGN_NEGATIVE_FINITE -2 147 #define VP_SIGN_POSITIVE_INFINITE 3 148 #define VP_SIGN_NEGATIVE_INFINITE -3 151 #define FLEXIBLE_ARRAY_SIZE 0 153 #define FLEXIBLE_ARRAY_SIZE 1 201 #define VpBaseFig() rmpd_component_figures() 202 #define VpDblFig() rmpd_double_figures() 203 #define VpBaseVal() rmpd_base_value() 222 VP_EXPORT int VpIsNegDoubleZero(
double v);
261 #define Abs(a) (((a)>= 0)?(a):(-(a))) 262 #define Max(a, b) (((a)>(b))?(a):(b)) 263 #define Min(a, b) (((a)>(b))?(b):(a)) 265 #define VpMaxPrec(a) ((a)->MaxPrec) 266 #define VpPrec(a) ((a)->Prec) 267 #define VpGetFlag(a) ((a)->flag) 272 #define VpGetSign(a) (((a)->sign>0)?1:(-1)) 274 #define VpChangeSign(a,s) {if((s)>0) (a)->sign=(short)Abs((ssize_t)(a)->sign);else (a)->sign=-(short)Abs((ssize_t)(a)->sign);} 276 #define VpSetSign(a,s) {if((s)>0) (a)->sign=(short)VP_SIGN_POSITIVE_FINITE;else (a)->sign=(short)VP_SIGN_NEGATIVE_FINITE;} 279 #define VpSetOne(a) {(a)->Prec=(a)->exponent=(a)->frac[0]=1;(a)->sign=VP_SIGN_POSITIVE_FINITE;} 282 #define VpIsPosZero(a) ((a)->sign==VP_SIGN_POSITIVE_ZERO) 283 #define VpIsNegZero(a) ((a)->sign==VP_SIGN_NEGATIVE_ZERO) 284 #define VpIsZero(a) (VpIsPosZero(a) || VpIsNegZero(a)) 285 #define VpSetPosZero(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_ZERO) 286 #define VpSetNegZero(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_ZERO) 287 #define VpSetZero(a,s) ( ((s)>0)?VpSetPosZero(a):VpSetNegZero(a) ) 290 #define VpIsNaN(a) ((a)->sign==VP_SIGN_NaN) 291 #define VpSetNaN(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NaN) 294 #define VpIsPosInf(a) ((a)->sign==VP_SIGN_POSITIVE_INFINITE) 295 #define VpIsNegInf(a) ((a)->sign==VP_SIGN_NEGATIVE_INFINITE) 296 #define VpIsInf(a) (VpIsPosInf(a) || VpIsNegInf(a)) 297 #define VpIsDef(a) ( !(VpIsNaN(a)||VpIsInf(a)) ) 298 #define VpSetPosInf(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_INFINITE) 299 #define VpSetNegInf(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_INFINITE) 300 #define VpSetInf(a,s) ( ((s)>0)?VpSetPosInf(a):VpSetNegInf(a) ) 301 #define VpHasVal(a) (a->frac[0]) 302 #define VpIsOne(a) ((a->Prec==1)&&(a->frac[0]==1)&&(a->exponent==1)) 303 #define VpExponent(a) (a->exponent) 304 #ifdef BIGDECIMAL_DEBUG 305 int VpVarCheck(
Real * v);
308 #if defined(__cplusplus) VP_EXPORT void * VpMemRealloc(void *ptr, size_t mb)
VP_EXPORT int VpActiveRound(Real *y, Real *x, unsigned short f, ssize_t il)
VP_EXPORT ssize_t VpExponent10(Real *a)
VP_EXPORT double VpGetDoubleNaN(void)
static long labs(long const x)
VP_EXPORT size_t VpGetPrecLimit(void)
VP_EXPORT size_t VpDivd(Real *c, Real *r, Real *a, Real *b)
VP_EXPORT size_t VpMult(Real *c, Real *a, Real *b)
VP_EXPORT int VpComp(Real *a, Real *b)
VP_EXPORT int VpVtoD(double *d, SIGNED_VALUE *e, Real *m)
static LONG_LONG llabs(LONG_LONG const x)
VP_EXPORT void VpFrac(Real *y, Real *x)
static size_t rmpd_component_figures(void)
VP_EXPORT size_t VpAddSub(Real *c, Real *a, Real *b, int operation)
VP_EXPORT void VpToFString(Real *a, char *psz, size_t fFmt, int fPlus)
VP_EXPORT int VpMidRound(Real *y, unsigned short f, ssize_t nf)
VP_EXPORT Real * VpNewRbClass(size_t mx, char const *str, VALUE klass)
#define RMPD_COMPONENT_FIGURES
VP_EXPORT void * VpMemAlloc(size_t mb)
VP_EXPORT void VpToString(Real *a, char *psz, size_t fFmt, int fPlus)
VP_EXPORT size_t VpNumOfChars(Real *vp, const char *pszFmt)
VP_EXPORT void VpFree(Real *pv)
VP_EXPORT Real * VpCreateRbObject(size_t mx, const char *str)
VP_EXPORT double VpGetDoubleNegZero(void)
VP_EXPORT int VpIsRoundMode(unsigned short n)
static VALUE int_chr(int argc, VALUE *argv, VALUE num)
VP_EXPORT int VpSqrt(Real *y, Real *x)
VP_EXPORT void VpDtoV(Real *m, double d)
VP_EXPORT int VpToSpecialString(Real *a, char *psz, int fPlus)
static BDIGIT rmpd_base_value(void)
VP_EXPORT double VpGetDoubleNegInf(void)
VP_EXPORT size_t VpSetPrecLimit(size_t n)
VP_EXPORT size_t VpAsgn(Real *c, Real *a, int isw)
static size_t rmpd_double_figures(void)
VP_EXPORT int VpCtoV(Real *a, const char *int_chr, size_t ni, const char *frac, size_t nf, const char *exp_chr, size_t ne)
VP_EXPORT void VpSzMantissa(Real *a, char *psz)
VP_EXPORT int VpPower(Real *y, Real *x, SIGNED_VALUE n)
VP_EXPORT unsigned short VpGetRoundMode(void)
VP_EXPORT int VpLeftRound(Real *y, unsigned short f, ssize_t nf)
VP_EXPORT Real * VpAlloc(size_t mx, const char *szVal)
#define FLEXIBLE_ARRAY_SIZE
VP_EXPORT size_t VpInit(BDIGIT BaseVal)
VP_EXPORT double VpGetDoublePosInf(void)
VP_EXPORT int VpException(unsigned short f, const char *str, int always)
VP_EXPORT Real * VpOne(void)
VP_EXPORT unsigned short VpSetRoundMode(unsigned short n)