#include "ruby/ruby.h"
#include <float.h>

Data Structures
struct	Real

Macros
#define	RUBY_NO_OLD_COMPATIBILITY

#define	BDIGIT uint16_t

#define	BDIGIT_DBL uint32_t

#define	BDIGIT_DBL_SIGNED int32_t

#define	SIZEOF_BDIGITS 2

#define	PRI_BDIGIT_PREFIX "h"

#define	PRI_BDIGIT_DBL_PREFIX ""

#define	PRIdBDIGIT PRI_BDIGIT_PREFIX"d"

#define	PRIiBDIGIT PRI_BDIGIT_PREFIX"i"

#define	PRIoBDIGIT PRI_BDIGIT_PREFIX"o"

#define	PRIuBDIGIT PRI_BDIGIT_PREFIX"u"

#define	PRIxBDIGIT PRI_BDIGIT_PREFIX"x"

#define	PRIXBDIGIT PRI_BDIGIT_PREFIX"X"

#define	PRIdBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"d"

#define	PRIiBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"i"

#define	PRIoBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"o"

#define	PRIuBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"u"

#define	PRIxBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"x"

#define	PRIXBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"X"

#define	vabs abs

#define	RMPD_COMPONENT_FIGURES 4

#define	RMPD_BASE ((BDIGIT)10000U)

#define	SZ_NaN "NaN"

#define	SZ_INF "Infinity"

#define	SZ_PINF "+Infinity"

#define	SZ_NINF "-Infinity"

#define	VP_EXPORT static

#define	VP_EXCEPTION_ALL ((unsigned short)0x00FF)

#define	VP_EXCEPTION_INFINITY ((unsigned short)0x0001)

#define	VP_EXCEPTION_NaN ((unsigned short)0x0002)

#define	VP_EXCEPTION_UNDERFLOW ((unsigned short)0x0004)

#define	VP_EXCEPTION_OVERFLOW ((unsigned short)0x0001) /* 0x0008) */

#define	VP_EXCEPTION_ZERODIVIDE ((unsigned short)0x0010)

#define	VP_EXCEPTION_OP ((unsigned short)0x0020)

#define	VP_EXCEPTION_MEMORY ((unsigned short)0x0040)

#define	RMPD_EXCEPTION_MODE_DEFAULT 0U

#define	VP_ROUND_MODE ((unsigned short)0x0100)

#define	VP_ROUND_UP 1

#define	VP_ROUND_DOWN 2

#define	VP_ROUND_HALF_UP 3

#define	VP_ROUND_HALF_DOWN 4

#define	VP_ROUND_CEIL 5

#define	VP_ROUND_FLOOR 6

#define	VP_ROUND_HALF_EVEN 7

#define	RMPD_ROUNDING_MODE_DEFAULT VP_ROUND_HALF_UP

#define	VP_SIGN_NaN 0 /* NaN */

#define	VP_SIGN_POSITIVE_ZERO 1 /* Positive zero */

#define	VP_SIGN_NEGATIVE_ZERO -1 /* Negative zero */

#define	VP_SIGN_POSITIVE_FINITE 2 /* Positive finite number */

#define	VP_SIGN_NEGATIVE_FINITE -2 /* Negative finite number */

#define	VP_SIGN_POSITIVE_INFINITE 3 /* Positive infinite number */

#define	VP_SIGN_NEGATIVE_INFINITE -3 /* Negative infinite number */

#define	FLEXIBLE_ARRAY_SIZE 1

#define	VpBaseFig() rmpd_component_figures()

#define	VpDblFig() rmpd_double_figures()

#define	VpBaseVal() rmpd_base_value()

#define	Abs(a) (((a)>= 0)?(a):(-(a)))

#define	Max(a, b) (((a)>(b))?(a):(b))

#define	Min(a, b) (((a)>(b))?(b):(a))

#define	VpMaxPrec(a) ((a)->MaxPrec)

#define	VpPrec(a) ((a)->Prec)

#define	VpGetFlag(a) ((a)->flag)

#define	VpGetSign(a) (((a)->sign>0)?1:(-1))

#define	VpChangeSign(a, s) {if((s)>0) (a)->sign=(short)Abs((ssize_t)(a)->sign);else (a)->sign=-(short)Abs((ssize_t)(a)->sign);}

#define	VpSetSign(a, s) {if((s)>0) (a)->sign=(short)VP_SIGN_POSITIVE_FINITE;else (a)->sign=(short)VP_SIGN_NEGATIVE_FINITE;}

#define	VpSetOne(a) {(a)->Prec=(a)->exponent=(a)->frac[0]=1;(a)->sign=VP_SIGN_POSITIVE_FINITE;}

#define	VpIsPosZero(a) ((a)->sign==VP_SIGN_POSITIVE_ZERO)

#define	VpIsNegZero(a) ((a)->sign==VP_SIGN_NEGATIVE_ZERO)

#define	VpIsZero(a) (VpIsPosZero(a) \|\| VpIsNegZero(a))

#define	VpSetPosZero(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_ZERO)

#define	VpSetNegZero(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_ZERO)

#define	VpSetZero(a, s) (void)(((s)>0)?VpSetPosZero(a):VpSetNegZero(a))

#define	VpIsNaN(a) ((a)->sign==VP_SIGN_NaN)

#define	VpSetNaN(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NaN)

#define	VpIsPosInf(a) ((a)->sign==VP_SIGN_POSITIVE_INFINITE)

#define	VpIsNegInf(a) ((a)->sign==VP_SIGN_NEGATIVE_INFINITE)

#define	VpIsInf(a) (VpIsPosInf(a) \|\| VpIsNegInf(a))

#define	VpIsDef(a) ( !(VpIsNaN(a)\|\|VpIsInf(a)) )

#define	VpSetPosInf(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_INFINITE)

#define	VpSetNegInf(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_INFINITE)

#define	VpSetInf(a, s) (void)(((s)>0)?VpSetPosInf(a):VpSetNegInf(a))

#define	VpHasVal(a) (a->frac[0])

#define	VpIsOne(a) ((a->Prec==1)&&(a->frac[0]==1)&&(a->exponent==1))

#define	VpExponent(a) (a->exponent)

Functions
VP_EXPORT Real *	VpNewRbClass (size_t mx, char const *str, VALUE klass)

VP_EXPORT Real *	VpCreateRbObject (size_t mx, const char *str)

VP_EXPORT double	VpGetDoubleNaN (void)

VP_EXPORT double	VpGetDoublePosInf (void)

VP_EXPORT double	VpGetDoubleNegInf (void)

VP_EXPORT double	VpGetDoubleNegZero (void)

VP_EXPORT size_t	VpGetPrecLimit (void)

VP_EXPORT size_t	VpSetPrecLimit (size_t n)

VP_EXPORT int	VpIsRoundMode (unsigned short n)

VP_EXPORT unsigned short	VpGetRoundMode (void)

VP_EXPORT unsigned short	VpSetRoundMode (unsigned short n)

VP_EXPORT int	VpException (unsigned short f, const char *str, int always)

VP_EXPORT size_t	VpNumOfChars (Real vp, const char pszFmt)

VP_EXPORT size_t	VpInit (BDIGIT BaseVal)

VP_EXPORT void *	VpMemAlloc (size_t mb)

VP_EXPORT void *	VpMemRealloc (void *ptr, size_t mb)

VP_EXPORT void	VpFree (Real *pv)

VP_EXPORT Real *	VpAlloc (size_t mx, const char *szVal)

VP_EXPORT size_t	VpAsgn (Real c, Real a, int isw)

VP_EXPORT size_t	VpAddSub (Real c, Real a, Real *b, int operation)

VP_EXPORT size_t	VpMult (Real c, Real a, Real *b)

VP_EXPORT size_t	VpDivd (Real c, Real r, Real a, Real b)

VP_EXPORT int	VpComp (Real a, Real b)

VP_EXPORT ssize_t	VpExponent10 (Real *a)

VP_EXPORT void	VpSzMantissa (Real a, char psz)

VP_EXPORT int	VpToSpecialString (Real a, char psz, int fPlus)

VP_EXPORT void	VpToString (Real a, char psz, size_t fFmt, int fPlus)

VP_EXPORT void	VpToFString (Real a, char psz, size_t fFmt, int fPlus)

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 int	VpVtoD (double d, SIGNED_VALUE e, Real *m)

VP_EXPORT void	VpDtoV (Real *m, double d)

VP_EXPORT int	VpSqrt (Real y, Real x)

VP_EXPORT int	VpActiveRound (Real y, Real x, unsigned short f, ssize_t il)

VP_EXPORT int	VpMidRound (Real *y, unsigned short f, ssize_t nf)

VP_EXPORT int	VpLeftRound (Real *y, unsigned short f, ssize_t nf)

VP_EXPORT void	VpFrac (Real y, Real x)

VP_EXPORT int	VpPower (Real y, Real x, SIGNED_VALUE n)

VP_EXPORT Real *	VpOne (void)

Variables
VALUE	rb_cBigDecimal

Macro Definition Documentation

◆ Abs

#define Abs ( a ) (((a)>= 0)?(a):(-(a)))

Definition at line 335 of file bigdecimal.h.

◆ BDIGIT

#define BDIGIT uint16_t

Definition at line 48 of file bigdecimal.h.

Referenced by rb_absint_singlebit_p(), rb_absint_size(), rb_big_and(), rb_big_aref(), rb_big_bit_length(), rb_big_comp(), rb_big_divrem_normal(), rb_big_eql(), rb_big_even_p(), rb_big_isqrt(), rb_big_or(), rb_big_xor(), rb_integer_pack(), rb_integer_unpack(), rb_uint2big(), VpAddSub(), VpAsgn(), VpComp(), VpDivd(), VpDtoV(), VpLeftRound(), VpMidRound(), VpMult(), VpToFString(), and VpToString().

◆ BDIGIT_DBL

#define BDIGIT_DBL uint32_t

Definition at line 49 of file bigdecimal.h.

Referenced by rb_big_even_p(), VpDivd(), VpMult(), and VpSzMantissa().

◆ BDIGIT_DBL_SIGNED

#define BDIGIT_DBL_SIGNED int32_t

Definition at line 50 of file bigdecimal.h.

◆ FLEXIBLE_ARRAY_SIZE

#define FLEXIBLE_ARRAY_SIZE 1

Definition at line 227 of file bigdecimal.h.

◆ Max

#define Max	(	a,
		b
	)	(((a)>(b))?(a):(b))

Definition at line 336 of file bigdecimal.h.

Referenced by VpAlloc().

◆ Min

#define Min	(	a,
		b
	)	(((a)>(b))?(b):(a))

Definition at line 337 of file bigdecimal.h.

Referenced by VpFrac(), VpSqrt(), and VpVtoD().

◆ PRI_BDIGIT_DBL_PREFIX

#define PRI_BDIGIT_DBL_PREFIX ""

Definition at line 53 of file bigdecimal.h.

◆ PRI_BDIGIT_PREFIX

#define PRI_BDIGIT_PREFIX "h"

Definition at line 52 of file bigdecimal.h.

◆ PRIdBDIGIT

#define PRIdBDIGIT PRI_BDIGIT_PREFIX"d"

Definition at line 56 of file bigdecimal.h.

◆ PRIdBDIGIT_DBL

#define PRIdBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"d"

Definition at line 63 of file bigdecimal.h.

◆ PRIiBDIGIT

#define PRIiBDIGIT PRI_BDIGIT_PREFIX"i"

Definition at line 57 of file bigdecimal.h.

◆ PRIiBDIGIT_DBL

#define PRIiBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"i"

Definition at line 64 of file bigdecimal.h.

◆ PRIoBDIGIT

#define PRIoBDIGIT PRI_BDIGIT_PREFIX"o"

Definition at line 58 of file bigdecimal.h.

◆ PRIoBDIGIT_DBL

#define PRIoBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"o"

Definition at line 65 of file bigdecimal.h.

◆ PRIuBDIGIT

#define PRIuBDIGIT PRI_BDIGIT_PREFIX"u"

Definition at line 59 of file bigdecimal.h.

Referenced by VpInit(), and VpPower().

◆ PRIuBDIGIT_DBL

#define PRIuBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"u"

Definition at line 66 of file bigdecimal.h.

◆ PRIxBDIGIT

#define PRIxBDIGIT PRI_BDIGIT_PREFIX"x"

Definition at line 60 of file bigdecimal.h.

◆ PRIXBDIGIT

#define PRIXBDIGIT PRI_BDIGIT_PREFIX"X"

Definition at line 61 of file bigdecimal.h.

◆ PRIxBDIGIT_DBL

#define PRIxBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"x"

Definition at line 67 of file bigdecimal.h.

◆ PRIXBDIGIT_DBL

#define PRIXBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"X"

Definition at line 68 of file bigdecimal.h.

◆ RMPD_BASE

#define RMPD_BASE ((BDIGIT)10000U)

Definition at line 169 of file bigdecimal.h.

◆ RMPD_COMPONENT_FIGURES

#define RMPD_COMPONENT_FIGURES 4

Definition at line 168 of file bigdecimal.h.

Referenced by VpComp().

◆ RMPD_EXCEPTION_MODE_DEFAULT

#define RMPD_EXCEPTION_MODE_DEFAULT 0U

Definition at line 202 of file bigdecimal.h.

◆ RMPD_ROUNDING_MODE_DEFAULT

#define RMPD_ROUNDING_MODE_DEFAULT VP_ROUND_HALF_UP

Definition at line 214 of file bigdecimal.h.

◆ RUBY_NO_OLD_COMPATIBILITY

#define RUBY_NO_OLD_COMPATIBILITY

Definition at line 12 of file bigdecimal.h.

◆ SIZEOF_BDIGITS

#define SIZEOF_BDIGITS 2

Definition at line 51 of file bigdecimal.h.

◆ SZ_INF

#define SZ_INF "Infinity"

Definition at line 180 of file bigdecimal.h.

Referenced by VpAlloc(), VpComp(), VpSzMantissa(), and VpToSpecialString().

◆ SZ_NaN

#define SZ_NaN "NaN"

Definition at line 179 of file bigdecimal.h.

Referenced by VpAlloc(), VpComp(), VpSzMantissa(), and VpToSpecialString().

◆ SZ_NINF

#define SZ_NINF "-Infinity"

Definition at line 182 of file bigdecimal.h.

Referenced by VpAlloc(), VpComp(), VpSzMantissa(), and VpToSpecialString().

◆ SZ_PINF

#define SZ_PINF "+Infinity"

Definition at line 181 of file bigdecimal.h.

Referenced by VpAlloc().

◆ vabs

#define vabs abs

Definition at line 149 of file bigdecimal.h.

◆ VP_EXCEPTION_ALL

#define VP_EXCEPTION_ALL ((unsigned short)0x00FF)

Definition at line 191 of file bigdecimal.h.

◆ VP_EXCEPTION_INFINITY

#define VP_EXCEPTION_INFINITY ((unsigned short)0x0001)

Definition at line 192 of file bigdecimal.h.

◆ VP_EXCEPTION_MEMORY

#define VP_EXCEPTION_MEMORY ((unsigned short)0x0040)

Definition at line 200 of file bigdecimal.h.

Referenced by VpMemAlloc(), and VpMemRealloc().

◆ VP_EXCEPTION_NaN

#define VP_EXCEPTION_NaN ((unsigned short)0x0002)

Definition at line 193 of file bigdecimal.h.

◆ VP_EXCEPTION_OP

#define VP_EXCEPTION_OP ((unsigned short)0x0020)

Definition at line 199 of file bigdecimal.h.

Referenced by VpSqrt().

◆ VP_EXCEPTION_OVERFLOW

#define VP_EXCEPTION_OVERFLOW ((unsigned short)0x0001) /* 0x0008) */

Definition at line 195 of file bigdecimal.h.

◆ VP_EXCEPTION_UNDERFLOW

#define VP_EXCEPTION_UNDERFLOW ((unsigned short)0x0004)

Definition at line 194 of file bigdecimal.h.

◆ VP_EXCEPTION_ZERODIVIDE

#define VP_EXCEPTION_ZERODIVIDE ((unsigned short)0x0010)

Definition at line 196 of file bigdecimal.h.

◆ VP_EXPORT

#define VP_EXPORT static

Definition at line 188 of file bigdecimal.h.

Referenced by VpAlloc(), VpExponent10(), VpIsRoundMode(), VpLeftRound(), VpMemAlloc(), VpMemRealloc(), VpNewRbClass(), VpNumOfChars(), VpSqrt(), VpSzMantissa(), VpToSpecialString(), and VpVtoD().

◆ VP_ROUND_CEIL

#define VP_ROUND_CEIL 5

Definition at line 210 of file bigdecimal.h.

Referenced by VpIsRoundMode(), and VpMidRound().

◆ VP_ROUND_DOWN

#define VP_ROUND_DOWN 2

Definition at line 207 of file bigdecimal.h.

Referenced by VpIsRoundMode(), and VpMidRound().

◆ VP_ROUND_FLOOR

#define VP_ROUND_FLOOR 6

Definition at line 211 of file bigdecimal.h.

Referenced by VpIsRoundMode(), and VpMidRound().

◆ VP_ROUND_HALF_DOWN

#define VP_ROUND_HALF_DOWN 4

Definition at line 209 of file bigdecimal.h.

Referenced by VpIsRoundMode(), and VpMidRound().

◆ VP_ROUND_HALF_EVEN

#define VP_ROUND_HALF_EVEN 7

Definition at line 212 of file bigdecimal.h.

Referenced by VpIsRoundMode(), and VpMidRound().

◆ VP_ROUND_HALF_UP

#define VP_ROUND_HALF_UP 3

Definition at line 208 of file bigdecimal.h.

Referenced by VpIsRoundMode(), and VpMidRound().

◆ VP_ROUND_MODE

#define VP_ROUND_MODE ((unsigned short)0x0100)

Definition at line 205 of file bigdecimal.h.

◆ VP_ROUND_UP

#define VP_ROUND_UP 1

Definition at line 206 of file bigdecimal.h.

Referenced by VpIsRoundMode(), and VpMidRound().

◆ VP_SIGN_NaN

#define VP_SIGN_NaN 0 /* NaN */

Definition at line 216 of file bigdecimal.h.

◆ VP_SIGN_NEGATIVE_FINITE

#define VP_SIGN_NEGATIVE_FINITE -2 /* Negative finite number */

Definition at line 220 of file bigdecimal.h.

◆ VP_SIGN_NEGATIVE_INFINITE

#define VP_SIGN_NEGATIVE_INFINITE -3 /* Negative infinite number */

Definition at line 222 of file bigdecimal.h.

◆ VP_SIGN_NEGATIVE_ZERO

#define VP_SIGN_NEGATIVE_ZERO -1 /* Negative zero */

Definition at line 218 of file bigdecimal.h.

◆ VP_SIGN_POSITIVE_FINITE

#define VP_SIGN_POSITIVE_FINITE 2 /* Positive finite number */

Definition at line 219 of file bigdecimal.h.

◆ VP_SIGN_POSITIVE_INFINITE

#define VP_SIGN_POSITIVE_INFINITE 3 /* Positive infinite number */

Definition at line 221 of file bigdecimal.h.

◆ VP_SIGN_POSITIVE_ZERO

#define VP_SIGN_POSITIVE_ZERO 1 /* Positive zero */

Definition at line 217 of file bigdecimal.h.

◆ VpBaseFig

#define VpBaseFig ( ) rmpd_component_figures()

Definition at line 275 of file bigdecimal.h.

◆ VpBaseVal

#define VpBaseVal ( ) rmpd_base_value()

Definition at line 277 of file bigdecimal.h.

◆ VpChangeSign

#define VpChangeSign	(	a,
		s
	)	{if((s)>0) (a)->sign=(short)Abs((ssize_t)(a)->sign);else (a)->sign=-(short)Abs((ssize_t)(a)->sign);}

Definition at line 348 of file bigdecimal.h.

Referenced by VpSqrt().

◆ VpDblFig

#define VpDblFig ( ) rmpd_double_figures()

Definition at line 276 of file bigdecimal.h.

◆ VpExponent

#define VpExponent ( a ) (a->exponent)

Definition at line 377 of file bigdecimal.h.

Referenced by VpLeftRound().

◆ VpGetFlag

#define VpGetFlag ( a ) ((a)->flag)

Definition at line 341 of file bigdecimal.h.

◆ VpGetSign

#define VpGetSign ( a ) (((a)->sign>0)?1:(-1))

Definition at line 346 of file bigdecimal.h.

Referenced by VpAsgn(), VpComp(), VpFrac(), VpMidRound(), VpPower(), and VpVtoD().

◆ VpHasVal

#define VpHasVal ( a ) (a->frac[0])

Definition at line 375 of file bigdecimal.h.

Referenced by VpExponent10(), VpFrac(), and VpLeftRound().

◆ VpIsDef

#define VpIsDef ( a ) ( !(VpIsNaN(a)||VpIsInf(a)) )

Definition at line 371 of file bigdecimal.h.

Referenced by VpComp(), and VpNumOfChars().

◆ VpIsInf

#define VpIsInf ( a ) (VpIsPosInf(a) || VpIsNegInf(a))

Definition at line 370 of file bigdecimal.h.

Referenced by VpAsgn(), and VpPower().

◆ VpIsNaN

#define VpIsNaN ( a ) ((a)->sign==VP_SIGN_NaN)

Definition at line 364 of file bigdecimal.h.

Referenced by VpAsgn(), VpComp(), VpPower(), VpSqrt(), VpSzMantissa(), VpToSpecialString(), and VpVtoD().

◆ VpIsNegInf

#define VpIsNegInf ( a ) ((a)->sign==VP_SIGN_NEGATIVE_INFINITE)

Definition at line 369 of file bigdecimal.h.

Referenced by VpComp(), VpSzMantissa(), VpToSpecialString(), and VpVtoD().

◆ VpIsNegZero

#define VpIsNegZero ( a ) ((a)->sign==VP_SIGN_NEGATIVE_ZERO)

Definition at line 357 of file bigdecimal.h.

Referenced by VpVtoD().

◆ VpIsOne

#define VpIsOne ( a ) ((a->Prec==1)&&(a->frac[0]==1)&&(a->exponent==1))

Definition at line 376 of file bigdecimal.h.

Referenced by VpSqrt().

◆ VpIsPosInf

#define VpIsPosInf ( a ) ((a)->sign==VP_SIGN_POSITIVE_INFINITE)

Definition at line 368 of file bigdecimal.h.

Referenced by VpComp(), VpPower(), VpSqrt(), VpSzMantissa(), VpToSpecialString(), and VpVtoD().

◆ VpIsPosZero

#define VpIsPosZero ( a ) ((a)->sign==VP_SIGN_POSITIVE_ZERO)

Definition at line 356 of file bigdecimal.h.

Referenced by VpSzMantissa(), VpToSpecialString(), and VpVtoD().

◆ VpIsZero

#define VpIsZero ( a ) (VpIsPosZero(a) || VpIsNegZero(a))

Definition at line 358 of file bigdecimal.h.

Referenced by VpAsgn(), VpComp(), VpPower(), VpSqrt(), VpSzMantissa(), and VpToSpecialString().

◆ VpMaxPrec

#define VpMaxPrec ( a ) ((a)->MaxPrec)

Definition at line 339 of file bigdecimal.h.

◆ VpPrec

#define VpPrec ( a ) ((a)->Prec)

Definition at line 340 of file bigdecimal.h.

◆ VpSetInf

#define VpSetInf	(	a,
		s
	)	(void)(((s)>0)?VpSetPosInf(a):VpSetNegInf(a))

Definition at line 374 of file bigdecimal.h.

Referenced by VpAsgn(), and VpPower().

◆ VpSetNaN

#define VpSetNaN ( a ) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NaN)

Definition at line 365 of file bigdecimal.h.

Referenced by VpAlloc(), VpAsgn(), VpDivd(), VpDtoV(), VpPower(), and VpSqrt().

◆ VpSetNegInf

#define VpSetNegInf ( a ) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_INFINITE)

Definition at line 373 of file bigdecimal.h.

Referenced by VpAlloc(), and VpDtoV().

◆ VpSetNegZero

#define VpSetNegZero ( a ) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_ZERO)

Definition at line 360 of file bigdecimal.h.

◆ VpSetOne

#define VpSetOne ( a ) {(a)->Prec=(a)->exponent=(a)->frac[0]=1;(a)->sign=VP_SIGN_POSITIVE_FINITE;}

Definition at line 353 of file bigdecimal.h.

Referenced by VpPower(), and VpSqrt().

◆ VpSetPosInf

#define VpSetPosInf ( a ) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_INFINITE)

Definition at line 372 of file bigdecimal.h.

Referenced by VpAlloc(), and VpDtoV().

◆ VpSetPosZero

#define VpSetPosZero ( a ) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_ZERO)

Definition at line 359 of file bigdecimal.h.

◆ VpSetSign

#define VpSetSign	(	a,
		s
	)	{if((s)>0) (a)->sign=(short)VP_SIGN_POSITIVE_FINITE;else (a)->sign=(short)VP_SIGN_NEGATIVE_FINITE;}

Definition at line 350 of file bigdecimal.h.

Referenced by VpAsgn(), VpDtoV(), VpFrac(), and VpPower().

◆ VpSetZero

#define VpSetZero	(	a,
		s
	)	(void)(((s)>0)?VpSetPosZero(a):VpSetNegZero(a))

Definition at line 361 of file bigdecimal.h.

Referenced by VpAlloc(), VpDtoV(), VpFrac(), VpMidRound(), and VpPower().

Function Documentation

◆ VpActiveRound()

VP_EXPORT int VpActiveRound	(	Real *	y,
		Real *	x,
		unsigned short	f,
		ssize_t	il
	)

Definition at line 6141 of file bigdecimal.c.

References VpAsgn(), and VpMidRound().

◆ VpAddSub()

VP_EXPORT size_t VpAddSub	(	Real *	c,
		Real *	a,
		Real *	b,
		int	operation
	)

Definition at line 4224 of file bigdecimal.c.

References BDIGIT.

Referenced by VpSqrt().

◆ VpAlloc()

VP_EXPORT Real* VpAlloc	(	size_t	mx,
		const char *	szVal
	)

Definition at line 4014 of file bigdecimal.c.

References BASE_FIG, buf, ISDIGIT, ISSPACE, Max, Real::MaxPrec, ne, NULL, PRIsVALUE, rb_eArgError, rb_raise(), rb_str_new2, rb_str_resize(), rb_str_tmp_new(), RSTRING_PTR, StrCmp, strlen(), SZ_INF, SZ_NaN, SZ_NINF, SZ_PINF, VP_EXPORT, VpAllocReal, VpCtoV(), VpGetPrecLimit(), VpSetNaN, VpSetNegInf, VpSetPosInf, and VpSetZero.

Referenced by VpInit(), VpNewRbClass(), VpPower(), and VpSqrt().

◆ VpAsgn()

VP_EXPORT size_t VpAsgn	(	Real *	c,
		Real *	a,
		int	isw
	)

Definition at line 4180 of file bigdecimal.c.

References BDIGIT, Real::exponent, Real::frac, Real::MaxPrec, Real::Prec, VpGetSign, VpIsInf, VpIsNaN, VpIsZero, VpSetInf, VpSetNaN, and VpSetSign.

Referenced by VpActiveRound(), VpFrac(), VpPower(), and VpSqrt().

◆ VpComp()

VP_EXPORT int VpComp	(	Real *	a,
		Real *	b
	)

Definition at line 5061 of file bigdecimal.c.

References BASE1, BDIGIT, BIGDECIMAL_NEGATIVE_P, Real::exponent, Real::frac, Real::MaxPrec, Real::Prec, PRIdSIZE, PRIdVALUE, RMPD_COMPONENT_FIGURES, Real::sign, SZ_INF, SZ_NaN, SZ_NINF, val, VpExponent10(), VpGetSign, VpIsDef, VpIsNaN, VpIsNegInf, VpIsPosInf, and VpIsZero.

◆ VpCreateRbObject()

VP_EXPORT Real* VpCreateRbObject	(	size_t	mx,
		const char *	str
	)

Definition at line 670 of file bigdecimal.c.

References rb_cBigDecimal, and VpNewRbClass().

◆ VpCtoV()

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
	)

Definition at line 5499 of file bigdecimal.c.

Referenced by VpAlloc().

◆ VpDivd()

VP_EXPORT size_t VpDivd	(	Real *	c,
		Real *	r,
		Real *	a,
		Real *	b
	)

Definition at line 4808 of file bigdecimal.c.

References BDIGIT, BDIGIT_DBL, and VpSetNaN.

Referenced by VpPower(), and VpSqrt().

◆ VpDtoV()

VP_EXPORT void VpDtoV	(	Real *	m,
		double	d
	)

Definition at line 5723 of file bigdecimal.c.

References BASE, BDIGIT, Real::exponent, Real::frac, isinf(), isnan, Real::MaxPrec, ne, Real::Prec, SIGNED_VALUE, val, VpSetNaN, VpSetNegInf, VpSetPosInf, VpSetSign, and VpSetZero.

Referenced by VpSqrt().

◆ VpException()

VP_EXPORT int VpException	(	unsigned short	f,
		const char *	str,
		int	always
	)

Definition at line 3755 of file bigdecimal.c.

Referenced by VpMemAlloc(), VpMemRealloc(), and VpSqrt().

◆ VpExponent10()

VP_EXPORT ssize_t VpExponent10 ( Real * a )

Definition at line 5286 of file bigdecimal.c.

References BASE1, BASE_FIG, Real::exponent, Real::frac, VP_EXPORT, and VpHasVal.

Referenced by VpComp().

◆ VpFrac()

VP_EXPORT void VpFrac	(	Real *	y,
		Real *	x
	)

Definition at line 6236 of file bigdecimal.c.

References Real::exponent, Real::frac, Real::MaxPrec, Min, Real::Prec, VpAsgn(), VpGetSign, VpHasVal, VpSetSign, and VpSetZero.

◆ VpFree()

VP_EXPORT void VpFree ( Real * pv )

Definition at line 3533 of file bigdecimal.c.

References NULL, and xfree().

Referenced by VpPower(), and VpSqrt().

◆ VpGetDoubleNaN()

VP_EXPORT double VpGetDoubleNaN ( void )

Definition at line 3714 of file bigdecimal.c.

Referenced by VpInit(), and VpVtoD().

◆ VpGetDoubleNegInf()

VP_EXPORT double VpGetDoubleNegInf ( void )

Definition at line 3730 of file bigdecimal.c.

Referenced by VpInit(), and VpVtoD().

◆ VpGetDoubleNegZero()

VP_EXPORT double VpGetDoubleNegZero ( void )

Definition at line 3738 of file bigdecimal.c.

Referenced by VpInit(), and VpVtoD().

◆ VpGetDoublePosInf()

VP_EXPORT double VpGetDoublePosInf ( void )

Definition at line 3722 of file bigdecimal.c.

Referenced by VpInit(), and VpVtoD().

◆ VpGetPrecLimit()

VP_EXPORT size_t VpGetPrecLimit ( void )

Definition at line 3598 of file bigdecimal.c.

References rb_thread_current(), and rb_thread_local_aref().

Referenced by VpAlloc(), and VpSetPrecLimit().

◆ VpGetRoundMode()

VP_EXPORT unsigned short VpGetRoundMode ( void )

Definition at line 3633 of file bigdecimal.c.

References rb_thread_current(), and rb_thread_local_aref().

Referenced by VpSetRoundMode().

◆ VpInit()

VP_EXPORT size_t VpInit ( BDIGIT BaseVal )

Definition at line 3926 of file bigdecimal.c.

References BASE, BASE1, BASE_FIG, DBLE_FIG, HALF_BASE, PRIuBDIGIT, VpAlloc(), VpGetDoubleNaN(), VpGetDoubleNegInf(), VpGetDoubleNegZero(), and VpGetDoublePosInf().

◆ VpIsRoundMode()

VP_EXPORT int VpIsRoundMode ( unsigned short n )

Definition at line 3649 of file bigdecimal.c.

References VP_EXPORT, VP_ROUND_CEIL, VP_ROUND_DOWN, VP_ROUND_FLOOR, VP_ROUND_HALF_DOWN, VP_ROUND_HALF_EVEN, VP_ROUND_HALF_UP, and VP_ROUND_UP.

Referenced by VpSetRoundMode().

◆ VpLeftRound()

VP_EXPORT int VpLeftRound	(	Real *	y,
		unsigned short	f,
		ssize_t	nf
	)

Definition at line 6126 of file bigdecimal.c.

References BASE_FIG, BDIGIT, Real::frac, VP_EXPORT, VpExponent, VpHasVal, and VpMidRound().

◆ VpMemAlloc()

VP_EXPORT void* VpMemAlloc ( size_t mb )

Definition at line 3509 of file bigdecimal.c.

References VP_EXCEPTION_MEMORY, VP_EXPORT, VpException(), and xmalloc.

◆ VpMemRealloc()

VP_EXPORT void* VpMemRealloc	(	void *	ptr,
		size_t	mb
	)

Definition at line 3523 of file bigdecimal.c.

References VP_EXCEPTION_MEMORY, VP_EXPORT, VpException(), and xrealloc.

◆ VpMidRound()

VP_EXPORT int VpMidRound	(	Real *	y,
		unsigned short	f,
		ssize_t	nf
	)

Definition at line 5964 of file bigdecimal.c.

References BASE, BASE_FIG, BDIGIT, BIGDECIMAL_NEGATIVE_P, BIGDECIMAL_POSITIVE_P, div, Real::exponent, Real::frac, Real::Prec, VP_ROUND_CEIL, VP_ROUND_DOWN, VP_ROUND_FLOOR, VP_ROUND_HALF_DOWN, VP_ROUND_HALF_EVEN, VP_ROUND_HALF_UP, VP_ROUND_UP, VpGetSign, and VpSetZero.

Referenced by VpActiveRound(), and VpLeftRound().

◆ VpMult()

VP_EXPORT size_t VpMult	(	Real *	c,
		Real *	a,
		Real *	b
	)

Definition at line 4679 of file bigdecimal.c.

References BDIGIT, and BDIGIT_DBL.

Referenced by VpPower(), and VpSqrt().

◆ VpNewRbClass()

VP_EXPORT Real* VpNewRbClass	(	size_t	mx,
		char const *	str,
		VALUE	klass
	)

Definition at line 660 of file bigdecimal.c.

References Real::obj, RTYPEDDATA_DATA, TypedData_Wrap_Struct, VP_EXPORT, and VpAlloc().

Referenced by VpCreateRbObject().

◆ VpNumOfChars()

VP_EXPORT size_t VpNumOfChars	(	Real *	vp,
		const char *	pszFmt
	)

Definition at line 3882 of file bigdecimal.c.

References BASE_FIG, Real::exponent, NULL, Real::Prec, SIGNED_VALUE, VP_EXPORT, and VpIsDef.

◆ VpOne()

VP_EXPORT Real* VpOne ( void )

Definition at line 3957 of file bigdecimal.c.

◆ VpPower()

VP_EXPORT int VpPower	(	Real *	y,
		Real *	x,
		SIGNED_VALUE	n
	)

Definition at line 6284 of file bigdecimal.c.

References BASE, BASE_FIG, BIGDECIMAL_POSITIVE_P, Real::exponent, Real::frac, Real::MaxPrec, NULL, Real::Prec, PRIdVALUE, PRIuBDIGIT, PRIuSIZE, SIGNED_VALUE, VpAlloc(), VpAsgn(), VpDivd(), VpFree(), VpGetSign, VpIsInf, VpIsNaN, VpIsPosInf, VpIsZero, VpMult(), VpSetInf, VpSetNaN, VpSetOne, VpSetSign, and VpSetZero.

◆ VpSetPrecLimit()

VP_EXPORT size_t VpSetPrecLimit ( size_t n )

Definition at line 3614 of file bigdecimal.c.

References rmpd_set_thread_local_precision_limit, and VpGetPrecLimit().

◆ VpSetRoundMode()

VP_EXPORT unsigned short VpSetRoundMode ( unsigned short n )

Definition at line 3667 of file bigdecimal.c.

References rmpd_set_thread_local_rounding_mode, VpGetRoundMode(), and VpIsRoundMode().

◆ VpSqrt()

VP_EXPORT int VpSqrt	(	Real *	y,
		Real *	x
	)

Definition at line 5855 of file bigdecimal.c.

References BASE, BASE_FIG, BIGDECIMAL_NEGATIVE_P, DBLE_FIG, Real::exponent, f, if(), maxnr, Real::MaxPrec, Min, NULL, PRIdSIZE, SIGNED_VALUE, val, VP_EXCEPTION_OP, VP_EXPORT, VpAddSub(), VpAlloc(), VpAsgn(), VpChangeSign, VpDivd(), VpDtoV(), VpException(), VpFree(), VpIsNaN, VpIsOne, VpIsPosInf, VpIsZero, VpMult(), VpSetNaN, VpSetOne, and VpVtoD().

◆ VpSzMantissa()

VP_EXPORT void VpSzMantissa	(	Real *	a,
		char *	psz
	)

Definition at line 5303 of file bigdecimal.c.

References BASE1, BDIGIT_DBL, BIGDECIMAL_NEGATIVE_P, Real::frac, Real::Prec, strlen(), SZ_INF, SZ_NaN, SZ_NINF, VP_EXPORT, VpIsNaN, VpIsNegInf, VpIsPosInf, VpIsPosZero, and VpIsZero.

◆ VpToFString()

VP_EXPORT void VpToFString	(	Real *	a,
		char *	psz,
		size_t	fFmt,
		int	fPlus
	)

Definition at line 5433 of file bigdecimal.c.

References BASE, BASE1, BASE_FIG, BDIGIT, BIGDECIMAL_NEGATIVE_P, Real::exponent, Real::frac, Real::Prec, strlen(), and VpToSpecialString().

◆ VpToSpecialString()

VP_EXPORT int VpToSpecialString	(	Real *	a,
		char *	psz,
		int	fPlus
	)

Definition at line 5350 of file bigdecimal.c.

References SZ_INF, SZ_NaN, SZ_NINF, VP_EXPORT, VpIsNaN, VpIsNegInf, VpIsPosInf, VpIsPosZero, and VpIsZero.

Referenced by VpToFString().

◆ VpToString()

VP_EXPORT void VpToString	(	Real *	a,
		char *	psz,
		size_t	fFmt,
		int	fPlus
	)

Definition at line 5385 of file bigdecimal.c.

References BDIGIT.

◆ VpVtoD()

VP_EXPORT int VpVtoD	(	double *	d,
		SIGNED_VALUE *	e,
		Real *	m
	)

Definition at line 5659 of file bigdecimal.c.

References BASE, BASE_FIG, DBLE_FIG, div, Real::exponent, f, Real::frac, Min, Real::Prec, SIGNED_VALUE, VP_EXPORT, VpGetDoubleNaN(), VpGetDoubleNegInf(), VpGetDoubleNegZero(), VpGetDoublePosInf(), VpGetSign, VpIsNaN, VpIsNegInf, VpIsNegZero, VpIsPosInf, and VpIsPosZero.

Referenced by VpSqrt().

Variable Documentation

◆ rb_cBigDecimal

VALUE rb_cBigDecimal

Definition at line 45 of file bigdecimal.c.

Referenced by VpCreateRbObject().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ Abs

◆ BDIGIT

◆ BDIGIT_DBL

◆ BDIGIT_DBL_SIGNED

◆ FLEXIBLE_ARRAY_SIZE

◆ Max

◆ Min

◆ PRI_BDIGIT_DBL_PREFIX

◆ PRI_BDIGIT_PREFIX

◆ PRIdBDIGIT

◆ PRIdBDIGIT_DBL

◆ PRIiBDIGIT

◆ PRIiBDIGIT_DBL

◆ PRIoBDIGIT

◆ PRIoBDIGIT_DBL

◆ PRIuBDIGIT

◆ PRIuBDIGIT_DBL

◆ PRIxBDIGIT

◆ PRIXBDIGIT

◆ PRIxBDIGIT_DBL

◆ PRIXBDIGIT_DBL

◆ RMPD_BASE

◆ RMPD_COMPONENT_FIGURES

◆ RMPD_EXCEPTION_MODE_DEFAULT

◆ RMPD_ROUNDING_MODE_DEFAULT

◆ RUBY_NO_OLD_COMPATIBILITY

◆ SIZEOF_BDIGITS

◆ SZ_INF

◆ SZ_NaN

◆ SZ_NINF

◆ SZ_PINF

◆ vabs

◆ VP_EXCEPTION_ALL

◆ VP_EXCEPTION_INFINITY

◆ VP_EXCEPTION_MEMORY

◆ VP_EXCEPTION_NaN

◆ VP_EXCEPTION_OP

◆ VP_EXCEPTION_OVERFLOW

◆ VP_EXCEPTION_UNDERFLOW

◆ VP_EXCEPTION_ZERODIVIDE

◆ VP_EXPORT

◆ VP_ROUND_CEIL

◆ VP_ROUND_DOWN

◆ VP_ROUND_FLOOR

◆ VP_ROUND_HALF_DOWN

◆ VP_ROUND_HALF_EVEN

◆ VP_ROUND_HALF_UP

◆ VP_ROUND_MODE

◆ VP_ROUND_UP

◆ VP_SIGN_NaN

◆ VP_SIGN_NEGATIVE_FINITE

◆ VP_SIGN_NEGATIVE_INFINITE

◆ VP_SIGN_NEGATIVE_ZERO

◆ VP_SIGN_POSITIVE_FINITE

◆ VP_SIGN_POSITIVE_INFINITE

◆ VP_SIGN_POSITIVE_ZERO

◆ VpBaseFig

◆ VpBaseVal

◆ VpChangeSign

◆ VpDblFig

◆ VpExponent

◆ VpGetFlag

◆ VpGetSign

◆ VpHasVal

◆ VpIsDef

◆ VpIsInf

◆ VpIsNaN

◆ VpIsNegInf

◆ VpIsNegZero

◆ VpIsOne

◆ VpIsPosInf

◆ VpIsPosZero

◆ VpIsZero

◆ VpMaxPrec

◆ VpPrec