#include "bigdecimal.h"
#include "ruby/util.h"
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <math.h>

Macros
#define	NDEBUG

#define	MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, min, max)

#define	SIGNED_VALUE_MAX INTPTR_MAX

#define	SIGNED_VALUE_MIN INTPTR_MIN

#define	MUL_OVERFLOW_SIGNED_VALUE_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, SIGNED_VALUE_MIN, SIGNED_VALUE_MAX)

#define	ENTER(n) volatile VALUE RB_UNUSED_VAR(vStack[n]);int iStack=0

#define	PUSH(x) (vStack[iStack++] = (VALUE)(x))

#define	SAVE(p) PUSH((p)->obj)

#define	GUARD_OBJ(p, y) ((p)=(y), SAVE(p))

#define	BASE_FIG RMPD_COMPONENT_FIGURES

#define	BASE RMPD_BASE

#define	HALF_BASE (BASE/2)

#define	BASE1 (BASE/10)

#define	DBLE_FIG (DBL_DIG+1) /* figure of double */

#define	RRATIONAL_ZERO_P(x)

#define	RRATIONAL_NEGATIVE_P(x) RTEST(rb_funcall((x), '<', 1, INT2FIX(0)))

#define	RB_OBJ_CLASSNAME(obj) rb_obj_class(obj)

#define	RB_OBJ_STRING(obj) (obj)

#define	BIGDECIMAL_POSITIVE_P(bd) ((bd)->sign > 0)

#define	BIGDECIMAL_NEGATIVE_P(bd) ((bd)->sign < 0)

#define	DoSomeOne(x, y, f) rb_num_coerce_bin(x,y,f)

#define	VpAllocReal(prec) (Real )VpMemAlloc(offsetof(Real, frac) + (prec) sizeof(BDIGIT))

#define	VpReallocReal(ptr, prec) (Real )VpMemRealloc((ptr), offsetof(Real, frac) + (prec) sizeof(BDIGIT))

#define	BigMath_exp(x, n) BigMath_s_exp(rb_mBigMath, (x), (n))

#define	BigMath_log(x, n) BigMath_s_log(rb_mBigMath, (x), (n))

#define	is_positive(x) (!is_negative(x))

#define	maxnr 100UL /* Maximum iterations for calculating sqrt. */

#define	MemCmp(x, y, z) memcmp(x,y,z)

#define	StrCmp(x, y) strcmp(x,y)

#define	rmpd_set_thread_local_exception_mode(mode)

#define	rmpd_set_thread_local_precision_limit(limit)

#define	RMPD_PRECISION_LIMIT_DEFAULT ((size_t)0)

#define	rmpd_set_thread_local_rounding_mode(mode)

Enumerations
enum	op_sw { OP_SW_ADD = 1, OP_SW_SUB, OP_SW_MULT, OP_SW_DIV }

Functions
	NORETURN (static void cannot_be_coerced_into_BigDecimal(VALUE, VALUE))

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

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

void	Init_bigdecimal (void)

VP_EXPORT void *	VpMemAlloc (size_t mb)

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

VP_EXPORT void	VpFree (Real *pv)

VP_EXPORT size_t	VpGetPrecLimit (void)

VP_EXPORT size_t	VpSetPrecLimit (size_t n)

VP_EXPORT unsigned short	VpGetRoundMode (void)

VP_EXPORT int	VpIsRoundMode (unsigned short n)

VP_EXPORT unsigned short	VpSetRoundMode (unsigned short n)

VP_EXPORT double	VpGetDoubleNaN (void)

VP_EXPORT double	VpGetDoublePosInf (void)

VP_EXPORT double	VpGetDoubleNegInf (void)

VP_EXPORT double	VpGetDoubleNegZero (void)

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 Real *	VpOne (void)

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

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

VP_EXPORT int	VpActiveRound (Real y, Real x, 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)

Variables
VALUE	rb_cBigDecimal

VALUE	rb_mBigMath

volatile const double	gZero_ABCED9B1_CE73__00400511F31D = 0.0

volatile const double	gOne_ABCED9B4_CE73__00400511F31D = 1.0

Macro Definition Documentation

◆ BASE

#define BASE RMPD_BASE

Definition at line 74 of file bigdecimal.c.

Referenced by VpDtoV(), VpInit(), VpMidRound(), VpPower(), VpSqrt(), VpToFString(), and VpVtoD().

◆ BASE1

#define BASE1 (BASE/10)

Definition at line 77 of file bigdecimal.c.

Referenced by VpComp(), VpExponent10(), VpInit(), VpSzMantissa(), and VpToFString().

◆ BASE_FIG

#define BASE_FIG RMPD_COMPONENT_FIGURES

Definition at line 73 of file bigdecimal.c.

Referenced by VpAlloc(), VpExponent10(), VpInit(), VpLeftRound(), VpMidRound(), VpNumOfChars(), VpPower(), VpSqrt(), VpToFString(), and VpVtoD().

◆ BIGDECIMAL_NEGATIVE_P

#define BIGDECIMAL_NEGATIVE_P ( bd ) ((bd)->sign < 0)

Definition at line 131 of file bigdecimal.c.

Referenced by VpComp(), VpMidRound(), VpSqrt(), VpSzMantissa(), and VpToFString().

◆ BIGDECIMAL_POSITIVE_P

#define BIGDECIMAL_POSITIVE_P ( bd ) ((bd)->sign > 0)

Definition at line 130 of file bigdecimal.c.

Referenced by VpMidRound(), and VpPower().

◆ BigMath_exp

#define BigMath_exp	(	x,
		n
	)	BigMath_s_exp(rb_mBigMath, (x), (n))

Definition at line 2189 of file bigdecimal.c.

◆ BigMath_log

#define BigMath_log	(	x,
		n
	)	BigMath_s_log(rb_mBigMath, (x), (n))

Definition at line 2190 of file bigdecimal.c.

◆ DBLE_FIG

#define DBLE_FIG (DBL_DIG+1) /* figure of double */

Definition at line 80 of file bigdecimal.c.

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

◆ DoSomeOne

#define DoSomeOne	(	x,
		y,
		f
	)	rb_num_coerce_bin(x,y,f)

Definition at line 136 of file bigdecimal.c.

◆ ENTER

#define ENTER ( n ) volatile VALUE RB_UNUSED_VAR(vStack[n]);int iStack=0

Definition at line 68 of file bigdecimal.c.

◆ GUARD_OBJ

#define GUARD_OBJ	(	p,
		y
	)	((p)=(y), SAVE(p))

Definition at line 71 of file bigdecimal.c.

◆ HALF_BASE

#define HALF_BASE (BASE/2)

Definition at line 76 of file bigdecimal.c.

Referenced by VpInit().

◆ is_positive

#define is_positive ( x ) (!is_negative(x))

Definition at line 2213 of file bigdecimal.c.

◆ maxnr

#define maxnr 100UL /* Maximum iterations for calculating sqrt. */

Definition at line 3481 of file bigdecimal.c.

Referenced by VpSqrt().

◆ MemCmp

#define MemCmp	(	x,
		y,
		z
	)	memcmp(x,y,z)

Definition at line 3485 of file bigdecimal.c.

◆ MUL_OVERFLOW_SIGNED_INTEGER_P

#define MUL_OVERFLOW_SIGNED_INTEGER_P	(	a,
		b,
		min,
		max
	)

Value:

( \
    (a) == 0 ? 0 : \
    (a) == -1 ? (b) < -(max) : \
    (a) > 0 ? \
      ((b) > 0 ? (max) / (a) < (b) : (min) / (a) > (b)) : \
      ((b) > 0 ? (min) / (a) < (b) : (max) / (a) > (b)))

Definition at line 35 of file bigdecimal.c.

◆ MUL_OVERFLOW_SIGNED_VALUE_P

#define MUL_OVERFLOW_SIGNED_VALUE_P	(	a,
		b
	)	MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, SIGNED_VALUE_MIN, SIGNED_VALUE_MAX)

Definition at line 43 of file bigdecimal.c.

◆ NDEBUG

#define NDEBUG

Definition at line 17 of file bigdecimal.c.

◆ PUSH

#define PUSH ( x ) (vStack[iStack++] = (VALUE)(x))

Definition at line 69 of file bigdecimal.c.

◆ RB_OBJ_CLASSNAME

#define RB_OBJ_CLASSNAME ( obj ) rb_obj_class(obj)

Definition at line 98 of file bigdecimal.c.

◆ RB_OBJ_STRING

#define RB_OBJ_STRING ( obj ) (obj)

Definition at line 99 of file bigdecimal.c.

◆ RMPD_PRECISION_LIMIT_DEFAULT

#define RMPD_PRECISION_LIMIT_DEFAULT ((size_t)0)

Definition at line 3594 of file bigdecimal.c.

◆ rmpd_set_thread_local_exception_mode

#define rmpd_set_thread_local_exception_mode ( mode )

Value:

rb_thread_local_aset( \
        rb_thread_current(), \
        id_BigDecimal_exception_mode, \
        INT2FIX((int)(mode)) \
    )

Definition at line 3555 of file bigdecimal.c.

◆ rmpd_set_thread_local_precision_limit

#define rmpd_set_thread_local_precision_limit ( limit )

Value:

rb_thread_local_aset( \
        rb_thread_current(), \
        id_BigDecimal_precision_limit, \
        SIZET2NUM(limit) \
    )

Definition at line 3588 of file bigdecimal.c.

Referenced by VpSetPrecLimit().

◆ rmpd_set_thread_local_rounding_mode

#define rmpd_set_thread_local_rounding_mode ( mode )

Value:

rb_thread_local_aset( \
        rb_thread_current(), \
        id_BigDecimal_rounding_mode, \
        INT2FIX((int)(mode)) \
    )

Definition at line 3625 of file bigdecimal.c.

Referenced by VpSetRoundMode().

◆ RRATIONAL_NEGATIVE_P

#define RRATIONAL_NEGATIVE_P ( x ) RTEST(rb_funcall((x), '<', 1, INT2FIX(0)))

Definition at line 89 of file bigdecimal.c.

◆ RRATIONAL_ZERO_P

#define RRATIONAL_ZERO_P ( x )

Value:

(FIXNUM_P(rb_rational_num(x)) && \

FIX2LONG(rb_rational_num(x)) == 0)

FIXNUM_P

#define FIXNUM_P(f)

Definition: ruby.h:365

Definition at line 84 of file bigdecimal.c.

◆ SAVE

#define SAVE ( p ) PUSH((p)->obj)

Definition at line 70 of file bigdecimal.c.

◆ SIGNED_VALUE_MAX

#define SIGNED_VALUE_MAX INTPTR_MAX

Definition at line 41 of file bigdecimal.c.

◆ SIGNED_VALUE_MIN

#define SIGNED_VALUE_MIN INTPTR_MIN

Definition at line 42 of file bigdecimal.c.

◆ StrCmp

#define StrCmp	(	x,
		y
	)	strcmp(x,y)

Definition at line 3486 of file bigdecimal.c.

Referenced by VpAlloc().

◆ VpAllocReal

#define VpAllocReal ( prec ) (Real *)VpMemAlloc(offsetof(Real, frac) + (prec) * sizeof(BDIGIT))

Definition at line 675 of file bigdecimal.c.

Referenced by VpAlloc().

◆ VpReallocReal

#define VpReallocReal	(	ptr,
		prec
	)	(Real )VpMemRealloc((ptr), offsetof(Real, frac) + (prec) sizeof(BDIGIT))

Definition at line 676 of file bigdecimal.c.

Enumeration Type Documentation

◆ op_sw

enum op_sw

Enumerator
OP_SW_ADD
OP_SW_SUB
OP_SW_MULT
OP_SW_DIV

Definition at line 3488 of file bigdecimal.c.

Function Documentation

◆ Init_bigdecimal()

void Init_bigdecimal ( void )

Definition at line 3245 of file bigdecimal.c.

◆ NORETURN()

NORETURN ( static void cannot_be_coerced_into_BigDecimalVALUE, VALUE )

◆ VpActiveRound()

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

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,
		const char *	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

◆ gOne_ABCED9B4_CE73__00400511F31D

volatile const double gOne_ABCED9B4_CE73__00400511F31D = 1.0

Definition at line 3686 of file bigdecimal.c.

◆ gZero_ABCED9B1_CE73__00400511F31D

volatile const double gZero_ABCED9B1_CE73__00400511F31D = 0.0

Definition at line 3685 of file bigdecimal.c.

◆ rb_cBigDecimal

VALUE rb_cBigDecimal

Definition at line 45 of file bigdecimal.c.

Referenced by VpCreateRbObject().

◆ rb_mBigMath

VALUE rb_mBigMath

Definition at line 46 of file bigdecimal.c.

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ BASE

◆ BASE1

◆ BASE_FIG

◆ BIGDECIMAL_NEGATIVE_P

◆ BIGDECIMAL_POSITIVE_P

◆ BigMath_exp

◆ BigMath_log

◆ DBLE_FIG

◆ DoSomeOne

◆ ENTER

◆ GUARD_OBJ

◆ HALF_BASE

◆ is_positive

◆ maxnr

◆ MemCmp

◆ MUL_OVERFLOW_SIGNED_INTEGER_P

◆ MUL_OVERFLOW_SIGNED_VALUE_P

◆ NDEBUG

◆ PUSH

◆ RB_OBJ_CLASSNAME

◆ RB_OBJ_STRING

◆ RMPD_PRECISION_LIMIT_DEFAULT

◆ rmpd_set_thread_local_exception_mode

◆ rmpd_set_thread_local_precision_limit

◆ rmpd_set_thread_local_rounding_mode

◆ RRATIONAL_NEGATIVE_P

◆ RRATIONAL_ZERO_P

◆ SAVE

◆ SIGNED_VALUE_MAX

◆ SIGNED_VALUE_MIN

◆ StrCmp

◆ VpAllocReal

◆ VpReallocReal

Enumeration Type Documentation

◆ op_sw

Function Documentation

◆ Init_bigdecimal()

◆ NORETURN()

◆ VpActiveRound()

◆ VpAddSub()

◆ VpAlloc()

◆ VpAsgn()

◆ VpComp()

◆ VpCreateRbObject()

◆ VpCtoV()

◆ VpDivd()

◆ VpDtoV()

◆ VpException()

◆ VpExponent10()

◆ VpFrac()

◆ VpFree()

◆ VpGetDoubleNaN()

◆ VpGetDoubleNegInf()

◆ VpGetDoubleNegZero()

◆ VpGetDoublePosInf()

◆ VpGetPrecLimit()

◆ VpGetRoundMode()

◆ VpInit()

◆ VpIsRoundMode()

◆ VpLeftRound()

◆ VpMemAlloc()

◆ VpMemRealloc()

◆ VpMidRound()

◆ VpMult()

◆ VpNewRbClass()

◆ VpNumOfChars()

◆ VpOne()

◆ VpPower()

◆ VpSetPrecLimit()

◆ VpSetRoundMode()

◆ VpSqrt()

◆ VpSzMantissa()

◆ VpToFString()

◆ VpToSpecialString()

◆ VpToString()