Ruby  1.9.3p537(2014-02-19revision0)
Defines | Functions | Variables
ext/bigdecimal/bigdecimal.c File Reference
#include "bigdecimal.h"
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <math.h>

Go to the source code of this file.

Defines

#define NDEBUG
#define ENTER(n)   volatile VALUE 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 RBIGNUM_ZERO_P(x)
#define RRATIONAL_ZERO_P(x)
#define RRATIONAL_NEGATIVE_P(x)   RTEST(rb_funcall((x), '<', 1, INT2FIX(0)))
#define PRIsVALUE   "s"
#define RB_OBJ_CLASSNAME(obj)   rb_obj_classname(obj)
#define RB_OBJ_STRING(obj)   StringValueCStr(obj)
#define DoSomeOne(x, y, f)   rb_num_coerce_bin(x,y,f)
#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 calcurating 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)

Functions

static int bigzero_p (VALUE x)
static VALUE BigDecimal_version (VALUE self)
static unsigned short VpGetException (void)
static void VpSetException (unsigned short f)
static void VpInternalRound (Real *c, size_t ixDigit, BDIGIT vPrev, BDIGIT v)
static int VpLimitRound (Real *c, size_t ixDigit)
static Real * VpDup (Real const *const x)
static void BigDecimal_delete (void *pv)
static size_t BigDecimal_memsize (const void *ptr)
static int is_kind_of_BigDecimal (VALUE const v)
static VALUE ToValue (Real *p)
 NORETURN (static void cannot_be_coerced_into_BigDecimal(VALUE, VALUE))
static void cannot_be_coerced_into_BigDecimal (VALUE exc_class, VALUE v)
static VALUE BigDecimal_div2 (int, VALUE *, VALUE)
static Real * GetVpValueWithPrec (VALUE v, long prec, int must)
static Real * GetVpValue (VALUE v, int must)
static VALUE BigDecimal_double_fig (VALUE self)
static VALUE BigDecimal_prec (VALUE self)
static VALUE BigDecimal_hash (VALUE self)
static VALUE BigDecimal_dump (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_load (VALUE self, VALUE str)
static unsigned short check_rounding_mode (VALUE const v)
static VALUE BigDecimal_mode (int argc, VALUE *argv, VALUE self)
static size_t GetAddSubPrec (Real *a, Real *b)
static SIGNED_VALUE GetPositiveInt (VALUE v)
VP_EXPORT Real * VpNewRbClass (size_t mx, const char *str, VALUE klass)
VP_EXPORT Real * VpCreateRbObject (size_t mx, const char *str)
static VALUE BigDecimal_IsNaN (VALUE self)
static VALUE BigDecimal_IsInfinite (VALUE self)
static VALUE BigDecimal_IsFinite (VALUE self)
static void BigDecimal_check_num (Real *p)
static VALUE BigDecimal_split (VALUE self)
static VALUE BigDecimal_to_i (VALUE self)
static VALUE BigDecimal_to_f (VALUE self)
static VALUE BigDecimal_to_r (VALUE self)
static VALUE BigDecimal_coerce (VALUE self, VALUE other)
static VALUE BigDecimal_uplus (VALUE self)
static VALUE BigDecimal_add (VALUE self, VALUE r)
static VALUE BigDecimal_sub (VALUE self, VALUE r)
static VALUE BigDecimalCmp (VALUE self, VALUE r, char op)
static VALUE BigDecimal_zero (VALUE self)
static VALUE BigDecimal_nonzero (VALUE self)
static VALUE BigDecimal_comp (VALUE self, VALUE r)
static VALUE BigDecimal_eq (VALUE self, VALUE r)
static VALUE BigDecimal_lt (VALUE self, VALUE r)
static VALUE BigDecimal_le (VALUE self, VALUE r)
static VALUE BigDecimal_gt (VALUE self, VALUE r)
static VALUE BigDecimal_ge (VALUE self, VALUE r)
static VALUE BigDecimal_neg (VALUE self)
static VALUE BigDecimal_mult (VALUE self, VALUE r)
static VALUE BigDecimal_divide (Real **c, Real **res, Real **div, VALUE self, VALUE r)
static VALUE BigDecimal_div (VALUE self, VALUE r)
static VALUE BigDecimal_DoDivmod (VALUE self, VALUE r, Real **div, Real **mod)
static VALUE BigDecimal_mod (VALUE self, VALUE r)
static VALUE BigDecimal_divremain (VALUE self, VALUE r, Real **dv, Real **rv)
static VALUE BigDecimal_remainder (VALUE self, VALUE r)
static VALUE BigDecimal_divmod (VALUE self, VALUE r)
static VALUE BigDecimal_add2 (VALUE self, VALUE b, VALUE n)
static VALUE BigDecimal_sub2 (VALUE self, VALUE b, VALUE n)
static VALUE BigDecimal_mult2 (VALUE self, VALUE b, VALUE n)
static VALUE BigDecimal_abs (VALUE self)
static VALUE BigDecimal_sqrt (VALUE self, VALUE nFig)
static VALUE BigDecimal_fix (VALUE self)
static VALUE BigDecimal_round (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_truncate (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_frac (VALUE self)
static VALUE BigDecimal_floor (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_ceil (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_to_s (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_exponent (VALUE self)
static VALUE BigDecimal_inspect (VALUE self)
static VALUE BigMath_s_exp (VALUE, VALUE, VALUE)
static VALUE BigMath_s_log (VALUE, VALUE, VALUE)
static int is_integer (VALUE x)
static int is_negative (VALUE x)
static int is_zero (VALUE x)
static int is_one (VALUE x)
static int is_even (VALUE x)
static VALUE rmpd_power_by_big_decimal (Real const *x, Real const *exp, ssize_t const n)
static VALUE BigDecimal_power (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_power_op (VALUE self, VALUE exp)
static VALUE BigDecimal_new (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_global_new (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_limit (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_sign (VALUE self)
static VALUE BigDecimal_save_exception_mode (VALUE self)
static VALUE BigDecimal_save_rounding_mode (VALUE self)
static VALUE BigDecimal_save_limit (VALUE self)
void Init_bigdecimal (void)
static int VpIsDefOP (Real *c, Real *a, Real *b, int sw)
static int AddExponent (Real *a, SIGNED_VALUE n)
static BDIGIT VpAddAbs (Real *a, Real *b, Real *c)
static BDIGIT VpSubAbs (Real *a, Real *b, Real *c)
static size_t VpSetPTR (Real *a, Real *b, Real *c, size_t *a_pos, size_t *b_pos, size_t *c_pos, BDIGIT *av, BDIGIT *bv)
static int VpNmlz (Real *a)
static void VpFormatSt (char *psz, size_t fFmt)
static int VpRdup (Real *m, size_t ind_m)
VP_EXPORT void * VpMemAlloc (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)
static double Zero (void)
static double One (void)
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
static ID id_BigDecimal_exception_mode
static ID id_BigDecimal_rounding_mode
static ID id_BigDecimal_precision_limit
static ID id_up
static ID id_down
static ID id_truncate
static ID id_half_up
static ID id_default
static ID id_half_down
static ID id_half_even
static ID id_banker
static ID id_ceiling
static ID id_ceil
static ID id_floor
static ID id_to_r
static ID id_eq
static const rb_data_type_t BigDecimal_data_type
static Real * VpConstOne
static Real * VpPt5
volatile const double gZero_ABCED9B1_CE73__00400511F31D = 0.0
volatile const double gOne_ABCED9B4_CE73__00400511F31D = 1.0

Define Documentation

#define BASE   RMPD_BASE

Definition at line 69 of file bigdecimal.c.

Referenced by VpAddAbs(), VpDivd(), VpDtoV(), VpInit(), VpMidRound(), VpMult(), VpRdup(), VpSqrt(), VpSubAbs(), VpToFString(), and VpVtoD().

#define BASE1   (BASE/10)

Definition at line 72 of file bigdecimal.c.

Referenced by VpExponent10(), VpInit(), VpInternalRound(), VpSzMantissa(), VpToFString(), and VpToString().

#define BASE_FIG   RMPD_COMPONENT_FIGURES

Definition at line 68 of file bigdecimal.c.

Referenced by AddExponent(), BigDecimal_to_f(), VpAddSub(), VpAlloc(), VpAsgn(), VpCtoV(), VpDivd(), VpExponent10(), VpInit(), VpLeftRound(), VpLimitRound(), VpMidRound(), VpMult(), VpNumOfChars(), VpPower(), VpSqrt(), VpToFString(), VpToString(), and VpVtoD().

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

Definition at line 1967 of file bigdecimal.c.

Referenced by rmpd_power_by_big_decimal().

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

Definition at line 1968 of file bigdecimal.c.

Referenced by rmpd_power_by_big_decimal().

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

Definition at line 75 of file bigdecimal.c.

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

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

Definition at line 117 of file bigdecimal.c.

Referenced by BigDecimal_add(), BigDecimal_div2(), BigDecimal_divide(), BigDecimal_divmod(), BigDecimal_divremain(), BigDecimal_mod(), BigDecimal_mult(), and BigDecimal_sub().

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

Definition at line 63 of file bigdecimal.c.

Referenced by BigDecimal_abs(), BigDecimal_add(), BigDecimal_add2(), BigDecimal_ceil(), BigDecimal_coerce(), BigDecimal_div(), BigDecimal_div2(), BigDecimal_divide(), BigDecimal_divmod(), BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_dump(), BigDecimal_fix(), BigDecimal_floor(), BigDecimal_frac(), BigDecimal_hash(), BigDecimal_inspect(), BigDecimal_load(), BigDecimal_mod(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_neg(), BigDecimal_new(), BigDecimal_power(), BigDecimal_prec(), BigDecimal_round(), BigDecimal_split(), BigDecimal_sqrt(), BigDecimal_sub(), BigDecimal_sub2(), BigDecimal_to_f(), BigDecimal_to_i(), BigDecimal_to_s(), BigDecimal_truncate(), and BigDecimalCmp().

#define GUARD_OBJ (   p,
  y 
)    {p=y;SAVE(p);}

Definition at line 66 of file bigdecimal.c.

Referenced by BigDecimal_abs(), BigDecimal_add(), BigDecimal_add2(), BigDecimal_ceil(), BigDecimal_coerce(), BigDecimal_div2(), BigDecimal_divide(), BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_dump(), BigDecimal_fix(), BigDecimal_floor(), BigDecimal_frac(), BigDecimal_hash(), BigDecimal_inspect(), BigDecimal_load(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_neg(), BigDecimal_new(), BigDecimal_power(), BigDecimal_prec(), BigDecimal_round(), BigDecimal_split(), BigDecimal_sqrt(), BigDecimal_sub(), BigDecimal_sub2(), BigDecimal_to_f(), BigDecimal_to_i(), BigDecimal_to_s(), BigDecimal_truncate(), and BigDecimalCmp().

#define HALF_BASE   (BASE/2)

Definition at line 71 of file bigdecimal.c.

Referenced by VpInit().

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

Definition at line 1991 of file bigdecimal.c.

Referenced by BigDecimal_power().

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

Definition at line 3115 of file bigdecimal.c.

Referenced by VpSqrt().

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

Definition at line 3119 of file bigdecimal.c.

#define NDEBUG

Definition at line 23 of file bigdecimal.c.

#define PRIsVALUE   "s"

Definition at line 109 of file bigdecimal.c.

Referenced by BigDecimal_new(), ossl_asn1_default_tag(), ossl_cipher_init(), and ossl_x509_inspect().

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

Definition at line 64 of file bigdecimal.c.

#define RB_OBJ_CLASSNAME (   obj)    rb_obj_classname(obj)

Definition at line 110 of file bigdecimal.c.

Referenced by BigDecimal_new(), ossl_asn1_default_tag(), and ossl_x509_inspect().

#define RB_OBJ_STRING (   obj)    StringValueCStr(obj)

Definition at line 111 of file bigdecimal.c.

Referenced by ossl_cipher_init(), and ossl_x509_inspect().

#define RBIGNUM_ZERO_P (   x)
Value:
(RBIGNUM_LEN(x) == 0 || \
                            (RBIGNUM_DIGITS(x)[0] == 0 && \
                             (RBIGNUM_LEN(x) == 1 || bigzero_p(x))))

Definition at line 79 of file bigdecimal.c.

Referenced by BigMath_s_log().

#define RMPD_PRECISION_LIMIT_DEFAULT   ((size_t)0)

Definition at line 3211 of file bigdecimal.c.

Referenced by VpGetPrecLimit().

#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 3172 of file bigdecimal.c.

Referenced by VpGetException(), and VpSetException().

#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 3205 of file bigdecimal.c.

Referenced by VpGetPrecLimit(), and VpSetPrecLimit().

#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 3242 of file bigdecimal.c.

Referenced by VpGetRoundMode(), and VpSetRoundMode().

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

Definition at line 102 of file bigdecimal.c.

Referenced by BigMath_s_log().

#define RRATIONAL_ZERO_P (   x)
Value:
(FIXNUM_P(RRATIONAL(x)->num) && \
                              FIX2LONG(RRATIONAL(x)->num) == 0)

Definition at line 97 of file bigdecimal.c.

Referenced by BigMath_s_log().

#define SAVE (   p)    PUSH(p->obj);

Definition at line 65 of file bigdecimal.c.

Referenced by BigDecimal_add(), BigDecimal_div(), BigDecimal_divide(), BigDecimal_divmod(), BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_mod(), BigDecimal_mult(), BigDecimal_sub(), and BigDecimalCmp().

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

Definition at line 3120 of file bigdecimal.c.

Referenced by VpAlloc().

Function Documentation

static int AddExponent ( Real *  a,
SIGNED_VALUE  n 
) [static]

Definition at line 3591 of file bigdecimal.c.

References BASE_FIG, Real::exponent, SIGNED_VALUE, VP_EXCEPTION_OVERFLOW, VP_EXCEPTION_UNDERFLOW, VpException(), VpGetSign, VpSetInf, and VpSetZero.

Referenced by VpDivd(), VpMult(), VpNmlz(), VpRdup(), and VpSetPTR().

static VALUE BigDecimal_abs ( VALUE  self) [static]

Definition at line 1493 of file bigdecimal.c.

References ENTER, GetVpValue(), GUARD_OBJ, Real::Prec, ToValue(), VpAsgn(), VpBaseFig, VpChangeSign, and VpCreateRbObject().

Referenced by BigDecimal_power(), and Init_bigdecimal().

static VALUE BigDecimal_add ( VALUE  self,
VALUE  r 
) [static]

Definition at line 815 of file bigdecimal.c.

References DBL_DIG, DoSomeOne, ENTER, GetAddSubPrec(), GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, Real::obj, Real::Prec, RB_TYPE_P, SAVE, T_FLOAT, T_RATIONAL, ToValue(), VpAddSub(), VpBaseFig, VpCreateRbObject(), VpGetSign, VpIsNaN, and VpSetInf.

Referenced by BigDecimal_add2(), BigMath_s_exp(), BigMath_s_log(), and Init_bigdecimal().

static VALUE BigDecimal_add2 ( VALUE  self,
VALUE  b,
VALUE  n 
) [static]

Definition at line 1436 of file bigdecimal.c.

References BigDecimal_add(), cv, ENTER, GetPositiveInt(), GetVpValue(), GUARD_OBJ, SIGNED_VALUE, ToValue(), VpGetRoundMode(), VpLeftRound(), and VpSetPrecLimit().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_ceil ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 1739 of file bigdecimal.c.

References BigDecimal_to_i(), Check_Type, ENTER, FIX2INT, GetVpValue(), GUARD_OBJ, Real::Prec, rb_scan_args(), T_FIXNUM, ToValue(), VP_ROUND_CEIL, VpActiveRound(), VpBaseFig, VpCreateRbObject(), and VpSetPrecLimit().

Referenced by Init_bigdecimal().

static void BigDecimal_check_num ( Real *  p) [static]

Definition at line 620 of file bigdecimal.c.

References VP_EXCEPTION_INFINITY, VP_EXCEPTION_NaN, VpException(), VpIsNaN, VpIsNegInf, and VpIsPosInf.

Referenced by BigDecimal_to_i(), and BigDecimal_to_r().

static VALUE BigDecimal_coerce ( VALUE  self,
VALUE  other 
) [static]

Definition at line 774 of file bigdecimal.c.

References BigDecimal_to_f(), DATA_PTR, ENTER, GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, Real::obj, Real::Prec, rb_assoc_new(), RB_TYPE_P, T_FLOAT, T_RATIONAL, and VpBaseFig.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_comp ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1017 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by Init_bigdecimal().

static void BigDecimal_delete ( void *  pv) [static]

Definition at line 150 of file bigdecimal.c.

References VpFree().

static VALUE BigDecimal_div ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1185 of file bigdecimal.c.

References BDIGIT, BDIGIT_DBL, BigDecimal_divide(), div, ENTER, Real::frac, NULL, Real::Prec, SAVE, ToValue(), VpBaseVal, VpHasVal, and VpInternalRound().

Referenced by BigDecimal_div2(), and Init_bigdecimal().

static VALUE BigDecimal_div2 ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 1400 of file bigdecimal.c.

References BigDecimal_div(), BigDecimal_DoDivmod(), BigDecimal_to_i(), cv, div, DoSomeOne, ENTER, GetPositiveInt(), GetVpValue(), GUARD_OBJ, mod, NULL, Real::Prec, rb_intern, rb_scan_args(), SIGNED_VALUE, ToValue(), VpBaseFig, VpCreateRbObject(), VpDivd(), VpGetRoundMode(), VpLeftRound(), and VpSetPrecLimit().

Referenced by BigMath_s_exp(), BigMath_s_log(), GetVpValueWithPrec(), and Init_bigdecimal().

static VALUE BigDecimal_divide ( Real **  c,
Real **  res,
Real **  div,
VALUE  self,
VALUE  r 
) [static]

Definition at line 1136 of file bigdecimal.c.

References DBL_DIG, DoSomeOne, ENTER, Real::exponent, GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, Real::Prec, RB_TYPE_P, SAVE, T_FLOAT, T_RATIONAL, vabs, VpBaseFig, VpCreateRbObject(), and VpDivd().

Referenced by BigDecimal_div().

static VALUE BigDecimal_divmod ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1387 of file bigdecimal.c.

References BigDecimal_DoDivmod(), div, DoSomeOne, ENTER, mod, NULL, rb_assoc_new(), rb_intern, SAVE, and ToValue().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_divremain ( VALUE  self,
VALUE  r,
Real **  dv,
Real **  rv 
) [static]

Definition at line 1308 of file bigdecimal.c.

References DBL_DIG, DoSomeOne, ENTER, GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, Real::MaxPrec, NULL, Real::Prec, rb_intern, RB_TYPE_P, SAVE, T_FLOAT, T_RATIONAL, VP_ROUND_DOWN, VpActiveRound(), VpAddSub(), VpBaseFig, VpCreateRbObject(), VpDivd(), VpFrac(), and VpMult().

Referenced by BigDecimal_remainder().

static VALUE BigDecimal_DoDivmod ( VALUE  self,
VALUE  r,
Real **  div,
Real **  mod 
) [static]

Definition at line 1209 of file bigdecimal.c.

References DBL_DIG, ENTER, Real::exponent, GetAddSubPrec(), GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, NULL, Real::Prec, Qfalse, Qtrue, rb_eZeroDivError, rb_raise(), RB_TYPE_P, SAVE, SIGNED_VALUE, T_FLOAT, T_RATIONAL, vabs, VP_ROUND_DOWN, VpActiveRound(), VpAddSub(), VpBaseFig, VpCreateRbObject(), VpDivd(), VpGetSign, VpIsInf, VpIsNaN, VpIsZero, VpMult(), VpOne(), and VpSetInf.

Referenced by BigDecimal_div2(), BigDecimal_divmod(), and BigDecimal_mod().

static VALUE BigDecimal_double_fig ( VALUE  self) [static]

Definition at line 298 of file bigdecimal.c.

References INT2FIX, and VpDblFig.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_dump ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 343 of file bigdecimal.c.

References ENTER, GetVpValue(), GUARD_OBJ, PRIuSIZE, rb_scan_args(), rb_str_new(), rb_str_resize(), RSTRING_PTR, strlen(), VpBaseFig, VpMaxPrec, VpNumOfChars(), and VpToString().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_eq ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1033 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by BigDecimal_power(), and Init_bigdecimal().

static VALUE BigDecimal_exponent ( VALUE  self) [static]

Definition at line 1924 of file bigdecimal.c.

References GetVpValue(), INT2NUM(), and VpExponent10().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_fix ( VALUE  self) [static]

Definition at line 1534 of file bigdecimal.c.

References ENTER, GetVpValue(), GUARD_OBJ, Real::Prec, ToValue(), VP_ROUND_DOWN, VpActiveRound(), VpBaseFig, and VpCreateRbObject().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_floor ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 1690 of file bigdecimal.c.

References BigDecimal_to_i(), Check_Type, ENTER, FIX2INT, GetVpValue(), GUARD_OBJ, Real::Prec, rb_scan_args(), T_FIXNUM, ToValue(), VP_ROUND_FLOOR, VpActiveRound(), VpBaseFig, VpCreateRbObject(), and VpSetPrecLimit().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_frac ( VALUE  self) [static]

Definition at line 1657 of file bigdecimal.c.

References ENTER, GetVpValue(), GUARD_OBJ, Real::Prec, ToValue(), VpBaseFig, VpCreateRbObject(), and VpFrac().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_ge ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1081 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_global_new ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 2385 of file bigdecimal.c.

References BigDecimal_new(), and rb_cBigDecimal.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_gt ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1069 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_hash ( VALUE  self) [static]

Definition at line 326 of file bigdecimal.c.

References BDIGIT, ENTER, Real::exponent, Real::frac, GetVpValue(), GUARD_OBJ, hash(), INT2FIX, Real::Prec, rb_memhash(), and Real::sign.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_inspect ( VALUE  self) [static]

Definition at line 1941 of file bigdecimal.c.

References ENTER, GetVpValue(), GUARD_OBJ, PRIuSIZE, PRIxVALUE, rb_str_new(), rb_str_resize(), RSTRING_PTR, strlen(), VpBaseFig, VpMaxPrec, VpNumOfChars(), VpPrec, and VpToString().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_IsFinite ( VALUE  self) [static]

Definition at line 611 of file bigdecimal.c.

References GetVpValue(), Qfalse, Qtrue, VpIsInf, and VpIsNaN.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_IsInfinite ( VALUE  self) [static]

Definition at line 601 of file bigdecimal.c.

References GetVpValue(), INT2FIX, Qnil, VpIsNegInf, and VpIsPosInf.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_IsNaN ( VALUE  self) [static]

Definition at line 590 of file bigdecimal.c.

References GetVpValue(), Qfalse, Qtrue, and VpIsNaN.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_le ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1057 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_limit ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 2403 of file bigdecimal.c.

References Check_Type, FIX2INT, INT2NUM(), Qnil, rb_eArgError, rb_raise(), rb_scan_args(), T_FIXNUM, VpGetPrecLimit(), and VpSetPrecLimit().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_load ( VALUE  self,
VALUE  str 
) [static]

Definition at line 365 of file bigdecimal.c.

References ENTER, GUARD_OBJ, ISDIGIT, long, Real::MaxPrec, rb_eTypeError, rb_raise(), RSTRING_PTR, SafeStringValue, ToValue(), VpBaseFig, and VpNewRbClass().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_lt ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1045 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by Init_bigdecimal().

static size_t BigDecimal_memsize ( const void *  ptr) [static]

Definition at line 156 of file bigdecimal.c.

References BDIGIT, and Real::MaxPrec.

static VALUE BigDecimal_mod ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1295 of file bigdecimal.c.

References BigDecimal_DoDivmod(), div, DoSomeOne, ENTER, mod, NULL, SAVE, and ToValue().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_mode ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 464 of file bigdecimal.c.

References check_rounding_mode(), Check_Type, FIX2INT, INT2FIX, long, NIL_P, Qfalse, Qnil, Qtrue, rb_eArgError, rb_eTypeError, rb_raise(), rb_scan_args(), T_FIXNUM, VP_EXCEPTION_ALL, VP_EXCEPTION_INFINITY, VP_EXCEPTION_NaN, VP_EXCEPTION_UNDERFLOW, VP_EXCEPTION_ZERODIVIDE, VP_ROUND_MODE, VpGetException(), VpGetRoundMode(), VpSetException(), and VpSetRoundMode().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_mult ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1109 of file bigdecimal.c.

References DBL_DIG, DoSomeOne, ENTER, GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, Real::Prec, RB_TYPE_P, SAVE, T_FLOAT, T_RATIONAL, ToValue(), VpBaseFig, VpCreateRbObject(), and VpMult().

Referenced by BigDecimal_mult2(), BigMath_s_exp(), BigMath_s_log(), and Init_bigdecimal().

static VALUE BigDecimal_mult2 ( VALUE  self,
VALUE  b,
VALUE  n 
) [static]

Definition at line 1470 of file bigdecimal.c.

References BigDecimal_mult(), cv, ENTER, GetPositiveInt(), GetVpValue(), GUARD_OBJ, SIGNED_VALUE, ToValue(), VpGetRoundMode(), VpLeftRound(), and VpSetPrecLimit().

Referenced by BigMath_s_exp(), BigMath_s_log(), Init_bigdecimal(), and rmpd_power_by_big_decimal().

static VALUE BigDecimal_neg ( VALUE  self) [static]

Definition at line 1087 of file bigdecimal.c.

References ENTER, GetVpValue(), GUARD_OBJ, Real::Prec, ToValue(), VpAsgn(), VpBaseFig, and VpCreateRbObject().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_new ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 2332 of file bigdecimal.c.

References DATA_PTR, DBL_DIG, ENTER, GetPositiveInt(), GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, is_kind_of_BigDecimal(), NIL_P, PRIsVALUE, rb_eArgError, RB_OBJ_CLASSNAME, rb_raise(), rb_scan_args(), RSTRING_PTR, SafeStringValue, T_BIGNUM, T_DATA, T_FIXNUM, T_FLOAT, T_RATIONAL, T_STRING, ToValue(), TYPE, VpDup(), and VpNewRbClass().

Referenced by BigDecimal_global_new(), and Init_bigdecimal().

static VALUE BigDecimal_nonzero ( VALUE  self) [static]

Definition at line 1007 of file bigdecimal.c.

References GetVpValue(), Qnil, and VpIsZero.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_power ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 2083 of file bigdecimal.c.

References BigDecimal_abs(), BigDecimal_eq(), BigDecimal_round(), BigDecimal_to_i(), DATA_PTR, DBL_DIG, ENTER, FIX2INT, GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, INT2FIX, is_even(), is_integer(), is_kind_of_BigDecimal(), is_negative(), is_one(), is_positive, is_zero(), NIL_P, NULL, NUM2SSIZET, Real::obj, Real::Prec, rb_eMathDomainError, rb_eTypeError, rb_funcall(), RB_GC_GUARD, rb_obj_classname(), rb_raise(), rb_scan_args(), RB_TYPE_P, RFLOAT_VALUE, rmpd_power_by_big_decimal(), round(), RRATIONAL, RTEST, SIGNED_VALUE, T_BIGNUM, T_DATA, T_FIXNUM, T_FLOAT, T_RATIONAL, ToValue(), TYPE, VpBaseFig, VpCreateRbObject(), VpGetSign, VpIsDef, VpIsInf, VpIsNaN, VpIsZero, VpPower(), VpSetInf, VpSetNaN, VpSetNegInf, VpSetPosInf, and zero().

Referenced by BigDecimal_power_op(), and Init_bigdecimal().

static VALUE BigDecimal_power_op ( VALUE  self,
VALUE  exp 
) [static]

Definition at line 2309 of file bigdecimal.c.

References BigDecimal_power().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_prec ( VALUE  self) [static]

Definition at line 313 of file bigdecimal.c.

References ENTER, GetVpValue(), GUARD_OBJ, INT2NUM(), Real::MaxPrec, Real::Prec, rb_assoc_new(), and VpBaseFig.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_remainder ( VALUE  self,
VALUE  r 
) [static]

Definition at line 1358 of file bigdecimal.c.

References BigDecimal_divremain(), and ToValue().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_round ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 1570 of file bigdecimal.c.

References BigDecimal_to_i(), check_rounding_mode(), Check_Type, ENTER, FIX2INT, GetVpValue(), GUARD_OBJ, Real::Prec, rb_scan_args(), T_FIXNUM, ToValue(), VpActiveRound(), VpBaseFig, VpCreateRbObject(), VpGetRoundMode(), and VpSetPrecLimit().

Referenced by BigDecimal_power(), BigMath_s_exp(), and Init_bigdecimal().

static VALUE BigDecimal_save_exception_mode ( VALUE  self) [static]

Definition at line 2448 of file bigdecimal.c.

References Qnil, rb_jump_tag(), rb_protect(), rb_yield(), VpGetException(), and VpSetException().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_save_limit ( VALUE  self) [static]

Definition at line 2476 of file bigdecimal.c.

References Qnil, rb_jump_tag(), rb_protect(), rb_yield(), VpGetPrecLimit(), and VpSetPrecLimit().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_save_rounding_mode ( VALUE  self) [static]

Definition at line 2462 of file bigdecimal.c.

References Qnil, rb_jump_tag(), rb_protect(), rb_yield(), VpGetRoundMode(), and VpSetRoundMode().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_sign ( VALUE  self) [static]

Definition at line 2438 of file bigdecimal.c.

References GetVpValue(), INT2FIX, and Real::sign.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_split ( VALUE  self) [static]

Definition at line 1887 of file bigdecimal.c.

References ENTER, GetVpValue(), GUARD_OBJ, INT2FIX, INT2NUM(), len, memmove(), rb_ary_new2(), rb_ary_push(), rb_str_new(), rb_str_resize(), RSTRING_PTR, strlen(), VpExponent10(), VpNumOfChars(), and VpSzMantissa().

Referenced by BigDecimal_to_i(), BigDecimal_to_r(), and Init_bigdecimal().

static VALUE BigDecimal_sqrt ( VALUE  self,
VALUE  nFig 
) [static]

Definition at line 1515 of file bigdecimal.c.

References ENTER, GetPositiveInt(), GetVpValue(), GUARD_OBJ, Real::Prec, ToValue(), VpBaseFig, VpCreateRbObject(), VpDblFig, and VpSqrt().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_sub ( VALUE  self,
VALUE  r 
) [static]

Definition at line 867 of file bigdecimal.c.

References DBL_DIG, DoSomeOne, ENTER, GetAddSubPrec(), GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, Real::obj, Real::Prec, RB_TYPE_P, SAVE, T_FLOAT, T_RATIONAL, ToValue(), VpAddSub(), VpBaseFig, VpCreateRbObject(), VpGetSign, VpIsNaN, and VpSetInf.

Referenced by BigDecimal_sub2(), BigMath_s_log(), and Init_bigdecimal().

static VALUE BigDecimal_sub2 ( VALUE  self,
VALUE  b,
VALUE  n 
) [static]

Definition at line 1453 of file bigdecimal.c.

References BigDecimal_sub(), cv, ENTER, GetPositiveInt(), GetVpValue(), GUARD_OBJ, SIGNED_VALUE, ToValue(), VpGetRoundMode(), VpLeftRound(), and VpSetPrecLimit().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_to_f ( VALUE  self) [static]

Definition at line 683 of file bigdecimal.c.

References BASE_FIG, buf, DBL_MAX_10_EXP, DBL_MIN_10_EXP, ENTER, errno, GetVpValue(), GUARD_OBJ, rb_float_new(), rb_str_new(), RSTRING_PTR, SIGNED_VALUE, strtod, VP_EXCEPTION_OVERFLOW, VP_EXCEPTION_UNDERFLOW, VpException(), VpGetDoubleNegInf(), VpGetDoublePosInf(), VpNumOfChars(), VpToString(), and VpVtoD().

Referenced by BigDecimal_coerce(), and Init_bigdecimal().

static VALUE BigDecimal_to_i ( VALUE  self) [static]

Definition at line 638 of file bigdecimal.c.

References BDIGIT_DBL_SIGNED, BigDecimal_check_num(), BigDecimal_split(), ENTER, Real::frac, GetVpValue(), GUARD_OBJ, INT2FIX, LONG2NUM, RARRAY_PTR, rb_eFloatDomainError, rb_funcall(), rb_intern, rb_raise(), RB_TYPE_P, RSTRING_LEN, T_FLOAT, VpBaseFig, VpExponent10(), and VpGetSign.

Referenced by BigDecimal_ceil(), BigDecimal_div2(), BigDecimal_floor(), BigDecimal_power(), BigDecimal_round(), BigDecimal_truncate(), and Init_bigdecimal().

static VALUE BigDecimal_to_r ( VALUE  self) [static]

Definition at line 728 of file bigdecimal.c.

References BigDecimal_check_num(), BigDecimal_split(), GetVpValue(), INT2FIX, RARRAY_PTR, rb_funcall(), rb_intern, rb_Rational(), rb_Rational1, RSTRING_LEN, VpExponent10(), and VpGetSign.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_to_s ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 1796 of file bigdecimal.c.

References ENTER, GetPositiveInt(), GetVpValue(), GUARD_OBJ, ISDIGIT, ISSPACE, rb_scan_args(), rb_str_new(), rb_str_resize(), RB_TYPE_P, RSTRING_PTR, SafeStringValue, strlen(), T_STRING, VpNumOfChars(), VpToFString(), and VpToString().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_truncate ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 1628 of file bigdecimal.c.

References BigDecimal_to_i(), Check_Type, ENTER, FIX2INT, GetVpValue(), GUARD_OBJ, Real::Prec, rb_scan_args(), T_FIXNUM, ToValue(), VP_ROUND_DOWN, VpActiveRound(), VpBaseFig, VpCreateRbObject(), and VpSetPrecLimit().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_uplus ( VALUE  self) [static]

Definition at line 798 of file bigdecimal.c.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_version ( VALUE  self) [static]

Definition at line 126 of file bigdecimal.c.

References rb_str_new2().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_zero ( VALUE  self) [static]

Definition at line 999 of file bigdecimal.c.

References GetVpValue(), Qfalse, Qtrue, and VpIsZero.

Referenced by Init_bigdecimal().

static VALUE BigDecimalCmp ( VALUE  self,
VALUE  r,
char  op 
) [static]

Definition at line 906 of file bigdecimal.c.

References DBL_DIG, ENTER, GetVpValue(), GetVpValueWithPrec(), GUARD_OBJ, INT2FIX, is_kind_of_BigDecimal(), NULL, Real::Prec, Qfalse, Qnil, Qtrue, rb_bug(), rb_intern, rb_num_coerce_cmp(), rb_num_coerce_relop(), RTEST, SAVE, SIGNED_VALUE, T_BIGNUM, T_DATA, T_FIXNUM, T_FLOAT, T_RATIONAL, TYPE, VpBaseFig, and VpComp().

Referenced by BigDecimal_comp(), BigDecimal_eq(), BigDecimal_ge(), BigDecimal_gt(), BigDecimal_le(), and BigDecimal_lt().

static VALUE BigMath_s_exp ( VALUE  klass,
VALUE  x,
VALUE  vprec 
) [static]

Definition at line 2497 of file bigdecimal.c.

References argv, BigDecimal_add(), BigDecimal_div2(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_round(), cannot_be_coerced_into_BigDecimal(), DATA_PTR, DBL_DIG, GetVpValue(), GetVpValueWithPrec(), INT2NUM(), is_kind_of_BigDecimal(), isinf(), isnan, NULL, NUM2SSIZET, Real::obj, one(), rb_eArgError, RB_GC_GUARD, rb_raise(), RFLOAT_VALUE, rmpd_double_figures(), SIGNED_VALUE, SSIZET2NUM, T_BIGNUM, T_DATA, T_FIXNUM, T_FLOAT, T_RATIONAL, ToValue(), TYPE, vabs, VP_SIGN_POSITIVE_INFINITE, VpCreateRbObject(), VpExponent10(), VpGetSign, VpIsNaN, VpIsNegInf, VpIsPosInf, VpIsZero, VpSetInf, VpSetNaN, and VpSetSign.

Referenced by Init_bigdecimal().

static VALUE BigMath_s_log ( VALUE  klass,
VALUE  x,
VALUE  vprec 
) [static]

Definition at line 2629 of file bigdecimal.c.

References argv, BigDecimal_add(), BigDecimal_div2(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_sub(), buf, cannot_be_coerced_into_BigDecimal(), DATA_PTR, DBL_DIG, FIX2LONG, GetVpValue(), GetVpValueWithPrec(), INT2FIX, is_integer(), is_kind_of_BigDecimal(), isinf(), isnan, NULL, NUM2SSIZET, Real::obj, one(), rb_eArgError, rb_eMathDomainError, RB_GC_GUARD, rb_raise(), RBIGNUM_NEGATIVE_P, RBIGNUM_ZERO_P, RFLOAT_VALUE, rmpd_double_figures(), RRATIONAL_NEGATIVE_P, RRATIONAL_ZERO_P, SIGNED_VALUE, snprintf, SSIZET2NUM, T_BIGNUM, T_COMPLEX, T_DATA, T_FIXNUM, T_FLOAT, T_RATIONAL, ToValue(), TYPE, vabs, VP_SIGN_POSITIVE_INFINITE, VpCreateRbObject(), VpExponent10(), VpGetSign, VpIsNaN, VpIsNegInf, VpIsPosInf, VpIsZero, VpSetInf, VpSetNaN, and zero().

Referenced by Init_bigdecimal().

static int bigzero_p ( VALUE  x) [inline, static]

Definition at line 85 of file bigdecimal.c.

References BDIGIT, RBIGNUM_DIGITS, and RBIGNUM_LEN.

static void cannot_be_coerced_into_BigDecimal ( VALUE  exc_class,
VALUE  v 
) [static]

Definition at line 189 of file bigdecimal.c.

References rb_class_name(), rb_exc_new3(), rb_exc_raise(), rb_inspect(), rb_obj_class(), rb_special_const_p(), rb_str_cat2(), and rb_str_dup().

Referenced by BigMath_s_exp(), BigMath_s_log(), and GetVpValueWithPrec().

static unsigned short check_rounding_mode ( VALUE const  v) [static]

Definition at line 390 of file bigdecimal.c.

References Check_Type, FIX2UINT, id, id_banker, id_ceil, id_ceiling, id_default, id_down, id_floor, id_half_down, id_half_even, id_half_up, id_truncate, id_up, rb_eArgError, rb_raise(), SYM2ID, T_FIXNUM, T_SYMBOL, TYPE, VP_ROUND_CEIL, VP_ROUND_DOWN, VP_ROUND_FLOOR, VP_ROUND_HALF_DOWN, VP_ROUND_HALF_EVEN, VP_ROUND_HALF_UP, VP_ROUND_UP, and VpIsRoundMode().

Referenced by BigDecimal_mode(), and BigDecimal_round().

static size_t GetAddSubPrec ( Real *  a,
Real *  b 
) [static]

Definition at line 519 of file bigdecimal.c.

References Real::exponent, Real::Prec, SIGNED_VALUE, VP_EXCEPTION_INFINITY, VpException(), and VpIsDef.

Referenced by BigDecimal_add(), BigDecimal_DoDivmod(), and BigDecimal_sub().

static SIGNED_VALUE GetPositiveInt ( VALUE  v) [static]

Definition at line 540 of file bigdecimal.c.

References Check_Type, FIX2INT, rb_eArgError, rb_raise(), SIGNED_VALUE, and T_FIXNUM.

Referenced by BigDecimal_add2(), BigDecimal_div2(), BigDecimal_mult2(), BigDecimal_new(), BigDecimal_sqrt(), BigDecimal_sub2(), and BigDecimal_to_s().

static Real* GetVpValue ( VALUE  v,
int  must 
) [static]

Definition at line 285 of file bigdecimal.c.

References GetVpValueWithPrec().

Referenced by BigDecimal_abs(), BigDecimal_add(), BigDecimal_add2(), BigDecimal_ceil(), BigDecimal_coerce(), BigDecimal_div2(), BigDecimal_divide(), BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_dump(), BigDecimal_exponent(), BigDecimal_fix(), BigDecimal_floor(), BigDecimal_frac(), BigDecimal_hash(), BigDecimal_inspect(), BigDecimal_IsFinite(), BigDecimal_IsInfinite(), BigDecimal_IsNaN(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_neg(), BigDecimal_new(), BigDecimal_nonzero(), BigDecimal_power(), BigDecimal_prec(), BigDecimal_round(), BigDecimal_sign(), BigDecimal_split(), BigDecimal_sqrt(), BigDecimal_sub(), BigDecimal_sub2(), BigDecimal_to_f(), BigDecimal_to_i(), BigDecimal_to_r(), BigDecimal_to_s(), BigDecimal_truncate(), BigDecimal_zero(), BigDecimalCmp(), BigMath_s_exp(), and BigMath_s_log().

static Real* GetVpValueWithPrec ( VALUE  v,
long  prec,
int  must 
) [static]

Definition at line 208 of file bigdecimal.c.

References args, BigDecimal_div2(), cannot_be_coerced_into_BigDecimal(), DATA_PTR, DBL_DIG, FIX2LONG, id_to_r, is_kind_of_BigDecimal(), LONG2NUM, NULL, Qundef, rb_big2str(), rb_eArgError, rb_eTypeError, rb_funcall(), rb_obj_classname(), rb_raise(), RRATIONAL, RSTRING_PTR, SafeStringValue, strlen(), T_BIGNUM, T_DATA, T_FIXNUM, T_FLOAT, T_RATIONAL, T_STRING, ToValue(), TYPE, VpBaseFig, and VpCreateRbObject().

Referenced by BigDecimal_add(), BigDecimal_coerce(), BigDecimal_divide(), BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_mult(), BigDecimal_new(), BigDecimal_power(), BigDecimal_sub(), BigDecimalCmp(), BigMath_s_exp(), BigMath_s_log(), and GetVpValue().

void Init_bigdecimal ( void  )

Definition at line 2883 of file bigdecimal.c.

References BigDecimal_abs(), BigDecimal_add(), BigDecimal_add2(), BigDecimal_ceil(), BigDecimal_coerce(), BigDecimal_comp(), BigDecimal_div(), BigDecimal_div2(), BigDecimal_divmod(), BigDecimal_double_fig(), BigDecimal_dump(), BigDecimal_eq(), BigDecimal_exponent(), BigDecimal_fix(), BigDecimal_floor(), BigDecimal_frac(), BigDecimal_ge(), BigDecimal_global_new(), BigDecimal_gt(), BigDecimal_hash(), BigDecimal_inspect(), BigDecimal_IsFinite(), BigDecimal_IsInfinite(), BigDecimal_IsNaN(), BigDecimal_le(), BigDecimal_limit(), BigDecimal_load(), BigDecimal_lt(), BigDecimal_mod(), BigDecimal_mode(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_neg(), BigDecimal_new(), BigDecimal_nonzero(), BigDecimal_power(), BigDecimal_power_op(), BigDecimal_prec(), BigDecimal_remainder(), BigDecimal_round(), BigDecimal_save_exception_mode(), BigDecimal_save_limit(), BigDecimal_save_rounding_mode(), BigDecimal_sign(), BigDecimal_split(), BigDecimal_sqrt(), BigDecimal_sub(), BigDecimal_sub2(), BigDecimal_to_f(), BigDecimal_to_i(), BigDecimal_to_r(), BigDecimal_to_s(), BigDecimal_truncate(), BigDecimal_uplus(), BigDecimal_version(), BigDecimal_zero(), BigMath_s_exp(), BigMath_s_log(), id_banker, id_BigDecimal_exception_mode, id_BigDecimal_precision_limit, id_BigDecimal_rounding_mode, id_ceil, id_ceiling, id_default, id_down, id_eq, id_floor, id_half_down, id_half_even, id_half_up, id_to_r, id_truncate, id_up, INT2FIX, rb_cBigDecimal, rb_cNumeric, rb_define_class(), rb_define_const(), rb_define_global_function(), rb_define_method(), rb_define_module(), rb_define_singleton_method(), rb_intern_const, rb_mBigMath, rb_str_new2(), SIGNED_VALUE, VP_EXCEPTION_ALL, VP_EXCEPTION_INFINITY, VP_EXCEPTION_NaN, VP_EXCEPTION_OVERFLOW, VP_EXCEPTION_UNDERFLOW, VP_EXCEPTION_ZERODIVIDE, 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, VpBaseVal, and VpInit().

static int is_even ( VALUE  x) [inline, static]

Definition at line 2042 of file bigdecimal.c.

References FIX2LONG, RBIGNUM_DIGITS, T_BIGNUM, T_FIXNUM, and TYPE.

Referenced by BigDecimal_power().

static int is_integer ( VALUE  x) [inline, static]

Definition at line 1971 of file bigdecimal.c.

References RB_TYPE_P, T_BIGNUM, and T_FIXNUM.

Referenced by BigDecimal_power(), and BigMath_s_log().

static int is_kind_of_BigDecimal ( VALUE const  v) [inline, static]

Definition at line 168 of file bigdecimal.c.

References rb_typeddata_is_kind_of().

Referenced by BigDecimal_new(), BigDecimal_power(), BigDecimalCmp(), BigMath_s_exp(), BigMath_s_log(), and GetVpValueWithPrec().

static int is_negative ( VALUE  x) [inline, static]

Definition at line 1977 of file bigdecimal.c.

References FIX2LONG, FIXNUM_P, INT2FIX, rb_funcall(), RB_TYPE_P, RBIGNUM_NEGATIVE_P, RFLOAT_VALUE, RTEST, T_BIGNUM, and T_FLOAT.

Referenced by BigDecimal_power().

static int is_one ( VALUE  x) [inline, static]

Definition at line 2017 of file bigdecimal.c.

References FIX2LONG, FIXNUM_P, id_eq, INT2FIX, Qfalse, rb_funcall(), RRATIONAL, RTEST, T_BIGNUM, T_FIXNUM, T_RATIONAL, and TYPE.

Referenced by BigDecimal_power().

static int is_zero ( VALUE  x) [inline, static]

Definition at line 1994 of file bigdecimal.c.

References FIX2LONG, FIXNUM_P, id_eq, INT2FIX, Qfalse, rb_funcall(), RRATIONAL, RTEST, T_BIGNUM, T_FIXNUM, T_RATIONAL, and TYPE.

Referenced by BigDecimal_power().

NORETURN ( static void   cannot_be_coerced_into_BigDecimalVALUE, VALUE)
static double One ( void  ) [static]

Definition at line 3311 of file bigdecimal.c.

References gOne_ABCED9B4_CE73__00400511F31D.

Referenced by VpGetDoubleNegInf(), VpGetDoubleNegZero(), and VpGetDoublePosInf().

static VALUE rmpd_power_by_big_decimal ( Real const *  x,
Real const *  exp,
ssize_t const  n 
) [static]

Definition at line 2059 of file bigdecimal.c.

References BigDecimal_mult2(), BigMath_exp, BigMath_log, Real::obj, SSIZET2NUM, ToValue(), VpCreateRbObject(), and VpIsZero.

Referenced by BigDecimal_power().

static VALUE ToValue ( Real *  p) [static]

Definition at line 174 of file bigdecimal.c.

References Real::obj, VP_EXCEPTION_INFINITY, VP_EXCEPTION_NaN, VpException(), VpIsNaN, VpIsNegInf, and VpIsPosInf.

Referenced by BigDecimal_abs(), BigDecimal_add(), BigDecimal_add2(), BigDecimal_ceil(), BigDecimal_div(), BigDecimal_div2(), BigDecimal_divmod(), BigDecimal_fix(), BigDecimal_floor(), BigDecimal_frac(), BigDecimal_load(), BigDecimal_mod(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_neg(), BigDecimal_new(), BigDecimal_power(), BigDecimal_remainder(), BigDecimal_round(), BigDecimal_sqrt(), BigDecimal_sub(), BigDecimal_sub2(), BigDecimal_truncate(), BigMath_s_exp(), BigMath_s_log(), GetVpValueWithPrec(), and rmpd_power_by_big_decimal().

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

Definition at line 5683 of file bigdecimal.c.

References VpAsgn(), and VpMidRound().

Referenced by BigDecimal_ceil(), BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_fix(), BigDecimal_floor(), BigDecimal_round(), and BigDecimal_truncate().

static BDIGIT VpAddAbs ( Real *  a,
Real *  b,
Real *  c 
) [static]

Definition at line 3957 of file bigdecimal.c.

References BASE, BDIGIT, bp, Real::frac, VpAsgn(), and VpSetPTR().

Referenced by VpAddSub().

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

Definition at line 3829 of file bigdecimal.c.

References BASE_FIG, BDIGIT, Real::exponent, Real::frac, Min, Real::Prec, VpAddAbs(), VpAsgn(), VpGetSign, VpInternalRound(), VpIsDefOP(), VpIsZero, VpSetSign, VpSetZero, and VpSubAbs().

Referenced by BigDecimal_add(), BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_sub(), and VpSqrt().

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

Definition at line 3634 of file bigdecimal.c.

References BASE_FIG, BDIGIT, buf, ISDIGIT, ISSPACE, Max, Real::MaxPrec, ne, NULL, rb_str_resize(), rb_str_tmp_new(), RSTRING_PTR, StrCmp, strlen(), SZ_INF, SZ_NaN, SZ_NINF, SZ_PINF, VpCtoV(), VpGetPrecLimit(), VpMemAlloc(), VpSetNaN, VpSetNegInf, VpSetPosInf, and VpSetZero.

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

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

Definition at line 3787 of file bigdecimal.c.

References BASE_FIG, BDIGIT, Real::exponent, Real::frac, Real::MaxPrec, Real::Prec, VpGetSign, VpInternalRound(), VpIsInf, VpIsNaN, VpIsZero, VpLimitRound(), VpSetInf, VpSetNaN, VpSetSign, and VpSetZero.

Referenced by BigDecimal_abs(), BigDecimal_neg(), VpActiveRound(), VpAddAbs(), VpAddSub(), VpDivd(), VpFrac(), VpMult(), VpPower(), VpSqrt(), and VpSubAbs().

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

Definition at line 4632 of file bigdecimal.c.

References Real::exponent, Real::frac, Real::Prec, Real::sign, VpGetSign, VpIsDef, VpIsNaN, and VpIsZero.

Referenced by BigDecimalCmp().

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

Definition at line 560 of file bigdecimal.c.

References Real::obj, rb_cBigDecimal, TypedData_Wrap_Struct, and VpAlloc().

Referenced by BigDecimal_abs(), BigDecimal_add(), BigDecimal_ceil(), BigDecimal_div2(), BigDecimal_divide(), BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_fix(), BigDecimal_floor(), BigDecimal_frac(), BigDecimal_mult(), BigDecimal_neg(), BigDecimal_power(), BigDecimal_round(), BigDecimal_sqrt(), BigDecimal_sub(), BigDecimal_truncate(), BigMath_s_exp(), BigMath_s_log(), GetVpValueWithPrec(), and rmpd_power_by_big_decimal().

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 5053 of file bigdecimal.c.

References BASE_FIG, BDIGIT, Real::exponent, Real::frac, Real::MaxPrec, ne, Real::Prec, rb_warn(), SIGNED_VALUE, VP_EXCEPTION_INFINITY, VpException(), VpNmlz(), VpSetInf, VpSetSign, VpSetZero, and zero().

Referenced by VpAlloc().

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

Definition at line 4383 of file bigdecimal.c.

References AddExponent(), BASE, BASE_FIG, BDIGIT, BDIGIT_DBL, Real::exponent, Real::frac, Real::MaxPrec, Min, Real::Prec, rb_bug(), VP_EXCEPTION_NaN, VP_EXCEPTION_ZERODIVIDE, VpAsgn(), VpException(), VpGetSign, VpIsDefOP(), VpIsOne, VpIsZero, VpNmlz(), VpSetInf, VpSetNaN, VpSetSign, and VpSetZero.

Referenced by BigDecimal_div2(), BigDecimal_divide(), BigDecimal_divremain(), BigDecimal_DoDivmod(), VpPower(), and VpSqrt().

VP_EXPORT void VpDtoV ( Real *  m,
double  d 
)

Definition at line 5268 of file bigdecimal.c.

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

Referenced by VpSqrt().

static Real * VpDup ( Real const *const  x) [static]

Definition at line 568 of file bigdecimal.c.

References assert, BDIGIT, Real::exponent, Real::flag, Real::frac, Real::MaxPrec, MEMCPY, NULL, Real::obj, Real::Prec, rb_obj_class(), Real::sign, TypedData_Wrap_Struct, and VpMemAlloc().

Referenced by BigDecimal_new().

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

Definition at line 3372 of file bigdecimal.c.

References rb_eFloatDomainError, rb_fatal(), rb_raise(), VP_EXCEPTION_INFINITY, VP_EXCEPTION_MEMORY, VP_EXCEPTION_NaN, VP_EXCEPTION_OP, VP_EXCEPTION_UNDERFLOW, VP_EXCEPTION_ZERODIVIDE, and VpGetException().

Referenced by AddExponent(), BigDecimal_check_num(), BigDecimal_to_f(), GetAddSubPrec(), ToValue(), VpCtoV(), VpDivd(), VpIsDefOP(), VpMemAlloc(), and VpSqrt().

VP_EXPORT ssize_t VpExponent10 ( Real *  a)

Definition at line 4846 of file bigdecimal.c.

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

Referenced by BigDecimal_exponent(), BigDecimal_split(), BigDecimal_to_i(), BigDecimal_to_r(), BigMath_s_exp(), and BigMath_s_log().

static void VpFormatSt ( char *  psz,
size_t  fFmt 
) [static]

Definition at line 4821 of file bigdecimal.c.

References ISSPACE, memmove(), and strlen().

Referenced by VpToFString(), and VpToString().

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

Definition at line 5777 of file bigdecimal.c.

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

Referenced by BigDecimal_divremain(), and BigDecimal_frac().

VP_EXPORT void VpFree ( Real *  pv)

Definition at line 3150 of file bigdecimal.c.

References getchar, NULL, and xfree().

Referenced by BigDecimal_delete(), VpMult(), VpPower(), and VpSqrt().

VP_EXPORT double VpGetDoubleNaN ( void  )

Definition at line 3331 of file bigdecimal.c.

References Zero().

Referenced by VpInit(), and VpVtoD().

VP_EXPORT double VpGetDoubleNegInf ( void  )

Definition at line 3347 of file bigdecimal.c.

References One(), and Zero().

Referenced by BigDecimal_to_f(), VpGetDoubleNegZero(), VpInit(), and VpVtoD().

VP_EXPORT double VpGetDoubleNegZero ( void  )

Definition at line 3355 of file bigdecimal.c.

References One(), and VpGetDoubleNegInf().

Referenced by VpInit(), and VpVtoD().

VP_EXPORT double VpGetDoublePosInf ( void  )

Definition at line 3339 of file bigdecimal.c.

References One(), and Zero().

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

static unsigned short VpGetException ( void  ) [static]

Definition at line 3180 of file bigdecimal.c.

References FIX2UINT, id_BigDecimal_exception_mode, NIL_P, rb_thread_current(), rb_thread_local_aref(), RMPD_EXCEPTION_MODE_DEFAULT, and rmpd_set_thread_local_exception_mode.

Referenced by BigDecimal_mode(), BigDecimal_save_exception_mode(), and VpException().

VP_EXPORT size_t VpGetPrecLimit ( void  )

Definition at line 3215 of file bigdecimal.c.

References id_BigDecimal_precision_limit, NIL_P, NUM2SIZET, rb_thread_current(), rb_thread_local_aref(), RMPD_PRECISION_LIMIT_DEFAULT, and rmpd_set_thread_local_precision_limit.

Referenced by BigDecimal_limit(), BigDecimal_save_limit(), VpAlloc(), VpLimitRound(), and VpSetPrecLimit().

VP_EXPORT unsigned short VpGetRoundMode ( void  )

Definition at line 3250 of file bigdecimal.c.

References FIX2INT, id_BigDecimal_rounding_mode, NIL_P, rb_thread_current(), rb_thread_local_aref(), RMPD_ROUNDING_MODE_DEFAULT, and rmpd_set_thread_local_rounding_mode.

Referenced by BigDecimal_add2(), BigDecimal_div2(), BigDecimal_mode(), BigDecimal_mult2(), BigDecimal_round(), BigDecimal_save_rounding_mode(), BigDecimal_sub2(), VpInternalRound(), VpLimitRound(), and VpSetRoundMode().

VP_EXPORT size_t VpInit ( BDIGIT  BaseVal)

Definition at line 3553 of file bigdecimal.c.

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

Referenced by Init_bigdecimal().

static void VpInternalRound ( Real *  c,
size_t  ixDigit,
BDIGIT  vPrev,
BDIGIT  v 
) [static]

Definition at line 5704 of file bigdecimal.c.

References BASE1, VP_ROUND_CEIL, VP_ROUND_DOWN, VP_ROUND_FLOOR, VP_ROUND_HALF_DOWN, VP_ROUND_HALF_EVEN, VP_ROUND_HALF_UP, VP_ROUND_UP, VpGetRoundMode(), VpGetSign, VpLimitRound(), VpNmlz(), and VpRdup().

Referenced by BigDecimal_div(), VpAddSub(), VpAsgn(), and VpDtoV().

static int VpIsDefOP ( Real *  c,
Real *  a,
Real *  b,
int  sw 
) [static]

Definition at line 3412 of file bigdecimal.c.

References VP_EXCEPTION_INFINITY, VP_EXCEPTION_NaN, VpException(), VpGetSign, VpIsInf, VpIsNaN, VpIsZero, VpSetInf, VpSetNaN, and VpSetZero.

Referenced by VpAddSub(), VpDivd(), and VpMult().

VP_EXPORT int VpIsRoundMode ( unsigned short  n)

Definition at line 3266 of file bigdecimal.c.

References 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 check_rounding_mode(), and VpSetRoundMode().

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

Definition at line 5668 of file bigdecimal.c.

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

Referenced by BigDecimal_add2(), BigDecimal_div2(), BigDecimal_mult2(), BigDecimal_sub2(), and VpLimitRound().

static int VpLimitRound ( Real *  c,
size_t  ixDigit 
) [static]

Definition at line 5691 of file bigdecimal.c.

References BASE_FIG, Real::Prec, VpGetPrecLimit(), VpGetRoundMode(), VpLeftRound(), and VpNmlz().

Referenced by VpAsgn(), VpInternalRound(), and VpMult().

VP_EXPORT void* VpMemAlloc ( size_t  mb)

Definition at line 3136 of file bigdecimal.c.

References VP_EXCEPTION_MEMORY, VpException(), and xmalloc.

Referenced by VpAlloc(), and VpDup().

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

Definition at line 5508 of file bigdecimal.c.

References BASE, BASE_FIG, BDIGIT, div, Real::exponent, Real::frac, Real::Prec, SIGNED_VALUE, 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, VpNmlz(), VpRdup(), VpSetOne, VpSetSign, and VpSetZero.

Referenced by VpActiveRound(), and VpLeftRound().

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

Definition at line 4255 of file bigdecimal.c.

References AddExponent(), BASE, BASE_FIG, BDIGIT, BDIGIT_DBL, Real::exponent, Real::frac, Real::MaxPrec, NULL, Real::Prec, VpAlloc(), VpAsgn(), VpFree(), VpGetSign, VpIsDefOP(), VpIsOne, VpIsZero, VpLimitRound(), VpNmlz(), VpSetSign, and VpSetZero.

Referenced by BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_mult(), VpPower(), and VpSqrt().

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

Definition at line 552 of file bigdecimal.c.

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

Referenced by BigDecimal_load(), and BigDecimal_new().

static int VpNmlz ( Real *  a) [static]

Definition at line 4594 of file bigdecimal.c.

References AddExponent(), BDIGIT, Real::frac, memmove(), Real::Prec, SIGNED_VALUE, VpGetSign, VpIsDef, VpIsZero, and VpSetZero.

Referenced by VpCtoV(), VpDivd(), VpFrac(), VpInternalRound(), VpLimitRound(), VpMidRound(), VpMult(), and VpRdup().

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

Definition at line 3509 of file bigdecimal.c.

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

Referenced by BigDecimal_dump(), BigDecimal_inspect(), BigDecimal_split(), BigDecimal_to_f(), and BigDecimal_to_s().

VP_EXPORT Real* VpOne ( void  )

Definition at line 3584 of file bigdecimal.c.

References VpConstOne.

Referenced by BigDecimal_DoDivmod().

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

Definition at line 5825 of file bigdecimal.c.

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

Referenced by BigDecimal_power().

static int VpRdup ( Real *  m,
size_t  ind_m 
) [static]

Definition at line 5752 of file bigdecimal.c.

References AddExponent(), BASE, BDIGIT, Real::frac, Real::Prec, and VpNmlz().

Referenced by VpInternalRound(), and VpMidRound().

static void VpSetException ( unsigned short  f) [static]

Definition at line 3196 of file bigdecimal.c.

References rmpd_set_thread_local_exception_mode.

Referenced by BigDecimal_mode(), and BigDecimal_save_exception_mode().

VP_EXPORT size_t VpSetPrecLimit ( size_t  n)

Definition at line 3231 of file bigdecimal.c.

References rmpd_set_thread_local_precision_limit, and VpGetPrecLimit().

Referenced by BigDecimal_add2(), BigDecimal_ceil(), BigDecimal_div2(), BigDecimal_floor(), BigDecimal_limit(), BigDecimal_mult2(), BigDecimal_round(), BigDecimal_save_limit(), BigDecimal_sub2(), and BigDecimal_truncate().

static size_t VpSetPTR ( Real *  a,
Real *  b,
Real *  c,
size_t *  a_pos,
size_t *  b_pos,
size_t *  c_pos,
BDIGIT *  av,
BDIGIT *  bv 
) [static]

Definition at line 4160 of file bigdecimal.c.

References AddExponent(), Real::exponent, Real::frac, Max, Real::MaxPrec, and Real::Prec.

Referenced by VpAddAbs(), and VpSubAbs().

VP_EXPORT unsigned short VpSetRoundMode ( unsigned short  n)

Definition at line 3284 of file bigdecimal.c.

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

Referenced by BigDecimal_mode(), and BigDecimal_save_rounding_mode().

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

Definition at line 5398 of file bigdecimal.c.

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

Referenced by BigDecimal_sqrt().

static BDIGIT VpSubAbs ( Real *  a,
Real *  b,
Real *  c 
) [static]

Definition at line 4048 of file bigdecimal.c.

References BASE, BDIGIT, bp, Real::frac, VpAsgn(), and VpSetPTR().

Referenced by VpAddSub().

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

Definition at line 4863 of file bigdecimal.c.

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

Referenced by BigDecimal_split().

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

Definition at line 4988 of file bigdecimal.c.

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

Referenced by BigDecimal_to_s().

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

Definition at line 4909 of file bigdecimal.c.

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

Referenced by VpToFString(), and VpToString().

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

Definition at line 4942 of file bigdecimal.c.

References BASE1, BASE_FIG, BDIGIT, Real::exponent, Real::frac, Real::Prec, PRIdSIZE, shift(), strlen(), VpFormatSt(), VpGetSign, and VpToSpecialString().

Referenced by BigDecimal_dump(), BigDecimal_inspect(), BigDecimal_to_f(), and BigDecimal_to_s().

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

Definition at line 5204 of file bigdecimal.c.

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

Referenced by BigDecimal_to_f(), and VpSqrt().

static double Zero ( void  ) [static]

Definition at line 3305 of file bigdecimal.c.

References gZero_ABCED9B1_CE73__00400511F31D.

Referenced by VpGetDoubleNaN(), VpGetDoubleNegInf(), and VpGetDoublePosInf().

Variable Documentation

const rb_data_type_t BigDecimal_data_type [static]
Initial value:
 {
    "BigDecimal",
    {0, BigDecimal_delete, BigDecimal_memsize,},
}

Definition at line 162 of file bigdecimal.c.

volatile const double gOne_ABCED9B4_CE73__00400511F31D = 1.0

Definition at line 3303 of file bigdecimal.c.

Referenced by One().

volatile const double gZero_ABCED9B1_CE73__00400511F31D = 0.0

Definition at line 3302 of file bigdecimal.c.

Referenced by Zero().

ID id_banker [static]

Definition at line 55 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_BigDecimal_exception_mode [static]

Definition at line 44 of file bigdecimal.c.

Referenced by Init_bigdecimal(), and VpGetException().

ID id_BigDecimal_precision_limit [static]

Definition at line 46 of file bigdecimal.c.

Referenced by Init_bigdecimal(), and VpGetPrecLimit().

ID id_BigDecimal_rounding_mode [static]

Definition at line 45 of file bigdecimal.c.

Referenced by Init_bigdecimal(), and VpGetRoundMode().

ID id_ceil [static]

Definition at line 57 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_ceiling [static]

Definition at line 56 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_default [static]

Definition at line 52 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_down [static]

Definition at line 49 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_eq [static]

Definition at line 60 of file bigdecimal.c.

Referenced by Init_bigdecimal(), is_one(), and is_zero().

ID id_floor [static]

Definition at line 58 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_half_down [static]

Definition at line 53 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_half_even [static]

Definition at line 54 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_half_up [static]

Definition at line 51 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_to_r [static]

Definition at line 59 of file bigdecimal.c.

Referenced by GetVpValueWithPrec(), and Init_bigdecimal().

ID id_truncate [static]

Definition at line 50 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

ID id_up [static]

Definition at line 48 of file bigdecimal.c.

Referenced by check_rounding_mode(), and Init_bigdecimal().

VALUE rb_cBigDecimal

Definition at line 41 of file bigdecimal.c.

Referenced by BigDecimal_global_new(), Init_bigdecimal(), and VpCreateRbObject().

VALUE rb_mBigMath

Definition at line 42 of file bigdecimal.c.

Referenced by Init_bigdecimal().

Real* VpConstOne [static]

Definition at line 3113 of file bigdecimal.c.

Referenced by VpOne().

Real* VpPt5 [static]

Definition at line 3114 of file bigdecimal.c.

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