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 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)
#define RBIGNUM_ZERO_P(x)
#define RRATIONAL_ZERO_P(x)
#define RRATIONAL_NEGATIVE_P(x)   RTEST(rb_funcall((x), '<', 1, INT2FIX(0)))
#define DECIMAL_SIZE_OF_BITS(n)   (((n) * 3010 + 9998) / 9999)
#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 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
#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 * VpCopy (Real *pv, 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_s_allocate (VALUE klass)
static Real * BigDecimal_new (int argc, VALUE *argv)
static VALUE BigDecimal_initialize (int argc, VALUE *argv, VALUE self)
static VALUE BigDecimal_initialize_copy (VALUE self, VALUE other)
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 * 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)
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 2025 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 2026 of file bigdecimal.c.

Referenced by rmpd_power_by_big_decimal().

#define DBLE_FIG   (DBL_DIG+1)

Definition at line 75 of file bigdecimal.c.

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

#define DECIMAL_SIZE_OF_BITS ( n   )     (((n) * 3010 + 9998) / 9999)

Definition at line 106 of file bigdecimal.c.

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

Definition at line 122 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 RB_UNUSED_VAR(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_global_new(), BigDecimal_hash(), BigDecimal_initialize(), BigDecimal_inspect(), BigDecimal_load(), BigDecimal_mod(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_neg(), 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_global_new(), BigDecimal_hash(), BigDecimal_initialize(), BigDecimal_inspect(), BigDecimal_load(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_neg(), 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 2049 of file bigdecimal.c.

Referenced by BigDecimal_power().

#define maxnr   100UL

Definition at line 3268 of file bigdecimal.c.

Referenced by VpSqrt().

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

Definition at line 3272 of file bigdecimal.c.

#define NDEBUG

Definition at line 23 of file bigdecimal.c.

#define PRIsVALUE   "s"

Definition at line 114 of file bigdecimal.c.

Referenced by BigDecimal_new(), BigDecimal_power(), cbsubst_get_subst_arg(), cbsubst_sym_to_subst(), cbsubst_table_setup(), check_exec_options_i(), check_path_encoding(), coerce_failed(), conversion_mismatch(), convert_type(), error_print(), etc_getgrnam(), etc_getpwnam(), exec_recursive(), extract_user_token(), fiddle_handle_sym(), generate_json_float(), generic_ivar_get(), get_eval_string_core(), get_new_timeval(), get_timeval(), GetVpValueWithPrec(), insn_operand_intern(), iseq_load(), ivar_get(), mSyslog_inspect(), mSyslog_log(), name_to_backref_error(), new_struct(), not_a_member(), num_init_copy(), num_sadded(), ossl_asn1_default_tag(), ossl_cipher_init(), ossl_x509_inspect(), parse_keyword_arg_i(), path2class(), path2module(), path_inspect(), rb_any_to_s(), rb_autoload(), rb_check_copyable(), rb_const_get_0(), rb_const_remove(), rb_const_set(), rb_cvar_get(), rb_cvar_set(), rb_dlptr_inspect(), rb_f_untrace_var(), rb_fiddle_ptr_inspect(), rb_id_attrset(), rb_invalid_str(), rb_method_entry_make(), rb_method_name_error(), rb_mod_const_defined(), rb_mod_const_get(), rb_mod_const_set(), rb_mod_cvar_defined(), rb_mod_cvar_get(), rb_mod_cvar_set(), rb_mod_remove_const(), rb_mod_remove_cvar(), rb_obj_alloc(), rb_obj_inspect(), rb_obj_ivar_defined(), rb_obj_ivar_get(), rb_obj_ivar_set(), rb_obj_remove_instance_variable(), rb_obj_respond_to(), rb_path_to_class(), rb_print_undef(), rb_print_undef_str(), rb_search_method_entry(), rb_struct_aref(), rb_struct_aset(), rb_undef(), readonly_setter(), set_const_visibility(), setup_exception(), strscan_inspect(), syserr_initialize(), tracepoint_inspect(), undef_getter(), uninitialized_constant(), unknown_keyword_error(), and vm_search_super_method().

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

Definition at line 64 of file bigdecimal.c.

Referenced by initialize_params(), rb_str_format(), reduce0(), ruby_qsort(), shift(), yaml_document_add_mapping(), yaml_document_add_scalar(), yaml_document_add_sequence(), yaml_document_append_mapping_pair(), yaml_document_append_sequence_item(), yaml_document_initialize(), yaml_document_start_event_initialize(), yaml_emitter_append_tag_directive(), yaml_emitter_emit_block_mapping_key(), yaml_emitter_emit_block_mapping_value(), yaml_emitter_emit_block_sequence_item(), yaml_emitter_emit_document_content(), yaml_emitter_emit_flow_mapping_key(), yaml_emitter_emit_flow_mapping_value(), yaml_emitter_emit_flow_sequence_item(), yaml_emitter_increase_indent(), yaml_parser_append_tag_directive(), yaml_parser_fetch_stream_start(), yaml_parser_increase_flow_level(), yaml_parser_load_mapping(), yaml_parser_load_scalar(), yaml_parser_load_sequence(), yaml_parser_parse_block_mapping_key(), yaml_parser_parse_block_mapping_value(), yaml_parser_parse_block_sequence_entry(), yaml_parser_parse_document_start(), yaml_parser_parse_flow_mapping_key(), yaml_parser_parse_flow_mapping_value(), yaml_parser_parse_flow_sequence_entry(), yaml_parser_parse_flow_sequence_entry_mapping_key(), yaml_parser_parse_flow_sequence_entry_mapping_value(), yaml_parser_parse_indentless_sequence_entry(), yaml_parser_process_directives(), yaml_parser_register_anchor(), and yaml_parser_roll_indent().

#define RB_OBJ_CLASSNAME ( obj   )     rb_obj_classname(obj)

Definition at line 115 of file bigdecimal.c.

Referenced by BigDecimal_new(), BigDecimal_power(), GetVpValueWithPrec(), and rb_fiddle_ptr_inspect().

#define RB_OBJ_STRING ( obj   )     StringValueCStr(obj)

Definition at line 116 of file bigdecimal.c.

Referenced by generate_json_float(), and parse_keyword_arg_i().

#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 3374 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 3335 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 3368 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 3405 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 3273 of file bigdecimal.c.

Referenced by VpAlloc().

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

Definition at line 588 of file bigdecimal.c.

Referenced by VpAlloc().

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

Definition at line 589 of file bigdecimal.c.

Referenced by VpCopy().

Function Documentation

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

Definition at line 3754 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 1556 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 850 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 1499 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 1794 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 639 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 795 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 1056 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by Init_bigdecimal().

static void BigDecimal_delete ( void *  pv  )  [static]

Definition at line 152 of file bigdecimal.c.

References VpFree().

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

Definition at line 1243 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 1463 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 1192 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 1447 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 1368 of file bigdecimal.c.

References DBL_DIG, DoSomeOne, ENTER, f, 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 1267 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 299 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 364 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 1072 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by BigDecimal_power(), and Init_bigdecimal().

static VALUE BigDecimal_exponent ( VALUE  self  )  [static]

Definition at line 1982 of file bigdecimal.c.

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

Referenced by Init_bigdecimal().

static VALUE BigDecimal_fix ( VALUE  self  )  [static]

Definition at line 1597 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 1747 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 1716 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 1124 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 2487 of file bigdecimal.c.

References BigDecimal_data_type, BigDecimal_new(), ENTER, GUARD_OBJ, NULL, Real::obj, rb_cBigDecimal, ToValue(), TypedData_Wrap_Struct, and VpCopy().

Referenced by Init_bigdecimal().

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

Definition at line 1111 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_hash ( VALUE  self  )  [static]

Definition at line 335 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_initialize ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 2403 of file bigdecimal.c.

References BigDecimal_data_type, BigDecimal_new(), DATA_PTR, ENTER, GUARD_OBJ, Real::obj, rb_check_typeddata(), ToValue(), VpCopy(), and VpFree().

Referenced by Init_bigdecimal().

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

Definition at line 2427 of file bigdecimal.c.

References BigDecimal_data_type, DATA_PTR, rb_check_typeddata(), and VpCopy().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_inspect ( VALUE  self  )  [static]

Definition at line 1999 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 630 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 620 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 609 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 1098 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by Init_bigdecimal().

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

Definition at line 2511 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 386 of file bigdecimal.c.

References ENTER, GUARD_OBJ, ISDIGIT, 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 1085 of file bigdecimal.c.

References BigDecimalCmp().

Referenced by Init_bigdecimal().

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

Definition at line 158 of file bigdecimal.c.

References BDIGIT, and Real::MaxPrec.

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

Definition at line 1355 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 485 of file bigdecimal.c.

References check_rounding_mode(), Check_Type, f, FIX2INT, INT2FIX, NIL_P, Qfalse, Qnil, Qtrue, rb_eArgError, rb_eTypeError, rb_raise(), rb_scan_args(), T_FIXNUM, val, 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 1165 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 1533 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 1139 of file bigdecimal.c.

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

Referenced by Init_bigdecimal().

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

Definition at line 2439 of file bigdecimal.c.

References DATA_PTR, DBL_DIG, GetPositiveInt(), GetVpValue(), GetVpValueWithPrec(), is_kind_of_BigDecimal(), NIL_P, PRIsVALUE, rb_eArgError, RB_OBJ_CLASSNAME, rb_raise(), rb_scan_args(), RSTRING_PTR, StringValueCStr, T_BIGNUM, T_DATA, T_FIXNUM, T_FLOAT, T_RATIONAL, T_STRING, TYPE, and VpAlloc().

Referenced by BigDecimal_global_new(), and BigDecimal_initialize().

static VALUE BigDecimal_nonzero ( VALUE  self  )  [static]

Definition at line 1046 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 2145 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, PRIsVALUE, 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 2371 of file bigdecimal.c.

References BigDecimal_power().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_prec ( VALUE  self  )  [static]

Definition at line 314 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 1418 of file bigdecimal.c.

References BigDecimal_divremain(), f, and ToValue().

Referenced by Init_bigdecimal().

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

Definition at line 1631 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_s_allocate ( VALUE  klass  )  [static]

Definition at line 2377 of file bigdecimal.c.

References NULL, Real::obj, and VpNewRbClass().

Referenced by Init_bigdecimal().

static VALUE BigDecimal_save_exception_mode ( VALUE  self  )  [static]

Definition at line 2571 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 2621 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 2596 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 2546 of file bigdecimal.c.

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

Referenced by Init_bigdecimal().

static VALUE BigDecimal_split ( VALUE  self  )  [static]

Definition at line 1945 of file bigdecimal.c.

References ENTER, GetVpValue(), GUARD_OBJ, INT2FIX, INT2NUM, 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 1578 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 904 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 1516 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 702 of file bigdecimal.c.

References BASE_FIG, buf, DBL_MAX_10_EXP, DBL_MIN_10_EXP, ENTER, errno, GetVpValue(), GUARD_OBJ, rb_str_new(), RSTRING_PTR, Real::sign, 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 657 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 749 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 1854 of file bigdecimal.c.

References ENTER, f, 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 1687 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 827 of file bigdecimal.c.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_version ( VALUE  self  )  [static]

Definition at line 128 of file bigdecimal.c.

References rb_str_new2.

Referenced by Init_bigdecimal().

static VALUE BigDecimal_zero ( VALUE  self  )  [static]

Definition at line 1038 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 943 of file bigdecimal.c.

References DBL_DIG, ENTER, f, 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, UNREACHABLE, 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 2642 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 2774 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(), PRIdVALUE, 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 191 of file bigdecimal.c.

References rb_class_name(), rb_exc_new3(), rb_exc_raise(), rb_inspect(), rb_obj_class(), 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 411 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 540 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 561 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 286 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 209 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, PRIsVALUE, 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 3032 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_initialize(), BigDecimal_initialize_copy(), 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_nonzero(), BigDecimal_power(), BigDecimal_power_op(), BigDecimal_prec(), BigDecimal_remainder(), BigDecimal_round(), BigDecimal_s_allocate(), 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_alloc_func(), 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 2100 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 2029 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 170 of file bigdecimal.c.

References BigDecimal_data_type, and 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 2035 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 2075 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 2052 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 3474 of file bigdecimal.c.

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 2117 of file bigdecimal.c.

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

Referenced by BigDecimal_power().

static VALUE ToValue ( Real *  p  )  [static]

Definition at line 176 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_global_new(), BigDecimal_initialize(), BigDecimal_load(), BigDecimal_mod(), BigDecimal_mult(), BigDecimal_mult2(), BigDecimal_neg(), 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 5840 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 4120 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 3992 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 3797 of file bigdecimal.c.

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

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

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

Definition at line 3950 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 4792 of file bigdecimal.c.

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

Referenced by BigDecimalCmp().

static Real * VpCopy ( Real *  pv,
Real const *const   x 
) [static]

Definition at line 592 of file bigdecimal.c.

References assert, BDIGIT, Real::exponent, Real::flag, Real::frac, Real::MaxPrec, MEMCPY, NULL, Real::Prec, Real::sign, and VpReallocReal.

Referenced by BigDecimal_global_new(), BigDecimal_initialize(), and BigDecimal_initialize_copy().

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

Definition at line 581 of file bigdecimal.c.

References BigDecimal_data_type, 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 5213 of file bigdecimal.c.

References BASE_FIG, BDIGIT, Real::exponent, Real::frac, Real::MaxPrec, 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 4543 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 5426 of file bigdecimal.c.

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

Referenced by VpSqrt().

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

Definition at line 3535 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(), VpMemRealloc(), and VpSqrt().

VP_EXPORT ssize_t VpExponent10 ( Real *  a  ) 

Definition at line 5006 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 4981 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 5934 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 3313 of file bigdecimal.c.

References getchar, NULL, and xfree.

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

VP_EXPORT double VpGetDoubleNaN ( void   ) 

Definition at line 3494 of file bigdecimal.c.

References Zero().

Referenced by VpInit(), and VpVtoD().

VP_EXPORT double VpGetDoubleNegInf ( void   ) 

Definition at line 3510 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 3518 of file bigdecimal.c.

References One(), and VpGetDoubleNegInf().

Referenced by VpInit(), and VpVtoD().

VP_EXPORT double VpGetDoublePosInf ( void   ) 

Definition at line 3502 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 3343 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 3378 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 3413 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 3716 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 5861 of file bigdecimal.c.

References BASE1, f, 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 3575 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 3429 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 5825 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 5848 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 3289 of file bigdecimal.c.

References VP_EXCEPTION_MEMORY, VpException(), and xmalloc.

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

Definition at line 3303 of file bigdecimal.c.

References VP_EXCEPTION_MEMORY, VpException(), and xrealloc.

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

Definition at line 5665 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 4418 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 573 of file bigdecimal.c.

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

Referenced by BigDecimal_load(), and BigDecimal_s_allocate().

static int VpNmlz ( Real *  a  )  [static]

Definition at line 4754 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 3672 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 3747 of file bigdecimal.c.

Referenced by BigDecimal_DoDivmod().

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

Definition at line 5982 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 5909 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 3359 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 3394 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 4323 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 3447 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 5556 of file bigdecimal.c.

References BASE, BASE_FIG, DBLE_FIG, Real::exponent, f, 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 4211 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 5023 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 5148 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 5069 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 5102 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 5362 of file bigdecimal.c.

References BASE, BASE_FIG, DBLE_FIG, div, Real::exponent, f, 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 3468 of file bigdecimal.c.

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 164 of file bigdecimal.c.

Referenced by BigDecimal_global_new(), BigDecimal_initialize(), BigDecimal_initialize_copy(), is_kind_of_BigDecimal(), VpCreateRbObject(), and VpNewRbClass().

volatile const double gOne_ABCED9B4_CE73__00400511F31D = 1.0

Definition at line 3466 of file bigdecimal.c.

volatile const double gZero_ABCED9B1_CE73__00400511F31D = 0.0

Definition at line 3465 of file bigdecimal.c.

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.

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.

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 3266 of file bigdecimal.c.

Real* VpPt5 [static]

Definition at line 3267 of file bigdecimal.c.

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