Ruby  2.1.5p273(2014-11-13revision48405)
Data Structures | Macros | Functions | Variables
bigdecimal.h File Reference
#include "ruby/ruby.h"
#include <float.h>

Go to the source code of this file.

Data Structures

struct  Real
 

Macros

#define BDIGIT   uint16_t
 
#define BDIGIT_DBL   uint32_t
 
#define BDIGIT_DBL_SIGNED   int32_t
 
#define SIZEOF_BDIGITS   2
 
#define vabs   abs
 
#define RMPD_COMPONENT_FIGURES   4
 
#define RMPD_BASE   ((BDIGIT)10000U)
 
#define SZ_NaN   "NaN"
 
#define SZ_INF   "Infinity"
 
#define SZ_PINF   "+Infinity"
 
#define SZ_NINF   "-Infinity"
 
#define VP_EXPORT   static
 
#define VP_EXCEPTION_ALL   ((unsigned short)0x00FF)
 
#define VP_EXCEPTION_INFINITY   ((unsigned short)0x0001)
 
#define VP_EXCEPTION_NaN   ((unsigned short)0x0002)
 
#define VP_EXCEPTION_UNDERFLOW   ((unsigned short)0x0004)
 
#define VP_EXCEPTION_OVERFLOW   ((unsigned short)0x0001) /* 0x0008) */
 
#define VP_EXCEPTION_ZERODIVIDE   ((unsigned short)0x0010)
 
#define VP_EXCEPTION_OP   ((unsigned short)0x0020)
 
#define VP_EXCEPTION_MEMORY   ((unsigned short)0x0040)
 
#define RMPD_EXCEPTION_MODE_DEFAULT   0U
 
#define VP_ROUND_MODE   ((unsigned short)0x0100)
 
#define VP_ROUND_UP   1
 
#define VP_ROUND_DOWN   2
 
#define VP_ROUND_HALF_UP   3
 
#define VP_ROUND_HALF_DOWN   4
 
#define VP_ROUND_CEIL   5
 
#define VP_ROUND_FLOOR   6
 
#define VP_ROUND_HALF_EVEN   7
 
#define RMPD_ROUNDING_MODE_DEFAULT   VP_ROUND_HALF_UP
 
#define VP_SIGN_NaN   0 /* NaN */
 
#define VP_SIGN_POSITIVE_ZERO   1 /* Positive zero */
 
#define VP_SIGN_NEGATIVE_ZERO   -1 /* Negative zero */
 
#define VP_SIGN_POSITIVE_FINITE   2 /* Positive finite number */
 
#define VP_SIGN_NEGATIVE_FINITE   -2 /* Negative finite number */
 
#define VP_SIGN_POSITIVE_INFINITE   3 /* Positive infinite number */
 
#define VP_SIGN_NEGATIVE_INFINITE   -3 /* Negative infinite number */
 
#define FLEXIBLE_ARRAY_SIZE   1
 
#define VpBaseFig()   rmpd_component_figures()
 
#define VpDblFig()   rmpd_double_figures()
 
#define VpBaseVal()   rmpd_base_value()
 
#define Abs(a)   (((a)>= 0)?(a):(-(a)))
 
#define Max(a, b)   (((a)>(b))?(a):(b))
 
#define Min(a, b)   (((a)>(b))?(b):(a))
 
#define VpMaxPrec(a)   ((a)->MaxPrec)
 
#define VpPrec(a)   ((a)->Prec)
 
#define VpGetFlag(a)   ((a)->flag)
 
#define VpGetSign(a)   (((a)->sign>0)?1:(-1))
 
#define VpChangeSign(a, s)   {if((s)>0) (a)->sign=(short)Abs((ssize_t)(a)->sign);else (a)->sign=-(short)Abs((ssize_t)(a)->sign);}
 
#define VpSetSign(a, s)   {if((s)>0) (a)->sign=(short)VP_SIGN_POSITIVE_FINITE;else (a)->sign=(short)VP_SIGN_NEGATIVE_FINITE;}
 
#define VpSetOne(a)   {(a)->Prec=(a)->exponent=(a)->frac[0]=1;(a)->sign=VP_SIGN_POSITIVE_FINITE;}
 
#define VpIsPosZero(a)   ((a)->sign==VP_SIGN_POSITIVE_ZERO)
 
#define VpIsNegZero(a)   ((a)->sign==VP_SIGN_NEGATIVE_ZERO)
 
#define VpIsZero(a)   (VpIsPosZero(a) || VpIsNegZero(a))
 
#define VpSetPosZero(a)   ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_ZERO)
 
#define VpSetNegZero(a)   ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_ZERO)
 
#define VpSetZero(a, s)   ( ((s)>0)?VpSetPosZero(a):VpSetNegZero(a) )
 
#define VpIsNaN(a)   ((a)->sign==VP_SIGN_NaN)
 
#define VpSetNaN(a)   ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NaN)
 
#define VpIsPosInf(a)   ((a)->sign==VP_SIGN_POSITIVE_INFINITE)
 
#define VpIsNegInf(a)   ((a)->sign==VP_SIGN_NEGATIVE_INFINITE)
 
#define VpIsInf(a)   (VpIsPosInf(a) || VpIsNegInf(a))
 
#define VpIsDef(a)   ( !(VpIsNaN(a)||VpIsInf(a)) )
 
#define VpSetPosInf(a)   ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_INFINITE)
 
#define VpSetNegInf(a)   ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_INFINITE)
 
#define VpSetInf(a, s)   ( ((s)>0)?VpSetPosInf(a):VpSetNegInf(a) )
 
#define VpHasVal(a)   (a->frac[0])
 
#define VpIsOne(a)   ((a->Prec==1)&&(a->frac[0]==1)&&(a->exponent==1))
 
#define VpExponent(a)   (a->exponent)
 

Functions

static long labs (long const x)
 
static LONG_LONG llabs (LONG_LONG const x)
 
VP_EXPORT Real * VpNewRbClass (size_t mx, char const *str, VALUE klass)
 
VP_EXPORT Real * VpCreateRbObject (size_t mx, const char *str)
 
static BDIGIT rmpd_base_value (void)
 
static size_t rmpd_component_figures (void)
 
static size_t rmpd_double_figures (void)
 
VP_EXPORT double VpGetDoubleNaN (void)
 
VP_EXPORT double VpGetDoublePosInf (void)
 
VP_EXPORT double VpGetDoubleNegInf (void)
 
VP_EXPORT double VpGetDoubleNegZero (void)
 
VP_EXPORT size_t VpGetPrecLimit (void)
 
VP_EXPORT size_t VpSetPrecLimit (size_t n)
 
VP_EXPORT int VpIsRoundMode (unsigned short n)
 
VP_EXPORT unsigned short VpGetRoundMode (void)
 
VP_EXPORT unsigned short VpSetRoundMode (unsigned short n)
 
VP_EXPORT int VpException (unsigned short f, const char *str, int always)
 
VP_EXPORT size_t VpNumOfChars (Real *vp, const char *pszFmt)
 
VP_EXPORT size_t VpInit (BDIGIT BaseVal)
 
VP_EXPORT void * VpMemAlloc (size_t mb)
 
VP_EXPORT void * VpMemRealloc (void *ptr, size_t mb)
 
VP_EXPORT void VpFree (Real *pv)
 
VP_EXPORT Real * VpAlloc (size_t mx, const char *szVal)
 
VP_EXPORT size_t VpAsgn (Real *c, Real *a, int isw)
 
VP_EXPORT size_t VpAddSub (Real *c, Real *a, Real *b, int operation)
 
VP_EXPORT size_t VpMult (Real *c, Real *a, Real *b)
 
VP_EXPORT size_t VpDivd (Real *c, Real *r, Real *a, Real *b)
 
VP_EXPORT int VpComp (Real *a, Real *b)
 
VP_EXPORT ssize_t VpExponent10 (Real *a)
 
VP_EXPORT void VpSzMantissa (Real *a, char *psz)
 
VP_EXPORT int VpToSpecialString (Real *a, char *psz, int fPlus)
 
VP_EXPORT void VpToString (Real *a, char *psz, size_t fFmt, int fPlus)
 
VP_EXPORT void VpToFString (Real *a, char *psz, size_t fFmt, int fPlus)
 
VP_EXPORT int VpCtoV (Real *a, const char *int_chr, size_t ni, const char *frac, size_t nf, const char *exp_chr, size_t ne)
 
VP_EXPORT int VpVtoD (double *d, SIGNED_VALUE *e, Real *m)
 
VP_EXPORT void VpDtoV (Real *m, double d)
 
VP_EXPORT int VpSqrt (Real *y, Real *x)
 
VP_EXPORT int VpActiveRound (Real *y, Real *x, unsigned short f, ssize_t il)
 
VP_EXPORT int VpMidRound (Real *y, unsigned short f, ssize_t nf)
 
VP_EXPORT int VpLeftRound (Real *y, unsigned short f, ssize_t nf)
 
VP_EXPORT void VpFrac (Real *y, Real *x)
 
VP_EXPORT int VpPower (Real *y, Real *x, SIGNED_VALUE n)
 
VP_EXPORT Real * VpOne (void)
 

Variables

VALUE rb_cBigDecimal
 

Macro Definition Documentation

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

Definition at line 268 of file bigdecimal.h.

#define BDIGIT   uint16_t

Definition at line 47 of file bigdecimal.h.

Referenced by abs2twocomp(), absint_numwords_generic(), bary_addc(), bary_divmod(), bary_divmod_normal(), bary_mul_balance_with_mulfunc(), bary_mul_karatsuba(), bary_mul_precheck(), bary_mul_toom3(), bary_pack(), bary_small_rshift(), bary_sq_fast(), bary_swap(), bary_unpack_internal(), bdigitdbl2bary(), big2dbl(), big2str_generic(), big2str_karatsuba(), big2ulong(), big_shift3(), bigadd_int(), bigand_int(), BigDecimal_hash(), BigDecimal_memsize(), bigdivrem(), bigdivrem1(), bigdivrem_restoring(), bigdivrem_single1(), bigfixize(), bigmul0(), bignew_1(), bigor_int(), bigsq(), bigsub(), bigsub_int(), bigtrunc(), bigxor_int(), dbl2big(), get2comp(), if(), obj_memsize_of(), ossl_bn_initialize(), rb_absint_singlebit_p(), rb_absint_size(), rb_big2str1(), rb_big_and(), rb_big_aref(), rb_big_bit_length(), rb_big_clone(), rb_big_divrem_normal(), rb_big_eq(), rb_big_eql(), rb_big_hash(), rb_big_neg(), rb_big_or(), rb_big_realloc(), rb_big_xor(), rb_integer_pack(), rb_integer_unpack(), rb_uint2big(), str2big_karatsuba(), str2big_normal(), str2big_poweroftwo(), VpAddAbs(), VpAddSub(), VpAsgn(), VpCopy(), VpCtoV(), VpDivd(), VpDtoV(), VpMult(), VpNmlz(), VpRdup(), VpSubAbs(), and w_object().

#define BDIGIT_DBL   uint32_t

Definition at line 48 of file bigdecimal.h.

Referenced by bary_addc(), bary_divmod(), bary_mul_single(), bary_muladd_1xN(), bary_pack(), bary_small_lshift(), bary_small_rshift(), bary_sq_fast(), bary_unpack_internal(), big2str_2bdigits(), bigadd_int(), bigdivrem(), bigdivrem_mulsub(), bigdivrem_single1(), if(), integer_pack_fill_dd(), integer_pack_take_lowbits(), integer_unpack_push_bits(), maxpow_in_bdigit_dbl(), power_cache_get_power(), rb_integer_unpack(), str2big_karatsuba(), str2big_normal(), str2big_poweroftwo(), VpDivd(), VpMult(), and VpSzMantissa().

#define BDIGIT_DBL_SIGNED   int32_t

Definition at line 49 of file bigdecimal.h.

Referenced by bary_mulsub_1xN(), bary_pack(), bary_subb(), BigDecimal_to_i(), bigdivrem1(), bigdivrem_mulsub(), bigsub_int(), and rb_integer_unpack().

#define FLEXIBLE_ARRAY_SIZE   1

Definition at line 160 of file bigdecimal.h.

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

Definition at line 269 of file bigdecimal.h.

Referenced by VpAlloc(), and VpSetPTR().

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

Definition at line 270 of file bigdecimal.h.

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

#define RMPD_BASE   ((BDIGIT)10000U)

Definition at line 102 of file bigdecimal.h.

Referenced by rmpd_base_value().

#define RMPD_COMPONENT_FIGURES   4

Definition at line 101 of file bigdecimal.h.

Referenced by rmpd_component_figures().

#define RMPD_EXCEPTION_MODE_DEFAULT   0U

Definition at line 135 of file bigdecimal.h.

Referenced by VpGetException().

#define RMPD_ROUNDING_MODE_DEFAULT   VP_ROUND_HALF_UP

Definition at line 147 of file bigdecimal.h.

Referenced by VpGetRoundMode().

#define SIZEOF_BDIGITS   2

Definition at line 50 of file bigdecimal.h.

Referenced by bary_pack(), bary_unpack_internal(), bigfixize(), integer_unpack_single_bdigit(), nlz(), ossl_bn_initialize(), rb_absint_size(), and w_object().

#define SZ_INF   "Infinity"

Definition at line 113 of file bigdecimal.h.

Referenced by VpAlloc(), and VpSzMantissa().

#define SZ_NaN   "NaN"

Definition at line 112 of file bigdecimal.h.

Referenced by VpAlloc(), and VpSzMantissa().

#define SZ_NINF   "-Infinity"

Definition at line 115 of file bigdecimal.h.

Referenced by VpAlloc(), and VpSzMantissa().

#define SZ_PINF   "+Infinity"

Definition at line 114 of file bigdecimal.h.

Referenced by VpAlloc().

#define vabs   abs

Definition at line 82 of file bigdecimal.h.

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

#define VP_EXCEPTION_ALL   ((unsigned short)0x00FF)

Definition at line 124 of file bigdecimal.h.

Referenced by BigDecimal_mode(), and Init_bigdecimal().

#define VP_EXCEPTION_INFINITY   ((unsigned short)0x0001)

Definition at line 125 of file bigdecimal.h.

Referenced by BigDecimal_check_num(), BigDecimal_mode(), GetAddSubPrec(), Init_bigdecimal(), ToValue(), VpCtoV(), VpException(), and VpIsDefOP().

#define VP_EXCEPTION_MEMORY   ((unsigned short)0x0040)

Definition at line 133 of file bigdecimal.h.

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

#define VP_EXCEPTION_NaN   ((unsigned short)0x0002)

Definition at line 126 of file bigdecimal.h.

Referenced by BigDecimal_check_num(), BigDecimal_mode(), Init_bigdecimal(), ToValue(), VpDivd(), VpException(), and VpIsDefOP().

#define VP_EXCEPTION_OP   ((unsigned short)0x0020)

Definition at line 132 of file bigdecimal.h.

Referenced by VpException(), and VpSqrt().

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

Definition at line 128 of file bigdecimal.h.

Referenced by AddExponent(), BigDecimal_to_f(), and Init_bigdecimal().

#define VP_EXCEPTION_UNDERFLOW   ((unsigned short)0x0004)

Definition at line 127 of file bigdecimal.h.

Referenced by AddExponent(), BigDecimal_mode(), BigDecimal_to_f(), Init_bigdecimal(), and VpException().

#define VP_EXCEPTION_ZERODIVIDE   ((unsigned short)0x0010)

Definition at line 129 of file bigdecimal.h.

Referenced by BigDecimal_mode(), Init_bigdecimal(), VpDivd(), and VpException().

#define VP_EXPORT   static

Definition at line 121 of file bigdecimal.h.

#define VP_ROUND_CEIL   5

Definition at line 143 of file bigdecimal.h.

Referenced by BigDecimal_ceil(), check_rounding_mode(), if(), Init_bigdecimal(), switch(), VpInternalRound(), and VpIsRoundMode().

#define VP_ROUND_DOWN   2

Definition at line 140 of file bigdecimal.h.

Referenced by BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_fix(), BigDecimal_truncate(), check_rounding_mode(), Init_bigdecimal(), switch(), VpInternalRound(), and VpIsRoundMode().

#define VP_ROUND_FLOOR   6

Definition at line 144 of file bigdecimal.h.

Referenced by BigDecimal_floor(), check_rounding_mode(), if(), Init_bigdecimal(), switch(), VpInternalRound(), and VpIsRoundMode().

#define VP_ROUND_HALF_DOWN   4

Definition at line 142 of file bigdecimal.h.

Referenced by check_rounding_mode(), Init_bigdecimal(), switch(), VpInternalRound(), and VpIsRoundMode().

#define VP_ROUND_HALF_EVEN   7

Definition at line 145 of file bigdecimal.h.

Referenced by check_rounding_mode(), Init_bigdecimal(), switch(), VpInternalRound(), and VpIsRoundMode().

#define VP_ROUND_HALF_UP   3

Definition at line 141 of file bigdecimal.h.

Referenced by check_rounding_mode(), Init_bigdecimal(), switch(), VpInternalRound(), and VpIsRoundMode().

#define VP_ROUND_MODE   ((unsigned short)0x0100)

Definition at line 138 of file bigdecimal.h.

Referenced by BigDecimal_mode(), and Init_bigdecimal().

#define VP_ROUND_UP   1

Definition at line 139 of file bigdecimal.h.

Referenced by check_rounding_mode(), Init_bigdecimal(), switch(), VpInternalRound(), and VpIsRoundMode().

#define VP_SIGN_NaN   0 /* NaN */

Definition at line 149 of file bigdecimal.h.

Referenced by Init_bigdecimal().

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

Definition at line 153 of file bigdecimal.h.

Referenced by Init_bigdecimal().

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

Definition at line 155 of file bigdecimal.h.

Referenced by Init_bigdecimal().

#define VP_SIGN_NEGATIVE_ZERO   -1 /* Negative zero */

Definition at line 151 of file bigdecimal.h.

Referenced by Init_bigdecimal().

#define VP_SIGN_POSITIVE_FINITE   2 /* Positive finite number */

Definition at line 152 of file bigdecimal.h.

Referenced by Init_bigdecimal().

#define VP_SIGN_POSITIVE_INFINITE   3 /* Positive infinite number */

Definition at line 154 of file bigdecimal.h.

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

#define VP_SIGN_POSITIVE_ZERO   1 /* Positive zero */

Definition at line 150 of file bigdecimal.h.

Referenced by Init_bigdecimal().

#define VpBaseFig ( )    rmpd_component_figures()

Definition at line 208 of file bigdecimal.h.

Referenced by BigDecimal_abs(), BigDecimal_add(), BigDecimal_ceil(), BigDecimal_coerce(), BigDecimal_div2(), BigDecimal_divremain(), BigDecimal_DoDivmod(), BigDecimal_dump(), BigDecimal_fix(), BigDecimal_floor(), BigDecimal_frac(), BigDecimal_inspect(), BigDecimal_load(), BigDecimal_mult(), BigDecimal_neg(), BigDecimal_power(), BigDecimal_prec(), BigDecimal_round(), BigDecimal_sqrt(), BigDecimal_sub(), BigDecimal_to_i(), BigDecimal_truncate(), BigDecimalCmp(), GetVpValueWithPrec(), and if().

#define VpBaseVal ( )    rmpd_base_value()

Definition at line 210 of file bigdecimal.h.

Referenced by if(), and Init_bigdecimal().

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

Definition at line 281 of file bigdecimal.h.

Referenced by BigDecimal_abs(), and VpSqrt().

#define VpDblFig ( )    rmpd_double_figures()

Definition at line 209 of file bigdecimal.h.

Referenced by BigDecimal_double_fig(), and BigDecimal_sqrt().

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

Definition at line 310 of file bigdecimal.h.

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

Definition at line 274 of file bigdecimal.h.

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

Definition at line 279 of file bigdecimal.h.

Referenced by AddExponent(), BigDecimal_add(), BigDecimal_DoDivmod(), BigDecimal_power(), BigDecimal_sub(), BigDecimal_to_i(), BigDecimal_to_r(), BigMath_s_exp(), BigMath_s_log(), for(), if(), switch(), VpAddSub(), VpAsgn(), VpComp(), VpDivd(), VpFrac(), VpInternalRound(), VpIsDefOP(), VpMult(), VpNmlz(), VpPower(), VpSqrt(), VpSzMantissa(), and VpVtoD().

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

Definition at line 308 of file bigdecimal.h.

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

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

Definition at line 304 of file bigdecimal.h.

Referenced by BigDecimal_power(), GetAddSubPrec(), VpComp(), VpNmlz(), and VpNumOfChars().

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

Definition at line 303 of file bigdecimal.h.

Referenced by BigDecimal_DoDivmod(), BigDecimal_IsFinite(), BigDecimal_power(), VpAsgn(), VpIsDefOP(), and VpPower().

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

Definition at line 297 of file bigdecimal.h.

Referenced by BigDecimal_add(), BigDecimal_check_num(), BigDecimal_DoDivmod(), BigDecimal_IsFinite(), BigDecimal_IsNaN(), BigDecimal_power(), BigDecimal_sub(), BigMath_s_exp(), BigMath_s_log(), ToValue(), VpAsgn(), VpComp(), VpIsDefOP(), VpPower(), VpSzMantissa(), and VpVtoD().

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

Definition at line 302 of file bigdecimal.h.

Referenced by BigDecimal_check_num(), BigDecimal_IsInfinite(), BigMath_s_exp(), BigMath_s_log(), ToValue(), VpSzMantissa(), and VpVtoD().

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

Definition at line 290 of file bigdecimal.h.

Referenced by VpVtoD().

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

Definition at line 309 of file bigdecimal.h.

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

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

Definition at line 301 of file bigdecimal.h.

Referenced by BigDecimal_check_num(), BigDecimal_IsInfinite(), BigMath_s_exp(), BigMath_s_log(), ToValue(), VpPower(), VpSzMantissa(), and VpVtoD().

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

Definition at line 289 of file bigdecimal.h.

Referenced by VpSzMantissa(), and VpVtoD().

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

Definition at line 291 of file bigdecimal.h.

Referenced by BigDecimal_DoDivmod(), BigDecimal_nonzero(), BigDecimal_power(), BigDecimal_zero(), BigMath_s_exp(), BigMath_s_log(), rmpd_power_by_big_decimal(), VpAddSub(), VpAsgn(), VpComp(), VpDivd(), VpIsDefOP(), VpMult(), VpNmlz(), VpPower(), VpSqrt(), and VpSzMantissa().

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

Definition at line 272 of file bigdecimal.h.

Referenced by BigDecimal_dump(), and BigDecimal_inspect().

#define VpPrec (   a)    ((a)->Prec)

Definition at line 273 of file bigdecimal.h.

Referenced by BigDecimal_inspect().

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

Definition at line 307 of file bigdecimal.h.

Referenced by AddExponent(), BigDecimal_add(), BigDecimal_DoDivmod(), BigDecimal_power(), BigDecimal_sub(), BigMath_s_exp(), BigMath_s_log(), VpAsgn(), VpCtoV(), VpDivd(), VpIsDefOP(), and VpPower().

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

Definition at line 298 of file bigdecimal.h.

Referenced by BigDecimal_power(), BigMath_s_exp(), BigMath_s_log(), VpAlloc(), VpAsgn(), VpDivd(), VpDtoV(), VpIsDefOP(), VpPower(), and VpSqrt().

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

Definition at line 306 of file bigdecimal.h.

Referenced by BigDecimal_power(), VpAlloc(), and VpDtoV().

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

Definition at line 293 of file bigdecimal.h.

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

Definition at line 286 of file bigdecimal.h.

Referenced by for(), VpPower(), and VpSqrt().

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

Definition at line 305 of file bigdecimal.h.

Referenced by BigDecimal_power(), VpAlloc(), and VpDtoV().

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

Definition at line 292 of file bigdecimal.h.

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

Definition at line 283 of file bigdecimal.h.

Referenced by BigMath_s_exp(), for(), VpAddSub(), VpAsgn(), VpCtoV(), VpDivd(), VpDtoV(), VpFrac(), VpMult(), and VpPower().

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

Definition at line 294 of file bigdecimal.h.

Referenced by AddExponent(), if(), VpAddSub(), VpAlloc(), VpAsgn(), VpCtoV(), VpDivd(), VpDtoV(), VpFrac(), VpIsDefOP(), VpMult(), VpNmlz(), and VpPower().

Function Documentation

static long labs ( long const  x)
inlinestatic

Definition at line 62 of file bigdecimal.h.

Referenced by ossl_bn_initialize().

static LONG_LONG llabs ( LONG_LONG const  x)
inlinestatic

Definition at line 71 of file bigdecimal.h.

static BDIGIT rmpd_base_value ( void  )
inlinestatic

Definition at line 202 of file bigdecimal.h.

References RMPD_BASE.

static size_t rmpd_component_figures ( void  )
inlinestatic

Definition at line 204 of file bigdecimal.h.

References RMPD_COMPONENT_FIGURES.

static size_t rmpd_double_figures ( void  )
inlinestatic

Definition at line 206 of file bigdecimal.h.

References DBL_DIG.

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

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

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

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

Definition at line 4045 of file bigdecimal.c.

References a, b, BASE_FIG, BDIGIT, Real::exponent, Real::frac, i, Min, n, Real::Prec, sw, 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 3844 of file bigdecimal.c.

References BASE_FIG, buf, i, ISDIGIT, ISSPACE, Max, Real::MaxPrec, mx, ne, nf, NULL, rb_str_resize(), rb_str_tmp_new(), RSTRING_PTR, StrCmp, strlen(), SZ_INF, SZ_NaN, SZ_NINF, SZ_PINF, v, 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 4001 of file bigdecimal.c.

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

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

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

Definition at line 4882 of file bigdecimal.c.

References e, Real::exponent, Real::frac, mx, Real::Prec, Real::sign, val, VpGetSign, VpIsDef, VpIsNaN, VpIsZero, and while().

Referenced by BigDecimalCmp().

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

Definition at line 579 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_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 5326 of file bigdecimal.c.

References BASE_FIG, BDIGIT, e, Real::exponent, Real::frac, i, j, Real::MaxPrec, memset(), MUL_OVERFLOW_SIGNED_VALUE_P, ne, Real::Prec, rb_warn(), SIGNED_VALUE, SIGNED_VALUE_MAX, 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 4629 of file bigdecimal.c.

References AddExponent(), BASE, BASE_FIG, BDIGIT, BDIGIT_DBL, Real::exponent, Real::frac, i, if(), Real::MaxPrec, Min, n, Real::Prec, q, 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_divremain(), BigDecimal_DoDivmod(), VpPower(), and VpSqrt().

VP_EXPORT void VpDtoV ( Real *  m,
double  d 
)

Definition at line 5550 of file bigdecimal.c.

References BASE, BDIGIT, d, Real::exponent, Real::frac, i, isinf(), isnan, Real::MaxPrec, memset(), 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 3589 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 5113 of file bigdecimal.c.

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

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

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

Definition at line 6067 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 3367 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 3548 of file bigdecimal.c.

References Zero().

Referenced by VpInit(), and VpVtoD().

VP_EXPORT double VpGetDoubleNegInf ( void  )

Definition at line 3564 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 3572 of file bigdecimal.c.

References One(), and VpGetDoubleNegInf().

Referenced by VpInit(), and VpVtoD().

VP_EXPORT double VpGetDoublePosInf ( void  )

Definition at line 3556 of file bigdecimal.c.

References One(), and Zero().

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

VP_EXPORT size_t VpGetPrecLimit ( void  )

Definition at line 3432 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(), VpSetPrecLimit(), and VpSetPTR().

VP_EXPORT unsigned short VpGetRoundMode ( void  )

Definition at line 3467 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_power(), BigDecimal_round(), BigDecimal_save_rounding_mode(), BigDecimal_sub2(), VpInternalRound(), VpLimitRound(), and VpSetRoundMode().

VP_EXPORT size_t VpInit ( BDIGIT  BaseVal)

Definition at line 3756 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().

VP_EXPORT int VpIsRoundMode ( unsigned short  n)

Definition at line 3483 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 
)

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

VP_EXPORT void* VpMemAlloc ( size_t  mb)

Definition at line 3343 of file bigdecimal.c.

References memset(), p, VP_EXCEPTION_MEMORY, VpException(), and xmalloc.

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

Definition at line 3357 of file bigdecimal.c.

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

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

Referenced by BigDecimal_power().

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

Definition at line 4500 of file bigdecimal.c.

References a, AddExponent(), b, BASE, BASE_FIG, BDIGIT, BDIGIT_DBL, c, Real::exponent, Real::frac, i, Real::MaxPrec, memset(), NULL, Real::Prec, s, 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,
char const *  str,
VALUE  klass 
)

Definition at line 571 of file bigdecimal.c.

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

Referenced by BigDecimal_load(), and BigDecimal_s_allocate().

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

Definition at line 3712 of file bigdecimal.c.

References BASE_FIG, ex, 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 3787 of file bigdecimal.c.

References VpConstOne.

Referenced by BigDecimal_DoDivmod().

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

Definition at line 6115 of file bigdecimal.c.

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

Referenced by BigDecimal_power().

VP_EXPORT size_t VpSetPrecLimit ( size_t  n)

Definition at line 3448 of file bigdecimal.c.

References rmpd_set_thread_local_precision_limit, s, 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().

VP_EXPORT unsigned short VpSetRoundMode ( unsigned short  n)

Definition at line 3501 of file bigdecimal.c.

References n, 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 5682 of file bigdecimal.c.

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

Referenced by BigDecimal_sqrt().

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

Definition at line 5130 of file bigdecimal.c.

References BASE1, BDIGIT_DBL, e, Real::frac, i, m, n, nn, Real::Prec, sprintf(), 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 
)

Referenced by BigDecimal_to_s().

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

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 5486 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().

Variable Documentation

VALUE rb_cBigDecimal

Definition at line 51 of file bigdecimal.c.

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

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