ext/bigdecimal/bigdecimal.h File Reference

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

Go to the source code of this file.

Data Structures

struct  Real

Defines

#define RUBY_BIG_DECIMAL_H   1
#define RB_UNUSED_VAR(x)   x
#define UNREACHABLE
#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)
#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
#define VP_SIGN_POSITIVE_ZERO   1
#define VP_SIGN_NEGATIVE_ZERO   -1
#define VP_SIGN_POSITIVE_FINITE   2
#define VP_SIGN_NEGATIVE_FINITE   -2
#define VP_SIGN_POSITIVE_INFINITE   3
#define VP_SIGN_NEGATIVE_INFINITE   -3
#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

Define Documentation

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

Definition at line 261 of file bigdecimal.h.

#define BDIGIT   uint16_t

Definition at line 40 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_div(), 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(), 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(), shortlen(), str2big_karatsuba(), str2big_normal(), str2big_poweroftwo(), VpAddAbs(), VpAddSub(), VpAsgn(), VpCopy(), VpCtoV(), VpDivd(), VpDtoV(), VpLeftRound(), VpMidRound(), VpMult(), VpNmlz(), VpRdup(), VpSubAbs(), VpToFString(), VpToString(), and w_object().

#define BDIGIT_DBL   uint32_t

Definition at line 41 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(), BigDecimal_div(), bigdivrem(), bigdivrem_mulsub(), bigdivrem_single1(), 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 42 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 153 of file bigdecimal.h.

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

Definition at line 262 of file bigdecimal.h.

Referenced by VpAlloc(), and VpSetPTR().

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

Definition at line 263 of file bigdecimal.h.

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

#define RB_UNUSED_VAR ( x   )     x

Definition at line 19 of file bigdecimal.h.

#define RMPD_BASE   ((BDIGIT)10000U)

Definition at line 95 of file bigdecimal.h.

Referenced by rmpd_base_value().

#define RMPD_COMPONENT_FIGURES   4

Definition at line 94 of file bigdecimal.h.

Referenced by rmpd_component_figures().

#define RMPD_EXCEPTION_MODE_DEFAULT   0U

Definition at line 128 of file bigdecimal.h.

Referenced by VpGetException().

#define RMPD_ROUNDING_MODE_DEFAULT   VP_ROUND_HALF_UP

Definition at line 140 of file bigdecimal.h.

Referenced by VpGetRoundMode().

#define RUBY_BIG_DECIMAL_H   1

Definition at line 10 of file bigdecimal.h.

#define SIZEOF_BDIGITS   2

Definition at line 43 of file bigdecimal.h.

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

#define SZ_INF   "Infinity"

Definition at line 106 of file bigdecimal.h.

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

#define SZ_NaN   "NaN"

Definition at line 105 of file bigdecimal.h.

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

#define SZ_NINF   "-Infinity"

Definition at line 108 of file bigdecimal.h.

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

#define SZ_PINF   "+Infinity"

Definition at line 107 of file bigdecimal.h.

Referenced by VpAlloc().

#define UNREACHABLE

Definition at line 24 of file bigdecimal.h.

Referenced by BigDecimalCmp(), create_dummy_encoding_for_tk_core(), dln_load(), first_i(), generic_to_value(), ip_cancel_eval_core(), lib_get_reltype_name(), location_absolute_path(), location_base_label(), location_label(), location_lineno(), location_path(), name_to_backref_number(), num_init_copy(), num_sadded(), ossl_pkey_new(), ossl_ssl_session_reused(), pending_exception_check0(), pending_exception_check1(), proc_exec_cmd(), proc_exec_sh(), pty_check(), rb_digest_instance_block_length(), rb_digest_instance_finish(), rb_digest_instance_reset(), rb_digest_instance_update(), rb_dlhandle_close(), rb_f_abort(), rb_f_exit(), rb_f_exit_bang(), rb_f_notimplement(), rb_f_raise(), rb_f_throw(), rb_fiddle_handle_close(), rb_Float(), rb_io_set_sync(), rb_method_entry_min_max_arity(), rb_method_missing(), rb_mod_const_missing(), rb_mod_remove_cvar(), rb_obj_remove_instance_variable(), rb_remove_history(), rb_str_aref(), rb_str_scrub(), rb_struct_aref_id(), rb_struct_aset_id(), rb_struct_getmember(), rb_struct_set(), rb_uv_to_utf8(), ripper_token2eventid(), rsock_io_socket_addrinfo(), sock_s_getnameinfo(), sockopt_ipv4_multicast_loop(), sockopt_ipv4_multicast_ttl(), str_byte_aref(), strio_unimpl(), tk_hash_kv(), and undumpable().

#define vabs   abs

Definition at line 75 of file bigdecimal.h.

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

#define VP_EXCEPTION_ALL   ((unsigned short)0x00FF)

Definition at line 117 of file bigdecimal.h.

Referenced by BigDecimal_mode(), and Init_bigdecimal().

#define VP_EXCEPTION_INFINITY   ((unsigned short)0x0001)

Definition at line 118 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 126 of file bigdecimal.h.

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

#define VP_EXCEPTION_NaN   ((unsigned short)0x0002)

Definition at line 119 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 125 of file bigdecimal.h.

Referenced by VpException(), and VpSqrt().

#define VP_EXCEPTION_OVERFLOW   ((unsigned short)0x0001)

Definition at line 121 of file bigdecimal.h.

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

#define VP_EXCEPTION_UNDERFLOW   ((unsigned short)0x0004)

Definition at line 120 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 122 of file bigdecimal.h.

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

#define VP_EXPORT   static

Definition at line 114 of file bigdecimal.h.

#define VP_ROUND_CEIL   5

Definition at line 136 of file bigdecimal.h.

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

#define VP_ROUND_DOWN   2

Definition at line 133 of file bigdecimal.h.

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

#define VP_ROUND_FLOOR   6

Definition at line 137 of file bigdecimal.h.

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

#define VP_ROUND_HALF_DOWN   4

Definition at line 135 of file bigdecimal.h.

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

#define VP_ROUND_HALF_EVEN   7

Definition at line 138 of file bigdecimal.h.

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

#define VP_ROUND_HALF_UP   3

Definition at line 134 of file bigdecimal.h.

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

#define VP_ROUND_MODE   ((unsigned short)0x0100)

Definition at line 131 of file bigdecimal.h.

Referenced by BigDecimal_mode(), and Init_bigdecimal().

#define VP_ROUND_UP   1

Definition at line 132 of file bigdecimal.h.

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

#define VP_SIGN_NaN   0

Definition at line 142 of file bigdecimal.h.

Referenced by Init_bigdecimal().

#define VP_SIGN_NEGATIVE_FINITE   -2

Definition at line 146 of file bigdecimal.h.

Referenced by Init_bigdecimal().

#define VP_SIGN_NEGATIVE_INFINITE   -3

Definition at line 148 of file bigdecimal.h.

Referenced by Init_bigdecimal().

#define VP_SIGN_NEGATIVE_ZERO   -1

Definition at line 144 of file bigdecimal.h.

Referenced by Init_bigdecimal().

#define VP_SIGN_POSITIVE_FINITE   2

Definition at line 145 of file bigdecimal.h.

Referenced by Init_bigdecimal().

#define VP_SIGN_POSITIVE_INFINITE   3

Definition at line 147 of file bigdecimal.h.

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

#define VP_SIGN_POSITIVE_ZERO   1

Definition at line 143 of file bigdecimal.h.

Referenced by Init_bigdecimal().

 
#define VpBaseFig (  )     rmpd_component_figures()

Definition at line 201 of file bigdecimal.h.

Referenced by BigDecimal_abs(), BigDecimal_add(), BigDecimal_ceil(), BigDecimal_coerce(), BigDecimal_div2(), BigDecimal_divide(), 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(), and GetVpValueWithPrec().

 
#define VpBaseVal (  )     rmpd_base_value()

Definition at line 203 of file bigdecimal.h.

Referenced by BigDecimal_div(), 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 274 of file bigdecimal.h.

Referenced by BigDecimal_abs(), and VpSqrt().

 
#define VpDblFig (  )     rmpd_double_figures()

Definition at line 202 of file bigdecimal.h.

Referenced by BigDecimal_double_fig(), and BigDecimal_sqrt().

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

Definition at line 303 of file bigdecimal.h.

Referenced by VpLeftRound().

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

Definition at line 267 of file bigdecimal.h.

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

Definition at line 272 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(), VpAddSub(), VpAsgn(), VpComp(), VpDivd(), VpFrac(), VpInternalRound(), VpIsDefOP(), VpMidRound(), VpMult(), VpNmlz(), VpPower(), VpSqrt(), VpSzMantissa(), VpToFString(), VpToString(), and VpVtoD().

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

Definition at line 301 of file bigdecimal.h.

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

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

Definition at line 297 of file bigdecimal.h.

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

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

Definition at line 296 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 290 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(), VpToSpecialString(), and VpVtoD().

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

Definition at line 295 of file bigdecimal.h.

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

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

Definition at line 283 of file bigdecimal.h.

Referenced by VpVtoD().

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

Definition at line 302 of file bigdecimal.h.

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

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

Definition at line 294 of file bigdecimal.h.

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

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

Definition at line 282 of file bigdecimal.h.

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

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

Definition at line 284 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(), VpSzMantissa(), and VpToSpecialString().

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

Definition at line 265 of file bigdecimal.h.

Referenced by BigDecimal_dump(), and BigDecimal_inspect().

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

Definition at line 266 of file bigdecimal.h.

Referenced by BigDecimal_inspect().

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

Definition at line 300 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 291 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 299 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 286 of file bigdecimal.h.

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

Definition at line 279 of file bigdecimal.h.

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

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

Definition at line 298 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 285 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 276 of file bigdecimal.h.

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

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

Definition at line 287 of file bigdecimal.h.

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

Function Documentation

static long labs ( long const   x  )  [inline, static]

Definition at line 55 of file bigdecimal.h.

Referenced by ossl_bn_initialize().

static LONG_LONG llabs ( LONG_LONG const   x  )  [inline, static]

Definition at line 64 of file bigdecimal.h.

static BDIGIT rmpd_base_value ( void   )  [inline, static]

Definition at line 195 of file bigdecimal.h.

References RMPD_BASE.

static size_t rmpd_component_figures ( void   )  [inline, static]

Definition at line 197 of file bigdecimal.h.

References RMPD_COMPONENT_FIGURES.

static size_t rmpd_double_figures ( void   )  [inline, static]

Definition at line 199 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 
)

Definition at line 5965 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().

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

Definition at line 4038 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 3837 of file bigdecimal.c.

References BASE_FIG, buf, ISDIGIT, ISSPACE, Max, Real::MaxPrec, ne, NULL, rb_str_resize(), rb_str_tmp_new(), RSTRING_PTR, StrCmp, strlen(), SZ_INF, SZ_NaN, SZ_NINF, SZ_PINF, 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 3994 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 4875 of file bigdecimal.c.

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

Referenced by BigDecimalCmp().

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

Definition at line 572 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 5319 of file bigdecimal.c.

References BASE_FIG, BDIGIT, Real::exponent, Real::frac, Real::MaxPrec, MUL_OVERFLOW_SIGNED_VALUE_P, 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 4622 of file bigdecimal.c.

References AddExponent(), BASE, BASE_FIG, BDIGIT, BDIGIT_DBL, Real::exponent, Real::frac, if(), 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 5543 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 3582 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 5106 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().

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

Definition at line 6060 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 3360 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 3541 of file bigdecimal.c.

References Zero().

Referenced by VpInit(), and VpVtoD().

VP_EXPORT double VpGetDoubleNegInf ( void   ) 

Definition at line 3557 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 3565 of file bigdecimal.c.

References One(), and VpGetDoubleNegInf().

Referenced by VpInit(), and VpVtoD().

VP_EXPORT double VpGetDoublePosInf ( void   ) 

Definition at line 3549 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 3425 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 3460 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 3749 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 3476 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 5950 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().

VP_EXPORT void* VpMemAlloc ( size_t  mb  ) 

Definition at line 3336 of file bigdecimal.c.

References VP_EXCEPTION_MEMORY, VpException(), and xmalloc.

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

Definition at line 3350 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 5783 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 BigDecimal_power(), VpActiveRound(), and VpLeftRound().

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

Definition at line 4493 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,
char const *  str,
VALUE  klass 
)

Definition at line 564 of file bigdecimal.c.

References BigDecimal_data_type, 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 3705 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 3780 of file bigdecimal.c.

Referenced by BigDecimal_DoDivmod().

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

Definition at line 6108 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().

VP_EXPORT size_t VpSetPrecLimit ( size_t  n  ) 

Definition at line 3441 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().

VP_EXPORT unsigned short VpSetRoundMode ( unsigned short  n  ) 

Definition at line 3494 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 5675 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().

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

Definition at line 5123 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 5253 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 5170 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 5205 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 5479 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 44 of file bigdecimal.c.

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

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