Ruby 2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)

bigdecimal.h
Go to the documentation of this file.
1 /*
2 *
3 * Ruby BigDecimal(Variable decimal precision) extension library.
4 *
5 * Copyright(C) 2002 by Shigeo Kobayashi(shigeo@tinyforest.gr.jp)
6 *
7 */
8
9 #ifndef RUBY_BIG_DECIMAL_H
10 #define RUBY_BIG_DECIMAL_H 1
11
12 #define RUBY_NO_OLD_COMPATIBILITY
13
14 #include "ruby/ruby.h"
15 #include <float.h>
16
17 #ifndef RB_UNUSED_VAR
18 # ifdef __GNUC__
19 # define RB_UNUSED_VAR(x) x __attribute__ ((unused))
20 # else
21 # define RB_UNUSED_VAR(x) x
22 # endif
23 #endif
24
25 #ifndef UNREACHABLE
26 # define UNREACHABLE /* unreachable */
27 #endif
28
29 #undef BDIGIT
30 #undef SIZEOF_BDIGITS
31 #undef BDIGIT_DBL
32 #undef BDIGIT_DBL_SIGNED
33 #undef PRI_BDIGIT_PREFIX
34 #undef PRI_BDIGIT_DBL_PREFIX
35
36 #ifdef HAVE_INT64_T
37 # define BDIGIT uint32_t
38 # define BDIGIT_DBL uint64_t
39 # define BDIGIT_DBL_SIGNED int64_t
40 # define SIZEOF_BDIGITS 4
41 # define PRI_BDIGIT_PREFIX ""
42 # ifdef PRI_LL_PREFIX
43 # define PRI_BDIGIT_DBL_PREFIX PRI_LL_PREFIX
44 # else
45 # define PRI_BDIGIT_DBL_PREFIX "l"
46 # endif
47 #else
48 # define BDIGIT uint16_t
49 # define BDIGIT_DBL uint32_t
50 # define BDIGIT_DBL_SIGNED int32_t
51 # define SIZEOF_BDIGITS 2
52 # define PRI_BDIGIT_PREFIX "h"
53 # define PRI_BDIGIT_DBL_PREFIX ""
54 #endif
55
56 #define PRIdBDIGIT PRI_BDIGIT_PREFIX"d"
57 #define PRIiBDIGIT PRI_BDIGIT_PREFIX"i"
58 #define PRIoBDIGIT PRI_BDIGIT_PREFIX"o"
59 #define PRIuBDIGIT PRI_BDIGIT_PREFIX"u"
60 #define PRIxBDIGIT PRI_BDIGIT_PREFIX"x"
61 #define PRIXBDIGIT PRI_BDIGIT_PREFIX"X"
62
63 #define PRIdBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"d"
64 #define PRIiBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"i"
65 #define PRIoBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"o"
66 #define PRIuBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"u"
67 #define PRIxBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"x"
68 #define PRIXBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"X"
69
70 #if defined(__cplusplus)
71 extern "C" {
72 #if 0
73 } /* satisfy cc-mode */
74 #endif
75 #endif
76
77 #ifndef HAVE_LABS
78 static inline long
79 labs(long const x)
80 {
81 if (x < 0) return -x;
82 return x;
83 }
84 #endif
85
86 #ifndef HAVE_LLABS
87 static inline LONG_LONG
88 llabs(LONG_LONG const x)
89 {
90 if (x < 0) return -x;
91 return x;
92 }
93 #endif
94
95 #ifndef HAVE_FINITE
96 static int
97 finite(double)
98 {
99 return !isnan(n) && !isinf(n);
100 }
101 #endif
102
103 #ifndef isfinite
104 # ifndef HAVE_ISFINITE
105 # define HAVE_ISFINITE 1
106 # define isfinite(x) finite(x)
107 # endif
108 #endif
109
110 #ifndef FIX_CONST_VALUE_PTR
111 # if defined(__fcc__) || defined(__fcc_version) || \
112 defined(__FCC__) || defined(__FCC_VERSION)
113 /* workaround for old version of Fujitsu C Compiler (fcc) */
114 # define FIX_CONST_VALUE_PTR(x) ((const VALUE *)(x))
115 # else
116 # define FIX_CONST_VALUE_PTR(x) (x)
117 # endif
118 #endif
119
120 #ifndef HAVE_RB_ARRAY_CONST_PTR
121 static inline const VALUE *
122 rb_array_const_ptr(VALUE a)
123 {
124 return FIX_CONST_VALUE_PTR((RBASIC(a)->flags & RARRAY_EMBED_FLAG) ?
125 RARRAY(a)->as.ary : RARRAY(a)->as.heap.ptr);
126 }
127 #endif
128
129 #ifndef RARRAY_CONST_PTR
130 # define RARRAY_CONST_PTR(a) rb_array_const_ptr(a)
131 #endif
132
133 #ifndef RARRAY_AREF
134 # define RARRAY_AREF(a, i) (RARRAY_CONST_PTR(a)[i])
135 #endif
136
137 #ifndef HAVE_RB_SYM2STR
138 static inline VALUE
139 rb_sym2str(VALUE sym)
140 {
141 return rb_id2str(SYM2ID(sym));
142 }
143 #endif
144
145 #ifndef ST2FIX
146 # undef RB_ST2FIX
147 # define RB_ST2FIX(h) LONG2FIX((long)(h))
148 # define ST2FIX(h) RB_ST2FIX(h)
149 #endif
150
151 #ifdef vabs
152 # undef vabs
153 #endif
154 #if SIZEOF_VALUE <= SIZEOF_INT
155 # define vabs abs
156 #elif SIZEOF_VALUE <= SIZEOF_LONG
157 # define vabs labs
158 #elif SIZEOF_VALUE <= SIZEOF_LONG_LONG
159 # define vabs llabs
160 #endif
161
162 extern VALUE rb_cBigDecimal;
163
164 #if 0 || SIZEOF_BDIGITS >= 16
165 # define RMPD_COMPONENT_FIGURES 38
166 # define RMPD_BASE ((BDIGIT)100000000000000000000000000000000000000U)
167 #elif SIZEOF_BDIGITS >= 8
168 # define RMPD_COMPONENT_FIGURES 19
169 # define RMPD_BASE ((BDIGIT)10000000000000000000U)
170 #elif SIZEOF_BDIGITS >= 4
171 # define RMPD_COMPONENT_FIGURES 9
172 # define RMPD_BASE ((BDIGIT)1000000000U)
173 #elif SIZEOF_BDIGITS >= 2
174 # define RMPD_COMPONENT_FIGURES 4
175 # define RMPD_BASE ((BDIGIT)10000U)
176 #else
177 # define RMPD_COMPONENT_FIGURES 2
178 # define RMPD_BASE ((BDIGIT)100U)
179 #endif
180
181
182 /*
183 * NaN & Infinity
184 */
185 #define SZ_NaN "NaN"
186 #define SZ_INF "Infinity"
187 #define SZ_PINF "+Infinity"
188 #define SZ_NINF "-Infinity"
189
190 /*
191 * #define VP_EXPORT other than static to let VP_ routines
192 * be called from outside of this module.
193 */
194 #define VP_EXPORT static
195
196 /* Exception codes */
197 #define VP_EXCEPTION_ALL ((unsigned short)0x00FF)
198 #define VP_EXCEPTION_INFINITY ((unsigned short)0x0001)
199 #define VP_EXCEPTION_NaN ((unsigned short)0x0002)
200 #define VP_EXCEPTION_UNDERFLOW ((unsigned short)0x0004)
201 #define VP_EXCEPTION_OVERFLOW ((unsigned short)0x0001) /* 0x0008) */
202 #define VP_EXCEPTION_ZERODIVIDE ((unsigned short)0x0010)
203
204 /* Following 2 exceptions can't controlled by user */
205 #define VP_EXCEPTION_OP ((unsigned short)0x0020)
206 #define VP_EXCEPTION_MEMORY ((unsigned short)0x0040)
207
208 #define RMPD_EXCEPTION_MODE_DEFAULT 0U
209
210 /* Computation mode */
211 #define VP_ROUND_MODE ((unsigned short)0x0100)
212 #define VP_ROUND_UP 1
213 #define VP_ROUND_DOWN 2
214 #define VP_ROUND_HALF_UP 3
215 #define VP_ROUND_HALF_DOWN 4
216 #define VP_ROUND_CEIL 5
217 #define VP_ROUND_FLOOR 6
218 #define VP_ROUND_HALF_EVEN 7
219
220 #define RMPD_ROUNDING_MODE_DEFAULT VP_ROUND_HALF_UP
221
222 #define VP_SIGN_NaN 0 /* NaN */
223 #define VP_SIGN_POSITIVE_ZERO 1 /* Positive zero */
224 #define VP_SIGN_NEGATIVE_ZERO -1 /* Negative zero */
225 #define VP_SIGN_POSITIVE_FINITE 2 /* Positive finite number */
226 #define VP_SIGN_NEGATIVE_FINITE -2 /* Negative finite number */
227 #define VP_SIGN_POSITIVE_INFINITE 3 /* Positive infinite number */
228 #define VP_SIGN_NEGATIVE_INFINITE -3 /* Negative infinite number */
229
230 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
231 #define FLEXIBLE_ARRAY_SIZE /* */
232 #elif defined(__GNUC__) && !defined(__STRICT_ANSI__)
233 #define FLEXIBLE_ARRAY_SIZE 0
234 #else
235 #define FLEXIBLE_ARRAY_SIZE 1
236 #endif
237
238 /*
239 * VP representation
240 * r = 0.xxxxxxxxx *BASE**exponent
241 */
242 typedef struct {
243 VALUE obj; /* Back pointer(VALUE) for Ruby object. */
244 size_t MaxPrec; /* Maximum precision size */
245 /* This is the actual size of frac[] */
246 /*(frac[0] to frac[MaxPrec] are available). */
247 size_t Prec; /* Current precision size. */
248 /* This indicates how much the */
249 /* array frac[] is actually used. */
250 SIGNED_VALUE exponent; /* Exponent part. */
251 short sign; /* Attributes of the value. */
252 /*
253 * ==0 : NaN
254 * 1 : Positive zero
255 * -1 : Negative zero
256 * 2 : Positive number
257 * -2 : Negative number
258 * 3 : Positive infinite number
259 * -3 : Negative infinite number
260 */
261 short flag; /* Not used in vp_routines,space for user. */
262 BDIGIT frac[FLEXIBLE_ARRAY_SIZE]; /* Array of fraction part. */
263 } Real;
264
265 /*
266 * ------------------
267 * EXPORTables.
268 * ------------------
269 */
270
271 VP_EXPORT Real *
272 VpNewRbClass(size_t mx, char const *str, VALUE klass);
273
274 VP_EXPORT Real *VpCreateRbObject(size_t mx,const char *str);
275
276 static inline BDIGIT
277 rmpd_base_value(void) { return RMPD_BASE; }
278 static inline size_t
279 rmpd_component_figures(void) { return RMPD_COMPONENT_FIGURES; }
280 static inline size_t
281 rmpd_double_figures(void) { return 1+DBL_DIG; }
282
283 #define VpBaseFig() rmpd_component_figures()
284 #define VpDblFig() rmpd_double_figures()
285 #define VpBaseVal() rmpd_base_value()
286
287 /* Zero,Inf,NaN (isinf(),isnan() used to check) */
288 VP_EXPORT double VpGetDoubleNaN(void);
289 VP_EXPORT double VpGetDoublePosInf(void);
290 VP_EXPORT double VpGetDoubleNegInf(void);
291 VP_EXPORT double VpGetDoubleNegZero(void);
292
293 /* These 2 functions added at v1.1.7 */
294 VP_EXPORT size_t VpGetPrecLimit(void);
295 VP_EXPORT size_t VpSetPrecLimit(size_t n);
296
297 /* Round mode */
298 VP_EXPORT int VpIsRoundMode(unsigned short n);
299 VP_EXPORT unsigned short VpGetRoundMode(void);
300 VP_EXPORT unsigned short VpSetRoundMode(unsigned short n);
301
302 VP_EXPORT int VpException(unsigned short f,const char *str,int always);
303 #if 0 /* unused */
304 VP_EXPORT int VpIsNegDoubleZero(double v);
305 #endif
306 VP_EXPORT size_t VpNumOfChars(Real *vp,const char *pszFmt);
307 VP_EXPORT size_t VpInit(BDIGIT BaseVal);
308 VP_EXPORT void *VpMemAlloc(size_t mb);
309 VP_EXPORT void *VpMemRealloc(void *ptr, size_t mb);
310 VP_EXPORT void VpFree(Real *pv);
311 VP_EXPORT Real *VpAlloc(size_t mx, const char *szVal, int strict_p, int exc);
312 VP_EXPORT size_t VpAsgn(Real *c, Real *a, int isw);
313 VP_EXPORT size_t VpAddSub(Real *c,Real *a,Real *b,int operation);
314 VP_EXPORT size_t VpMult(Real *c,Real *a,Real *b);
315 VP_EXPORT size_t VpDivd(Real *c,Real *r,Real *a,Real *b);
316 VP_EXPORT int VpComp(Real *a,Real *b);
317 VP_EXPORT ssize_t VpExponent10(Real *a);
318 VP_EXPORT void VpSzMantissa(Real *a,char *psz);
319 VP_EXPORT int VpToSpecialString(Real *a,char *psz,int fPlus);
320 VP_EXPORT void VpToString(Real *a, char *psz, size_t fFmt, int fPlus);
321 VP_EXPORT void VpToFString(Real *a, char *psz, size_t fFmt, int fPlus);
322 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);
323 VP_EXPORT int VpVtoD(double *d, SIGNED_VALUE *e, Real *m);
324 VP_EXPORT void VpDtoV(Real *m,double d);
325 #if 0 /* unused */
326 VP_EXPORT void VpItoV(Real *m,S_INT ival);
327 #endif
328 VP_EXPORT int VpSqrt(Real *y,Real *x);
329 VP_EXPORT int VpActiveRound(Real *y, Real *x, unsigned short f, ssize_t il);
330 VP_EXPORT int VpMidRound(Real *y, unsigned short f, ssize_t nf);
331 VP_EXPORT int VpLeftRound(Real *y, unsigned short f, ssize_t nf);
332 VP_EXPORT void VpFrac(Real *y, Real *x);
333 VP_EXPORT int VpPower(Real *y, Real *x, SIGNED_VALUE n);
334
335 /* VP constants */
336 VP_EXPORT Real *VpOne(void);
337
338 /*
339 * ------------------
340 * MACRO definitions.
341 * ------------------
342 */
343 #define Abs(a) (((a)>= 0)?(a):(-(a)))
344 #define Max(a, b) (((a)>(b))?(a):(b))
345 #define Min(a, b) (((a)>(b))?(b):(a))
346
347 #define VpMaxPrec(a) ((a)->MaxPrec)
348 #define VpPrec(a) ((a)->Prec)
349 #define VpGetFlag(a) ((a)->flag)
350
351 /* Sign */
352
353 /* VpGetSign(a) returns 1,-1 if a>0,a<0 respectively */
354 #define VpGetSign(a) (((a)->sign>0)?1:(-1))
355 /* Change sign of a to a>0,a<0 if s = 1,-1 respectively */
356 #define VpChangeSign(a,s) {if((s)>0) (a)->sign=(short)Abs((ssize_t)(a)->sign);else (a)->sign=-(short)Abs((ssize_t)(a)->sign);}
357 /* Sets sign of a to a>0,a<0 if s = 1,-1 respectively */
358 #define VpSetSign(a,s) {if((s)>0) (a)->sign=(short)VP_SIGN_POSITIVE_FINITE;else (a)->sign=(short)VP_SIGN_NEGATIVE_FINITE;}
359
360 /* 1 */
361 #define VpSetOne(a) {(a)->Prec=(a)->exponent=(a)->frac[0]=1;(a)->sign=VP_SIGN_POSITIVE_FINITE;}
362
363 /* ZEROs */
364 #define VpIsPosZero(a) ((a)->sign==VP_SIGN_POSITIVE_ZERO)
365 #define VpIsNegZero(a) ((a)->sign==VP_SIGN_NEGATIVE_ZERO)
366 #define VpIsZero(a) (VpIsPosZero(a) || VpIsNegZero(a))
367 #define VpSetPosZero(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_ZERO)
368 #define VpSetNegZero(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_ZERO)
369 #define VpSetZero(a,s) (void)(((s)>0)?VpSetPosZero(a):VpSetNegZero(a))
370
371 /* NaN */
372 #define VpIsNaN(a) ((a)->sign==VP_SIGN_NaN)
373 #define VpSetNaN(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NaN)
374
375 /* Infinity */
376 #define VpIsPosInf(a) ((a)->sign==VP_SIGN_POSITIVE_INFINITE)
377 #define VpIsNegInf(a) ((a)->sign==VP_SIGN_NEGATIVE_INFINITE)
378 #define VpIsInf(a) (VpIsPosInf(a) || VpIsNegInf(a))
379 #define VpIsDef(a) ( !(VpIsNaN(a)||VpIsInf(a)) )
380 #define VpSetPosInf(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_INFINITE)
381 #define VpSetNegInf(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_INFINITE)
382 #define VpSetInf(a,s) (void)(((s)>0)?VpSetPosInf(a):VpSetNegInf(a))
383 #define VpHasVal(a) (a->frac[0])
384 #define VpIsOne(a) ((a->Prec==1)&&(a->frac[0]==1)&&(a->exponent==1))
385 #define VpExponent(a) (a->exponent)
386 #ifdef BIGDECIMAL_DEBUG
387 int VpVarCheck(Real * v);
388 #endif /* BIGDECIMAL_DEBUG */
389
390 #if defined(__cplusplus)
391 #if 0
392 { /* satisfy cc-mode */
393 #endif
394 } /* extern "C" { */
395 #endif
396 #endif /* RUBY_BIG_DECIMAL_H */
VpGetPrecLimit
VP_EXPORT size_t VpGetPrecLimit(void)
Definition: bigdecimal.c:3664
VpAsgn
VP_EXPORT size_t VpAsgn(Real *c, Real *a, int isw)
Definition: bigdecimal.c:4344
FIX_CONST_VALUE_PTR
#define FIX_CONST_VALUE_PTR(x)
Definition: ruby.h:2178
VpMemRealloc
VP_EXPORT void * VpMemRealloc(void *ptr, size_t mb)
Definition: bigdecimal.c:3589
DBL_DIG
#define DBL_DIG
Definition: numeric.c:55
VpSzMantissa
VP_EXPORT void VpSzMantissa(Real *a, char *psz)
Definition: bigdecimal.c:5467
VpNumOfChars
VP_EXPORT size_t VpNumOfChars(Real *vp, const char *pszFmt)
Definition: bigdecimal.c:3936
VpException
VP_EXPORT int VpException(unsigned short f, const char *str, int always)
Definition: bigdecimal.c:3809
VpSetRoundMode
VP_EXPORT unsigned short VpSetRoundMode(unsigned short n)
Definition: bigdecimal.c:3733
RMPD_COMPONENT_FIGURES
#define RMPD_COMPONENT_FIGURES
Definition: bigdecimal.h:174
LONG_LONG
#define LONG_LONG
Definition: rb_mjit_min_header-2.7.0.h:3939
VpDivd
VP_EXPORT size_t VpDivd(Real *c, Real *r, Real *a, Real *b)
Definition: bigdecimal.c:4972
ne
#define ne(x, y)
Definition: time.c:82
VALUE
unsigned long VALUE
Definition: ruby.h:102
VpMemAlloc
VP_EXPORT void * VpMemAlloc(size_t mb)
Definition: bigdecimal.c:3575
VpToFString
VP_EXPORT void VpToFString(Real *a, char *psz, size_t fFmt, int fPlus)
Definition: bigdecimal.c:5597
SIGNED_VALUE
#define SIGNED_VALUE
Definition: ruby.h:104
VpVtoD
VP_EXPORT int VpVtoD(double *d, SIGNED_VALUE *e, Real *m)
Definition: bigdecimal.c:5823
ptr
struct RIMemo * ptr
Definition: debug.c:74
ssize_t
_ssize_t ssize_t
Definition: rb_mjit_min_header-2.7.0.h:1329
rb_id2str
#define rb_id2str(id)
Definition: vm_backtrace.c:30
ruby.h
VpFree
VP_EXPORT void VpFree(Real *pv)
Definition: bigdecimal.c:3599
v
int VALUE v
Definition: rb_mjit_min_header-2.7.0.h:12332
VpGetDoubleNegZero
VP_EXPORT double VpGetDoubleNegZero(void)
Definition: bigdecimal.c:3792
VP_EXPORT
#define VP_EXPORT
Definition: bigdecimal.h:194
VpSetPrecLimit
VP_EXPORT size_t VpSetPrecLimit(size_t n)
Definition: bigdecimal.c:3680
VpAlloc
VP_EXPORT Real * VpAlloc(size_t mx, const char *szVal, int strict_p, int exc)
Definition: bigdecimal.c:4111
VpIsRoundMode
VP_EXPORT int VpIsRoundMode(unsigned short n)
Definition: bigdecimal.c:3715
VpGetDoubleNegInf
VP_EXPORT double VpGetDoubleNegInf(void)
Definition: bigdecimal.c:3786
Real
Definition: bigdecimal.h:242
Real::MaxPrec
size_t MaxPrec
Definition: bigdecimal.h:244
sym
#define sym(x)
Definition: date_core.c:3716
Real::Prec
size_t Prec
Definition: bigdecimal.h:247
labs
long labs(long)
VpComp
VP_EXPORT int VpComp(Real *a, Real *b)
Definition: bigdecimal.c:5225
VpToSpecialString
VP_EXPORT int VpToSpecialString(Real *a, char *psz, int fPlus)
Definition: bigdecimal.c:5514
VpSqrt
VP_EXPORT int VpSqrt(Real *y, Real *x)
Definition: bigdecimal.c:6019
RMPD_BASE
#define RMPD_BASE
Definition: bigdecimal.h:175
isnan
#define isnan(x)
Definition: win32.h:369
RARRAY_EMBED_FLAG
@ RARRAY_EMBED_FLAG
Definition: ruby.h:1029
VpPower
VP_EXPORT int VpPower(Real *y, Real *x, SIGNED_VALUE n)
Definition: bigdecimal.c:6448
rb_cBigDecimal
VALUE rb_cBigDecimal
Definition: bigdecimal.c:45
VpOne
VP_EXPORT Real * VpOne(void)
Definition: bigdecimal.c:4008
VpToString
VP_EXPORT void VpToString(Real *a, char *psz, size_t fFmt, int fPlus)
Definition: bigdecimal.c:5549
isinf
#define isinf(__x)
Definition: rb_mjit_min_header-2.7.0.h:3673
VpDtoV
VP_EXPORT void VpDtoV(Real *m, double d)
Definition: bigdecimal.c:5887
VpNewRbClass
VP_EXPORT Real * VpNewRbClass(size_t mx, char const *str, VALUE klass)
Definition: bigdecimal.c:644
VpInit
VP_EXPORT size_t VpInit(BDIGIT BaseVal)
Definition: bigdecimal.c:3980
VpAddSub
VP_EXPORT size_t VpAddSub(Real *c, Real *a, Real *b, int operation)
Definition: bigdecimal.c:4388
llabs
long long llabs(long long)
VpExponent10
VP_EXPORT ssize_t VpExponent10(Real *a)
Definition: bigdecimal.c:5450
n
const char size_t n
Definition: rb_mjit_min_header-2.7.0.h:5456
f
#define f
VpFrac
VP_EXPORT void VpFrac(Real *y, Real *x)
Definition: bigdecimal.c:6400
klass
VALUE klass
Definition: rb_mjit_min_header-2.7.0.h:13254
RARRAY
#define RARRAY(obj)
Definition: ruby.h:1273
VpMidRound
VP_EXPORT int VpMidRound(Real *y, unsigned short f, ssize_t nf)
Definition: bigdecimal.c:6128
BDIGIT
#define BDIGIT
Definition: bigdecimal.h:48
str
char str[HTML_ESCAPE_MAX_LEN+1]
Definition: escape.c:18
Real::sign
short sign
Definition: bigdecimal.h:251
VpLeftRound
VP_EXPORT int VpLeftRound(Real *y, unsigned short f, ssize_t nf)
Definition: bigdecimal.c:6290
VpGetDoubleNaN
VP_EXPORT double VpGetDoubleNaN(void)
Definition: bigdecimal.c:3774
VpActiveRound
VP_EXPORT int VpActiveRound(Real *y, Real *x, unsigned short f, ssize_t il)
Definition: bigdecimal.c:6305
RBASIC
#define RBASIC(obj)
Definition: ruby.h:1267
VpCreateRbObject
VP_EXPORT Real * VpCreateRbObject(size_t mx, const char *str)
Definition: bigdecimal.c:655
VpCtoV
VP_EXPORT int VpCtoV(Real *a, const char *int_chr, size_t ni, const char *frac, size_t nf, const char *exp_chr, size_t ne)
Definition: bigdecimal.c:5663
Real::obj
VALUE obj
Definition: bigdecimal.h:243
VpGetDoublePosInf
VP_EXPORT double VpGetDoublePosInf(void)
Definition: bigdecimal.c:3780
exc
const rb_iseq_t const VALUE exc
Definition: rb_mjit_min_header-2.7.0.h:13504
Real::exponent
SIGNED_VALUE exponent
Definition: bigdecimal.h:250
VpGetRoundMode
VP_EXPORT unsigned short VpGetRoundMode(void)
Definition: bigdecimal.c:3699
SYM2ID
#define SYM2ID(x)
Definition: ruby.h:415
FLEXIBLE_ARRAY_SIZE
#define FLEXIBLE_ARRAY_SIZE
Definition: bigdecimal.h:235
VpMult
VP_EXPORT size_t VpMult(Real *c, Real *a, Real *b)
Definition: bigdecimal.c:4843
Real::flag
short flag
Definition: bigdecimal.h:261