9#ifndef RUBY_BIG_DECIMAL_H
10#define RUBY_BIG_DECIMAL_H 1
12#define RUBY_NO_OLD_COMPATIBILITY
19# define RB_UNUSED_VAR(x) x __attribute__ ((unused))
21# define RB_UNUSED_VAR(x) x
32#undef BDIGIT_DBL_SIGNED
33#undef PRI_BDIGIT_PREFIX
34#undef PRI_BDIGIT_DBL_PREFIX
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 ""
43# define PRI_BDIGIT_DBL_PREFIX PRI_LL_PREFIX
45# define PRI_BDIGIT_DBL_PREFIX "l"
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 ""
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"
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"
70#if defined(__cplusplus)
87static inline LONG_LONG
88llabs(LONG_LONG
const x)
104# ifndef HAVE_ISFINITE
105# define HAVE_ISFINITE 1
106# define isfinite(x) finite(x)
110#ifndef FIX_CONST_VALUE_PTR
111# if defined(__fcc__) || defined(__fcc_version) || \
112 defined(__FCC__) || defined(__FCC_VERSION)
114# define FIX_CONST_VALUE_PTR(x) ((const VALUE *)(x))
116# define FIX_CONST_VALUE_PTR(x) (x)
120#ifndef HAVE_RB_ARRAY_CONST_PTR
121static inline const VALUE *
122rb_array_const_ptr(
VALUE a)
129#ifndef RARRAY_CONST_PTR
130# define RARRAY_CONST_PTR(a) rb_array_const_ptr(a)
134# define RARRAY_AREF(a, i) (RARRAY_CONST_PTR(a)[i])
137#ifndef HAVE_RB_SYM2STR
147# define RB_ST2FIX(h) LONG2FIX((long)(h))
148# define ST2FIX(h) RB_ST2FIX(h)
154#if SIZEOF_VALUE <= SIZEOF_INT
156#elif SIZEOF_VALUE <= SIZEOF_LONG
158#elif SIZEOF_VALUE <= SIZEOF_LONG_LONG
162#if !defined(HAVE_RB_CATEGORY_WARN) || !defined(HAVE_CONST_RB_WARN_CATEGORY_DEPRECATED)
163# define rb_category_warn(category, ...) rb_warn(__VA_ARGS__)
168#if 0 || SIZEOF_BDIGITS >= 16
169# define RMPD_COMPONENT_FIGURES 38
170# define RMPD_BASE ((BDIGIT)100000000000000000000000000000000000000U)
171#elif SIZEOF_BDIGITS >= 8
172# define RMPD_COMPONENT_FIGURES 19
173# define RMPD_BASE ((BDIGIT)10000000000000000000U)
174#elif SIZEOF_BDIGITS >= 4
175# define RMPD_COMPONENT_FIGURES 9
176# define RMPD_BASE ((BDIGIT)1000000000U)
177#elif SIZEOF_BDIGITS >= 2
178# define RMPD_COMPONENT_FIGURES 4
179# define RMPD_BASE ((BDIGIT)10000U)
181# define RMPD_COMPONENT_FIGURES 2
182# define RMPD_BASE ((BDIGIT)100U)
190#define SZ_INF "Infinity"
191#define SZ_PINF "+Infinity"
192#define SZ_NINF "-Infinity"
198#define VP_EXPORT static
201#define VP_EXCEPTION_ALL ((unsigned short)0x00FF)
202#define VP_EXCEPTION_INFINITY ((unsigned short)0x0001)
203#define VP_EXCEPTION_NaN ((unsigned short)0x0002)
204#define VP_EXCEPTION_UNDERFLOW ((unsigned short)0x0004)
205#define VP_EXCEPTION_OVERFLOW ((unsigned short)0x0001)
206#define VP_EXCEPTION_ZERODIVIDE ((unsigned short)0x0010)
209#define VP_EXCEPTION_OP ((unsigned short)0x0020)
210#define VP_EXCEPTION_MEMORY ((unsigned short)0x0040)
212#define RMPD_EXCEPTION_MODE_DEFAULT 0U
215#define VP_ROUND_MODE ((unsigned short)0x0100)
217#define VP_ROUND_DOWN 2
218#define VP_ROUND_HALF_UP 3
219#define VP_ROUND_HALF_DOWN 4
220#define VP_ROUND_CEIL 5
221#define VP_ROUND_FLOOR 6
222#define VP_ROUND_HALF_EVEN 7
224#define RMPD_ROUNDING_MODE_DEFAULT VP_ROUND_HALF_UP
227#define VP_SIGN_POSITIVE_ZERO 1
228#define VP_SIGN_NEGATIVE_ZERO -1
229#define VP_SIGN_POSITIVE_FINITE 2
230#define VP_SIGN_NEGATIVE_FINITE -2
231#define VP_SIGN_POSITIVE_INFINITE 3
232#define VP_SIGN_NEGATIVE_INFINITE -3
234#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
235#define FLEXIBLE_ARRAY_SIZE
236#elif defined(__GNUC__) && !defined(__STRICT_ANSI__)
237#define FLEXIBLE_ARRAY_SIZE 0
239#define FLEXIBLE_ARRAY_SIZE 1
281rmpd_base_value(
void) {
return RMPD_BASE; }
285rmpd_double_figures(
void) {
return 1+
DBL_DIG; }
287#define VpBaseFig() rmpd_component_figures()
288#define VpDblFig() rmpd_double_figures()
289#define VpBaseVal() rmpd_base_value()
308VP_EXPORT int VpIsNegDoubleZero(
double v);
326VP_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);
347#define Abs(a) (((a)>= 0)?(a):(-(a)))
348#define Max(a, b) (((a)>(b))?(a):(b))
349#define Min(a, b) (((a)>(b))?(b):(a))
351#define VpMaxPrec(a) ((a)->MaxPrec)
352#define VpPrec(a) ((a)->Prec)
353#define VpGetFlag(a) ((a)->flag)
358#define VpGetSign(a) (((a)->sign>0)?1:(-1))
360#define VpChangeSign(a,s) {if((s)>0) (a)->sign=(short)Abs((ssize_t)(a)->sign);else (a)->sign=-(short)Abs((ssize_t)(a)->sign);}
362#define VpSetSign(a,s) {if((s)>0) (a)->sign=(short)VP_SIGN_POSITIVE_FINITE;else (a)->sign=(short)VP_SIGN_NEGATIVE_FINITE;}
365#define VpSetOne(a) {(a)->Prec=(a)->exponent=(a)->frac[0]=1;(a)->sign=VP_SIGN_POSITIVE_FINITE;}
368#define VpIsPosZero(a) ((a)->sign==VP_SIGN_POSITIVE_ZERO)
369#define VpIsNegZero(a) ((a)->sign==VP_SIGN_NEGATIVE_ZERO)
370#define VpIsZero(a) (VpIsPosZero(a) || VpIsNegZero(a))
371#define VpSetPosZero(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_ZERO)
372#define VpSetNegZero(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_ZERO)
373#define VpSetZero(a,s) (void)(((s)>0)?VpSetPosZero(a):VpSetNegZero(a))
376#define VpIsNaN(a) ((a)->sign==VP_SIGN_NaN)
377#define VpSetNaN(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NaN)
380#define VpIsPosInf(a) ((a)->sign==VP_SIGN_POSITIVE_INFINITE)
381#define VpIsNegInf(a) ((a)->sign==VP_SIGN_NEGATIVE_INFINITE)
382#define VpIsInf(a) (VpIsPosInf(a) || VpIsNegInf(a))
383#define VpIsDef(a) ( !(VpIsNaN(a)||VpIsInf(a)) )
384#define VpSetPosInf(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_POSITIVE_INFINITE)
385#define VpSetNegInf(a) ((a)->frac[0]=0,(a)->Prec=1,(a)->sign=VP_SIGN_NEGATIVE_INFINITE)
386#define VpSetInf(a,s) (void)(((s)>0)?VpSetPosInf(a):VpSetNegInf(a))
387#define VpHasVal(a) (a->frac[0])
388#define VpIsOne(a) ((a->Prec==1)&&(a->frac[0]==1)&&(a->exponent==1))
389#define VpExponent(a) (a->exponent)
390#ifdef BIGDECIMAL_DEBUG
391int VpVarCheck(
Real * v);
394#if defined(__cplusplus)
VP_EXPORT double VpGetDoubleNegZero(void)
VP_EXPORT size_t VpDivd(Real *c, Real *r, Real *a, Real *b)
VP_EXPORT Real * VpCreateRbObject(size_t mx, const char *str)
VP_EXPORT int VpIsRoundMode(unsigned short n)
VP_EXPORT void VpToString(Real *a, char *psz, size_t fFmt, int fPlus)
VP_EXPORT Real * VpNewRbClass(size_t mx, char const *str, VALUE klass)
VP_EXPORT size_t VpInit(BDIGIT BaseVal)
VP_EXPORT double VpGetDoubleNaN(void)
VP_EXPORT double VpGetDoubleNegInf(void)
VP_EXPORT unsigned short VpGetRoundMode(void)
VP_EXPORT void VpDtoV(Real *m, double d)
VP_EXPORT size_t VpMult(Real *c, Real *a, Real *b)
VP_EXPORT void VpFrac(Real *y, Real *x)
VP_EXPORT ssize_t VpExponent10(Real *a)
VP_EXPORT int VpLeftRound(Real *y, unsigned short f, ssize_t nf)
VP_EXPORT Real * VpOne(void)
VP_EXPORT size_t VpAddSub(Real *c, Real *a, Real *b, int operation)
VP_EXPORT size_t VpGetPrecLimit(void)
VP_EXPORT unsigned short VpSetRoundMode(unsigned short n)
VP_EXPORT size_t VpSetPrecLimit(size_t n)
VP_EXPORT void VpSzMantissa(Real *a, char *psz)
VP_EXPORT size_t VpNumOfChars(Real *vp, const char *pszFmt)
VP_EXPORT int VpSqrt(Real *y, Real *x)
#define FLEXIBLE_ARRAY_SIZE
VP_EXPORT Real * VpAlloc(size_t mx, const char *szVal, int strict_p, int exc)
VP_EXPORT void * VpMemAlloc(size_t mb)
#define FIX_CONST_VALUE_PTR(x)
VP_EXPORT int VpComp(Real *a, Real *b)
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 VpException(unsigned short f, const char *str, int always)
VP_EXPORT void * VpMemRealloc(void *ptr, size_t mb)
VP_EXPORT int VpPower(Real *y, Real *x, SIGNED_VALUE n)
VP_EXPORT int VpVtoD(double *d, SIGNED_VALUE *e, Real *m)
VP_EXPORT void VpToFString(Real *a, char *psz, size_t fFmt, int fPlus)
#define RMPD_COMPONENT_FIGURES
VP_EXPORT size_t VpAsgn(Real *c, Real *a, int isw)
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 void VpFree(Real *pv)
VP_EXPORT int VpToSpecialString(Real *a, char *psz, int fPlus)
VP_EXPORT double VpGetDoublePosInf(void)
char str[HTML_ESCAPE_MAX_LEN+1]
#define RARRAY_EMBED_FLAG