зеркало из https://github.com/github/ruby.git
* ext/bigdecimal: fixed types.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27523 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu
Родитель
92e2b86c3d
Коммит
382085b75b
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@ -83,7 +83,7 @@ BigDecimal_version(VALUE self)
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*/
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static unsigned short VpGetException(void);
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static void VpSetException(unsigned short f);
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static void VpInternalRound(Real *c,int ixDigit,U_LONG vPrev,U_LONG v);
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static void VpInternalRound(Real *c,U_LONG ixDigit,U_LONG vPrev,U_LONG v);
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static int VpLimitRound(Real *c,U_LONG ixDigit);
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/*
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@ -483,7 +483,7 @@ static VALUE
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BigDecimal_to_i(VALUE self)
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{
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ENTER(5);
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int e,nf;
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S_LONG e,nf;
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Real *p;
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GUARD_OBJ(p,GetVpValue(self,1));
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@ -500,7 +500,7 @@ BigDecimal_to_i(VALUE self)
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VALUE a = BigDecimal_split(self);
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VALUE digits = RARRAY_PTR(a)[1];
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VALUE numerator = rb_funcall(digits, rb_intern("to_i"), 0);
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int dpower = e - RSTRING_LEN(digits);
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S_LONG dpower = e - RSTRING_LEN(digits);
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if (VpGetSign(p) < 0) {
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numerator = rb_funcall(numerator, '*', 1, INT2FIX(-1));
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@ -915,7 +915,7 @@ BigDecimal_div(VALUE self, VALUE r)
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*/
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/* Round */
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if(VpHasVal(div)) { /* frac[0] must be zero for NaN,INF,Zero */
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VpInternalRound(c,0,c->frac[c->Prec-1],(VpBaseVal()*res->frac[0])/div->frac[0]);
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VpInternalRound(c,0,c->frac[c->Prec-1],(VpBaseVal()*res->frac[0])/div->frac[0]);
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}
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return ToValue(c);
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}
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@ -1111,7 +1111,7 @@ BigDecimal_div2(int argc, VALUE *argv, VALUE self)
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}
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return DoSomeOne(self,b,rb_intern("div"));
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} else { /* div in BigDecimal sense */
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U_LONG ix = (U_LONG)GetPositiveInt(n);
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S_INT ix = GetPositiveInt(n);
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if(ix==0) return BigDecimal_div(self,b);
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else {
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Real *res=NULL;
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@ -1127,7 +1127,7 @@ BigDecimal_div2(int argc, VALUE *argv, VALUE self)
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GUARD_OBJ(res,VpCreateRbObject((mx * 2 + 2)*VpBaseFig(), "#0"));
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VpDivd(cv,res,av,bv);
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VpSetPrecLimit(pl);
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VpLeftRound(cv,VpGetRoundMode(),ix);
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VpLeftRound(cv,(int)VpGetRoundMode(),ix);
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return ToValue(cv);
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}
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}
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@ -1138,14 +1138,14 @@ BigDecimal_add2(VALUE self, VALUE b, VALUE n)
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{
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ENTER(2);
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Real *cv;
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U_LONG mx = (U_LONG)GetPositiveInt(n);
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S_INT mx = GetPositiveInt(n);
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if(mx==0) return BigDecimal_add(self,b);
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else {
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U_LONG pl = VpSetPrecLimit(0);
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VALUE c = BigDecimal_add(self,b);
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VpSetPrecLimit(pl);
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GUARD_OBJ(cv,GetVpValue(c,1));
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VpLeftRound(cv,VpGetRoundMode(),mx);
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VpLeftRound(cv,(int)VpGetRoundMode(),mx);
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return ToValue(cv);
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}
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}
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@ -1155,14 +1155,14 @@ BigDecimal_sub2(VALUE self, VALUE b, VALUE n)
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{
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ENTER(2);
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Real *cv;
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U_LONG mx = (U_LONG)GetPositiveInt(n);
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S_INT mx = GetPositiveInt(n);
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if(mx==0) return BigDecimal_sub(self,b);
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else {
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U_LONG pl = VpSetPrecLimit(0);
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VALUE c = BigDecimal_sub(self,b);
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VpSetPrecLimit(pl);
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GUARD_OBJ(cv,GetVpValue(c,1));
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VpLeftRound(cv,VpGetRoundMode(),mx);
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VpLeftRound(cv,(int)VpGetRoundMode(),mx);
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return ToValue(cv);
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}
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}
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@ -1172,14 +1172,14 @@ BigDecimal_mult2(VALUE self, VALUE b, VALUE n)
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{
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ENTER(2);
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Real *cv;
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U_LONG mx = (U_LONG)GetPositiveInt(n);
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S_INT mx = GetPositiveInt(n);
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if(mx==0) return BigDecimal_mult(self,b);
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else {
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U_LONG pl = VpSetPrecLimit(0);
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VALUE c = BigDecimal_mult(self,b);
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VpSetPrecLimit(pl);
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GUARD_OBJ(cv,GetVpValue(c,1));
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VpLeftRound(cv,VpGetRoundMode(),mx);
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VpLeftRound(cv,(int)VpGetRoundMode(),mx);
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return ToValue(cv);
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}
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}
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@ -1217,7 +1217,7 @@ BigDecimal_sqrt(VALUE self, VALUE nFig)
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{
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ENTER(5);
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Real *c, *a;
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S_INT mx, n;
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U_LONG mx, n;
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GUARD_OBJ(a,GetVpValue(self,1));
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mx = a->Prec *(VpBaseFig() + 1);
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@ -1278,7 +1278,7 @@ BigDecimal_round(int argc, VALUE *argv, VALUE self)
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VALUE vRound;
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U_LONG pl;
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int sw = VpGetRoundMode();
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int sw = (int)VpGetRoundMode();
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int na = rb_scan_args(argc,argv,"02",&vLoc,&vRound);
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switch(na) {
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@ -1596,7 +1596,7 @@ BigDecimal_split(VALUE self)
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VpSzMantissa(vp,psz1);
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s = 1;
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if(psz1[0]=='-') {
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int len = strlen(psz1+1);
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size_t len = strlen(psz1+1);
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memmove(psz1, psz1+1, len);
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psz1[len] = '\0';
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@ -1641,7 +1641,7 @@ BigDecimal_inspect(VALUE self)
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ENTER(5);
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Real *vp;
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volatile VALUE obj;
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unsigned int nc;
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U_LONG nc;
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char *psz, *tmp;
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GUARD_OBJ(vp,GetVpValue(self,1));
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@ -1671,7 +1671,8 @@ BigDecimal_power(VALUE self, VALUE p)
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{
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ENTER(5);
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Real *x, *y;
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S_LONG mp, ma, n;
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S_LONG mp, ma;
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S_INT n;
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Check_Type(p, T_FIXNUM);
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n = FIX2INT(p);
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@ -2734,7 +2735,7 @@ VpAlloc(U_LONG mx, const char *szVal)
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* [Output]
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* c ... LHSV
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*/
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VP_EXPORT int
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VP_EXPORT U_LONG
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VpAsgn(Real *c, Real *a, int isw)
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{
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U_LONG n;
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@ -2758,9 +2759,9 @@ VpAsgn(Real *c, Real *a, int isw)
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if(isw!=10) {
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/* Not in ActiveRound */
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if(c->Prec < a->Prec) {
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VpInternalRound(c,n,(n>0)?a->frac[n-1]:0,a->frac[n]);
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VpInternalRound(c,n,(n>0)?a->frac[n-1]:0,a->frac[n]);
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} else {
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VpLimitRound(c,0);
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VpLimitRound(c,0);
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}
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}
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} else {
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@ -2776,7 +2777,7 @@ VpAsgn(Real *c, Real *a, int isw)
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* = a - b when operation = -1 or -2.
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* Returns number of significant digits of c
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*/
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VP_EXPORT int
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VP_EXPORT U_LONG
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VpAddSub(Real *c, Real *a, Real *b, int operation)
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{
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S_INT sw, isw;
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@ -3186,7 +3187,7 @@ VpSetPTR(Real *a, Real *b, Real *c, U_LONG *a_pos, U_LONG *b_pos, U_LONG *c_pos,
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}
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c->Prec = *c_pos;
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c->exponent = a->exponent;
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if(!AddExponent(c,(S_LONG)1)) return (-1L);
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if(!AddExponent(c,1)) return (U_LONG)-1L;
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return word_shift;
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}
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@ -3205,7 +3206,7 @@ VpSetPTR(Real *a, Real *b, Real *c, U_LONG *a_pos, U_LONG *b_pos, U_LONG *c_pos,
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* nc <---|
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* MaxAB |--------------------|
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*/
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VP_EXPORT int
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VP_EXPORT U_LONG
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VpMult(Real *c, Real *a, Real *b)
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{
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U_LONG MxIndA, MxIndB, MxIndAB, MxIndC;
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@ -3332,7 +3333,7 @@ Exit:
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/*
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* c = a / b, remainder = r
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*/
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VP_EXPORT int
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VP_EXPORT U_LONG
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VpDivd(Real *c, Real *r, Real *a, Real *b)
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{
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U_LONG word_a, word_b, word_c, word_r;
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@ -3504,14 +3505,14 @@ carry:
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out_side:
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c->Prec = word_c;
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c->exponent = a->exponent;
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if(!AddExponent(c,(S_LONG)2)) return 0;
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if(!AddExponent(c,2)) return 0;
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if(!AddExponent(c,-(b->exponent))) return 0;
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VpSetSign(c,VpGetSign(a)*VpGetSign(b));
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VpNmlz(c); /* normalize c */
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r->Prec = word_r;
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r->exponent = a->exponent;
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if(!AddExponent(r,(S_LONG)1)) return 0;
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if(!AddExponent(r,1)) return 0;
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VpSetSign(r,VpGetSign(a));
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VpNmlz(r); /* normalize r(remainder) */
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goto Exit;
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@ -4009,7 +4010,7 @@ VpCtoV(Real *a, const char *int_chr, U_LONG ni, const char *frac, U_LONG nf, con
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{
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U_LONG i, j, ind_a, ma, mi, me;
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U_LONG loc;
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S_INT e,es, eb, ef;
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S_LONG e,es, eb, ef;
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S_INT sign, signe, exponent_overflow;
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/* get exponent part */
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e = 0;
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@ -4132,7 +4133,7 @@ Final:
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++j;
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}
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a->Prec = ind_a + 1;
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a->exponent = eb;
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a->exponent = (S_INT)eb;
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VpSetSign(a,sign);
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VpNmlz(a);
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return 1;
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@ -4221,7 +4222,7 @@ VP_EXPORT void
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VpDtoV(Real *m, double d)
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{
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U_LONG i, ind_m, mm;
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U_LONG ne;
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S_INT ne;
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double val, val2;
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if(isnan(d)) {
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@ -4407,7 +4408,7 @@ VpSqrt(Real *y, Real *x)
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n =(e + 1) / 2;
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}
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VpDtoV(y, sqrt(val)); /* y <- sqrt(val) */
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y->exponent += n;
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y->exponent += (S_INT)n;
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n = (DBLE_FIG + BASE_FIG - 1) / BASE_FIG;
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y->MaxPrec = (U_LONG)Min(n , y_prec);
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f->MaxPrec = y->MaxPrec + 1;
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@ -4460,7 +4461,7 @@ Exit:
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*
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*/
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VP_EXPORT int
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VpMidRound(Real *y, int f, int nf)
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VpMidRound(Real *y, int f, S_LONG nf)
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/*
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* Round reletively from the decimal point.
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* f: rounding mode
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@ -4469,7 +4470,8 @@ VpMidRound(Real *y, int f, int nf)
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{
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/* fracf: any positive digit under rounding position? */
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/* exptoadd: number of digits needed to compensate negative nf */
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int n,i,ix,ioffset,fracf,exptoadd;
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int fracf;
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S_LONG n,i,ix,ioffset,exptoadd;
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U_LONG v,shifter;
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U_LONG div;
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@ -4554,7 +4556,7 @@ VpMidRound(Real *y, int f, int nf)
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VpNmlz(y);
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}
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if (exptoadd > 0) {
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y->exponent += exptoadd/BASE_FIG;
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y->exponent += (S_INT)(exptoadd/BASE_FIG);
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exptoadd %= BASE_FIG;
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for(i=0;i<exptoadd;i++) {
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y->frac[0] *= 10;
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@ -4568,7 +4570,7 @@ VpMidRound(Real *y, int f, int nf)
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}
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VP_EXPORT int
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VpLeftRound(Real *y, int f, int nf)
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VpLeftRound(Real *y, int f, S_LONG nf)
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/*
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* Round from the left hand side of the digits.
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*/
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@ -4583,7 +4585,7 @@ VpLeftRound(Real *y, int f, int nf)
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}
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VP_EXPORT int
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VpActiveRound(Real *y, Real *x, int f, int nf)
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VpActiveRound(Real *y, Real *x, int f, S_LONG nf)
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{
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/* First,assign whole value in truncation mode */
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if(VpAsgn(y, x, 10)<=1) return 0; /* Zero,NaN,or Infinity */
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@ -4598,11 +4600,11 @@ VpLimitRound(Real *c,U_LONG ixDigit)
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if(!ix) return 0;
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if(!ixDigit) ixDigit = c->Prec-1;
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if((ix+BASE_FIG-1)/BASE_FIG > ixDigit+1) return 0;
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return VpLeftRound(c,VpGetRoundMode(),ix);
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return VpLeftRound(c,(int)VpGetRoundMode(),(S_LONG)ix);
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}
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|
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static void
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VpInternalRound(Real *c,int ixDigit,U_LONG vPrev,U_LONG v)
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VpInternalRound(Real *c,U_LONG ixDigit,U_LONG vPrev,U_LONG v)
|
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{
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int f = 0;
|
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|
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|
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@ -4656,7 +4658,7 @@ VpRdup(Real *m,U_LONG ind_m)
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else carry = 0;
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}
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if(carry > 0) { /* Overflow,count exponent and set fraction part be 1 */
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if(!AddExponent(m,(S_LONG)1)) return 0;
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if(!AddExponent(m,1)) return 0;
|
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m->Prec = m->frac[0] = 1;
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} else {
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VpNmlz(m);
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@ -4782,14 +4784,11 @@ VpPower(Real *y, Real *x, S_INT n)
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while(n > 0) {
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VpAsgn(w1, x, 1);
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s = 1;
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loop1: ss = s;
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s += s;
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if(s >(U_LONG) n) goto out_loop1;
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VpMult(w2, w1, w1);
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VpAsgn(w1, w2, 1);
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goto loop1;
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out_loop1:
|
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n -= ss;
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while (ss = s, (s += s) <= (U_LONG)n) {
|
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VpMult(w2, w1, w1);
|
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VpAsgn(w1, w2, 1);
|
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}
|
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n -= (S_INT)ss;
|
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VpMult(w2, y, w1);
|
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VpAsgn(y, w2, 1);
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}
|
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|
|
|
|||
|
|
@ -135,10 +135,10 @@ VP_EXPORT U_LONG VpInit(U_LONG BaseVal);
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VP_EXPORT void *VpMemAlloc(U_LONG mb);
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VP_EXPORT void VpFree(Real *pv);
|
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VP_EXPORT Real *VpAlloc(U_LONG mx, const char *szVal);
|
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VP_EXPORT int VpAsgn(Real *c,Real *a,int isw);
|
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VP_EXPORT int VpAddSub(Real *c,Real *a,Real *b,int operation);
|
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VP_EXPORT int VpMult(Real *c,Real *a,Real *b);
|
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VP_EXPORT int VpDivd(Real *c,Real *r,Real *a,Real *b);
|
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VP_EXPORT U_LONG VpAsgn(Real *c,Real *a,int isw);
|
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VP_EXPORT U_LONG VpAddSub(Real *c,Real *a,Real *b,int operation);
|
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VP_EXPORT U_LONG VpMult(Real *c,Real *a,Real *b);
|
||||
VP_EXPORT U_LONG VpDivd(Real *c,Real *r,Real *a,Real *b);
|
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VP_EXPORT int VpComp(Real *a,Real *b);
|
||||
VP_EXPORT S_LONG VpExponent10(Real *a);
|
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VP_EXPORT void VpSzMantissa(Real *a,char *psz);
|
||||
|
|
@ -152,9 +152,9 @@ VP_EXPORT void VpDtoV(Real *m,double d);
|
|||
VP_EXPORT void VpItoV(Real *m,S_INT ival);
|
||||
#endif
|
||||
VP_EXPORT int VpSqrt(Real *y,Real *x);
|
||||
VP_EXPORT int VpActiveRound(Real *y,Real *x,int f,int il);
|
||||
VP_EXPORT int VpMidRound(Real *y, int f, int nf);
|
||||
VP_EXPORT int VpLeftRound(Real *y, int f, int nf);
|
||||
VP_EXPORT int VpActiveRound(Real *y,Real *x,int f,S_LONG il);
|
||||
VP_EXPORT int VpMidRound(Real *y, int f, S_LONG nf);
|
||||
VP_EXPORT int VpLeftRound(Real *y, int f, S_LONG nf);
|
||||
VP_EXPORT void VpFrac(Real *y,Real *x);
|
||||
VP_EXPORT int VpPower(Real *y,Real *x,S_INT n);
|
||||
|
||||
|
|
@ -184,7 +184,7 @@ VP_EXPORT Real *VpOne(void);
|
|||
#define VpSetSign(a,s) {if((s)>0) (a)->sign=(short)VP_SIGN_POSITIVE_FINITE;else (a)->sign=(short)VP_SIGN_NEGATIVE_FINITE;}
|
||||
|
||||
/* 1 */
|
||||
#define VpSetOne(a) {(a)->frac[0]=(a)->exponent=(a)->Prec=1;(a)->sign=VP_SIGN_POSITIVE_FINITE;}
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#define VpSetOne(a) {(a)->frac[0]=(a)->Prec=(a)->exponent=1;(a)->sign=VP_SIGN_POSITIVE_FINITE;}
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/* ZEROs */
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#define VpIsPosZero(a) ((a)->sign==VP_SIGN_POSITIVE_ZERO)
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