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* ext/bigdecimal/bigdecimal.c (VpAllocReal): reduce extra frac.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33931 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2011-12-02 06:48:10 +00:00
parent 5fce7630c7
commit d0b2816d02
2 changed files with 12 additions and 6 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Fri Dec 2 15:48:08 2011 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ext/bigdecimal/bigdecimal.c (VpAllocReal): reduce extra frac.
Fri Dec 2 15:41:24 2011 Nobuyoshi Nakada <nobu@ruby-lang.org> Fri Dec 2 15:41:24 2011 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in: check whether -pie or -Wl,-pie is valid as * configure.in: check whether -pie or -Wl,-pie is valid as

14
ext/bigdecimal/bigdecimal.c
View file

@ -554,6 +554,8 @@ VpCreateRbObject(size_t mx, const char *str)
return pv; return pv;
} }
#define VpAllocReal(prec) (Real *)VpMemAlloc(offsetof(Real, frac) + (prec) * sizeof(BDIGIT))
static Real * static Real *
VpDup(Real const* const x) VpDup(Real const* const x)
{ {
@ -561,7 +563,7 @@ VpDup(Real const* const x)
assert(x != NULL); assert(x != NULL);
pv = VpMemAlloc(sizeof(Real) + x->MaxPrec * sizeof(BDIGIT)); pv = VpAllocReal(x->MaxPrec);
pv->MaxPrec = x->MaxPrec; pv->MaxPrec = x->MaxPrec;
pv->Prec = x->Prec; pv->Prec = x->Prec;
pv->exponent = x->exponent; pv->exponent = x->exponent;
@ -3576,7 +3578,7 @@ VpAlloc(size_t mx, const char *szVal)
/* necessary to be able to store */ /* necessary to be able to store */
/* at least mx digits. */ /* at least mx digits. */
/* szVal==NULL ==> allocate zero value. */ /* szVal==NULL ==> allocate zero value. */
vp = (Real *) VpMemAlloc(sizeof(Real) + mx * sizeof(BDIGIT)); vp = VpAllocReal(mx);
/* xmalloc() alway returns(or throw interruption) */ /* xmalloc() alway returns(or throw interruption) */
vp->MaxPrec = mx; /* set max precision */ vp->MaxPrec = mx; /* set max precision */
VpSetZero(vp,1); /* initialize vp to zero. */ VpSetZero(vp,1); /* initialize vp to zero. */
@ -3609,19 +3611,19 @@ VpAlloc(size_t mx, const char *szVal)
/* Check on Inf & NaN */ /* Check on Inf & NaN */
if (StrCmp(szVal, SZ_PINF) == 0 || if (StrCmp(szVal, SZ_PINF) == 0 ||
StrCmp(szVal, SZ_INF) == 0 ) { StrCmp(szVal, SZ_INF) == 0 ) {
vp = (Real *) VpMemAlloc(sizeof(Real) + sizeof(BDIGIT)); vp = VpAllocReal(1);
vp->MaxPrec = 1; /* set max precision */ vp->MaxPrec = 1; /* set max precision */
VpSetPosInf(vp); VpSetPosInf(vp);
return vp; return vp;
} }
if (StrCmp(szVal, SZ_NINF) == 0) { if (StrCmp(szVal, SZ_NINF) == 0) {
vp = (Real *) VpMemAlloc(sizeof(Real) + sizeof(BDIGIT)); vp = VpAllocReal(1);
vp->MaxPrec = 1; /* set max precision */ vp->MaxPrec = 1; /* set max precision */
VpSetNegInf(vp); VpSetNegInf(vp);
return vp; return vp;
} }
if (StrCmp(szVal, SZ_NaN) == 0) { if (StrCmp(szVal, SZ_NaN) == 0) {
vp = (Real *) VpMemAlloc(sizeof(Real) + sizeof(BDIGIT)); vp = VpAllocReal(1);
vp->MaxPrec = 1; /* set max precision */ vp->MaxPrec = 1; /* set max precision */
VpSetNaN(vp); VpSetNaN(vp);
return vp; return vp;
@ -3679,7 +3681,7 @@ VpAlloc(size_t mx, const char *szVal)
if (mx <= 0) mx = 1; if (mx <= 0) mx = 1;
nalloc = Max(nalloc, mx); nalloc = Max(nalloc, mx);
mx = nalloc; mx = nalloc;
vp = (Real *) VpMemAlloc(sizeof(Real) + mx * sizeof(BDIGIT)); vp = VpAllocReal(mx);
/* xmalloc() alway returns(or throw interruption) */ /* xmalloc() alway returns(or throw interruption) */
vp->MaxPrec = mx; /* set max precision */ vp->MaxPrec = mx; /* set max precision */
VpSetZero(vp, sign); VpSetZero(vp, sign);