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* bignum.c (bigdivrem): Reduce number of digits before bignew() for div.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41302 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2013-06-14 12:05:38 +00:00
parent 48bfbb574e
commit 2f407300fa
2 changed files with 6 additions and 2 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Fri Jun 14 20:47:41 2013 Tanaka Akira <akr@fsij.org>
* bignum.c (bigdivrem): Reduce number of digits before bignew() for div.
Fri Jun 14 20:12:37 2013 Tanaka Akira <akr@fsij.org>
* bignum.c (bigdivrem): Use bignew when ny == 1.

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bignum.c
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@ -3848,11 +3848,11 @@ bigdivrem(VALUE x, VALUE y, volatile VALUE *divp, volatile VALUE *modp)
if (divp) { /* move quotient down in z */
j = nz - ny;
while (0 < j && !zds[j-1+ny])
j--;
*divp = zz = bignew(j, RBIGNUM_SIGN(x)==RBIGNUM_SIGN(y));
qds = BDIGITS(zz);
for (i = 0;i < j;i++) qds[i] = zds[i+ny];
if (!qds[i-1])
RBIGNUM_SET_LEN(zz, i-1);
}
if (modp) { /* normalize remainder */
while (ny > 1 && !zds[ny-1]) --ny;