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* bignum.c (bigdivrem_normal): Add assertions.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2013-09-04 11:23:05 +00:00
parent 35f11f306d
commit dd95c9b1cd
2 changed files with 7 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Wed Sep 4 20:22:43 2013 Tanaka Akira <akr@fsij.org>
* bignum.c (bigdivrem_normal): Add assertions.
Wed Sep 4 19:18:40 2013 Nobuyoshi Nakada <nobu@ruby-lang.org> Wed Sep 4 19:18:40 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* internal.h (vm_state_version_t): prefer LONG_LONG to uint64_t. * internal.h (vm_state_version_t): prefer LONG_LONG to uint64_t.

3
bignum.c
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@ -2640,6 +2640,9 @@ bigdivrem_normal(BDIGIT *zds, size_t zn, const BDIGIT *xds, size_t xn, BDIGIT *y
{ {
int shift; int shift;
assert(zn == xn + 1);
assert(yn < xn || (xn == yn && yds[yn - 1] <= xds[xn - 1]));
shift = nlz(yds[yn-1]); shift = nlz(yds[yn-1]);
if (shift) { if (shift) {
bary_small_lshift(yds, yds, yn, shift); bary_small_lshift(yds, yds, yn, shift);