diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | bignum.c | 6 |
2 files changed, 4 insertions, 5 deletions
@@ -1,6 +1,7 @@ -Tue Jul 9 22:17:58 2013 Tanaka Akira <akr@fsij.org> +Tue Jul 9 22:24:39 2013 Tanaka Akira <akr@fsij.org> * bignum.c (bary_mul1): No need to invoke MEMZERO at last. + (bary_mul_single): Invoke MEMZERO here. Tue Jul 9 21:40:01 2013 Kouhei Sutou <kou@cozmixng.org> @@ -1439,6 +1439,8 @@ bary_mul_single(BDIGIT *zds, size_t zl, BDIGIT x, BDIGIT y) n = (BDIGIT_DBL)x * y; zds[0] = BIGLO(n); zds[1] = (BDIGIT)BIGDN(n); + + MEMZERO(zds + 2, BDIGIT, zl - 2); } static int @@ -1787,16 +1789,12 @@ rb_big_mul_karatsuba(VALUE x, VALUE y) static void bary_mul1(BDIGIT *zds, size_t zl, BDIGIT *xds, size_t xl, BDIGIT *yds, size_t yl) { - size_t l; - assert(xl + yl <= zl); if (xl == 1 && yl == 1) { - l = 2; bary_mul_single(zds, zl, xds[0], yds[0]); } else { - l = xl + yl; bary_mul_normal(zds, zl, xds, xl, yds, yl); rb_thread_check_ints(); } |