From 7d3538db3fc8fb5890ed0f3ae19904cf05bb9d24 Mon Sep 17 00:00:00 2001 From: mrkn Date: Thu, 12 Dec 2013 17:02:24 +0000 Subject: * ext/bigdecimal/bigdecimal.c (VpAddAbs): put out a conditional branch from the inside of while-loop. * ext/bigdecimal/bigdecimal.c (VpSubAbs): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44152 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/bigdecimal/bigdecimal.c | 30 +++++++++++++++--------------- 1 file changed, 15 insertions(+), 15 deletions(-) (limited to 'ext/bigdecimal') diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index 1eef609b95..266983c785 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -4196,14 +4196,14 @@ VpAddAbs(Real *a, Real *b, Real *c) /* Just assign the last few digits of b to c because a has no */ /* corresponding digits to be added. */ - while (b_pos + word_shift > a_pos) { - --c_pos; - if (b_pos > 0) { - c->frac[c_pos] = b->frac[--b_pos]; + if (b_pos > 0) { + while (b_pos > 0 && b_pos + word_shift > a_pos) { + c->frac[--c_pos] = b->frac[--b_pos]; } - else { - --word_shift; - c->frac[c_pos] = 0; + } + if (b_pos == 0 && word_shift > a_pos) { + while (word_shift-- > a_pos) { + c->frac[--c_pos] = 0; } } @@ -4299,16 +4299,16 @@ VpSubAbs(Real *a, Real *b, Real *c) /* each of the last few digits of the b because the a has no */ /* corresponding digits to be subtracted. */ if (b_pos + word_shift > a_pos) { - while (b_pos + word_shift > a_pos) { - --c_pos; - if (b_pos > 0) { - c->frac[c_pos] = BASE - b->frac[--b_pos] - borrow; - } - else { + while (b_pos > 0 && b_pos + word_shift > a_pos) { + c->frac[--c_pos] = BASE - b->frac[--b_pos] - borrow; + borrow = 1; + } + if (b_pos == 0) { + while (word_shift > a_pos) { --word_shift; - c->frac[c_pos] = BASE - borrow; + c->frac[--c_pos] = BASE - borrow; + borrow = 1; } - borrow = 1; } } /* Just assign the last few digits of a to c because b has no */ -- cgit v1.2.3