From 2fed0e8e6f5d4a194e1dfcb39ef29a4a08cfa4ec Mon Sep 17 00:00:00 2001 From: shyouhei Date: Wed, 11 Feb 2009 14:37:47 +0000 Subject: merge revision(s) 20228: * ext/bigdecimal/bigdecimal.c (VpMidRound): Round method bug pointed by Ryan Platte fixed(Patch to the patch from "NATORI Shin"). [ruby-talk:273360] back ported from 1.9. fix [ruby-core:19791] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@22243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/bigdecimal/bigdecimal.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'ext') diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index 636c0907d6..7400b313a4 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -4345,6 +4345,11 @@ VpMidRound(Real *y, int f, int nf) nf += y->exponent*((int)BASE_FIG); exptoadd=0; if (nf < 0) { + /* rounding position too left(large). */ + if((f!=VP_ROUND_CEIL) && (f!=VP_ROUND_FLOOR)) { + VpSetZero(y,VpGetSign(y)); /* truncate everything */ + return 0; + } exptoadd = -nf; nf = 0; } -- cgit v1.2.3