diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | ext/bigdecimal/bigdecimal.c | 3 | ||||
| -rw-r--r-- | test/bigdecimal/test_bigdecimal.rb | 3 |
3 files changed, 13 insertions, 0 deletions
@@ -1,3 +1,10 @@ +Fri Nov 22 16:49:00 2013 Kenta Murata <mrkn@mrkn.jp> + + * ext/bigdecimal/bigdecimal.c (BigDecimal_power): Round the result value. + [Bug #8818] [ruby-core:56802] + + * test/bigdecimal/test_bigdecimal.rb: Add a test for the above fix. + Fri Nov 22 16:25:43 2013 Koichi Sasada <ko1@atdot.net> * gc.c (heap_set_increment): accept minumum additional page number. diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index af1d5246f5..88f56176b7 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -2381,6 +2381,9 @@ retry: GUARD_OBJ(y, VpCreateRbObject(1, "0")); } VpPower(y, x, int_exp); + if (VpIsDef(y)) { + VpMidRound(y, VpGetRoundMode(), n); + } return ToValue(y); } diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb index 78ecd8bd30..8eb732aca1 100644 --- a/test/bigdecimal/test_bigdecimal.rb +++ b/test/bigdecimal/test_bigdecimal.rb @@ -1123,6 +1123,9 @@ class TestBigDecimal < Test::Unit::TestCase e = BigDecimal("2.71828182845904523536028747135266249775724709369996") pow = BigDecimal("22.459157718361045473") assert_equal(pow, pi.power(e, 20)) + + b = BigDecimal('1.034482758620689655172413793103448275862068965517241379310344827586206896551724') + assert_equal(BigDecimal('0.114523E1'), b.power(4, 5), '[Bug #8818] [ruby-core:56802]') end def test_limit |