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authormrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-05-11 05:11:59 +0000
committermrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2010-05-11 05:11:59 +0000
commit74365313f7db803628c75644c558ca60a64768ff (patch)
tree00ff4c7132c82df3fff657767399725013621f68 /test
parent3b0e399c0338a2c7570b34b805b8ced90201850b (diff)
* ext/bigdecimal/lib/bigdecimal/math.rb (atan), test/bigdecimal/test_bigmath.rb (test_atan): explicitly specify the precision for calculating a reciprocal number of an argument. [Bug #3267]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27734 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r--test/bigdecimal/test_bigmath.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/test/bigdecimal/test_bigmath.rb b/test/bigdecimal/test_bigmath.rb
index fbeb06221b..453c47ec6b 100644
--- a/test/bigdecimal/test_bigmath.rb
+++ b/test/bigdecimal/test_bigmath.rb
@@ -57,6 +57,8 @@ class TestBigMath < Test::Unit::TestCase
assert_in_delta(Math::PI/4, atan(BigDecimal("1.0"), N))
assert_in_delta(Math::PI/6, atan(sqrt(BigDecimal("3.0"), N) / 3, N))
assert_in_delta(Math::PI/2, atan(PINF, N))
+ assert_equal(BigDecimal("0.823840753418636291769355073102514088959345624027952954058347023122539489"),
+ atan(BigDecimal("1.08"), 72).round(72), '[ruby-dev:41257]')
end
def test_exp