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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-10-04 00:55:15 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-10-04 00:55:15 +0000
commitcc80f139cdc2c7224afc496178d5c56a7f9cdd1c (patch)
tree1d1b42e4796061ff14c20b8631970a47f6b9cb95 /test/bigdecimal/test_bigdecimal.rb
parent1ae50df95d72f02dc4e8f2edf9502609fd95a8fd (diff)
bigdecimal.c: more precision
* ext/bigdecimal/bigdecimal.c (BigDecimal_div2): need more room for precision to round. [ruby-core:77475] [Bug #12805] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56336 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/bigdecimal/test_bigdecimal.rb')
-rw-r--r--test/bigdecimal/test_bigdecimal.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/bigdecimal/test_bigdecimal.rb b/test/bigdecimal/test_bigdecimal.rb
index 4296b50..63a3e27 100644
--- a/test/bigdecimal/test_bigdecimal.rb
+++ b/test/bigdecimal/test_bigdecimal.rb
@@ -807,6 +807,12 @@ class TestBigDecimal < Test::Unit::TestCase
BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false)
assert_equal(0, BigDecimal("0").div(BigDecimal("Infinity")))
end
+
+ x = BigDecimal.new("1")
+ y = BigDecimal.new("0.22")
+ (2..20).each do |i|
+ assert_equal ("0."+"45"*(i/2)+"5"*(i%2)+"E1"), x.div(y, i).to_s, "#{i}"
+ end
end
def test_abs_bigdecimal