ext/bigdecimal/bigdecimal.c (BigDecimal_coerce): support coerce with a Rational. The precision used for instantiate a BigDecimal from the given Rational is obtained from the receiver BigDecimal.
test/bigdecimal/test_bigdecimal.rb (test_coerce): add a test for the above change.
Rational. The precision used for instantiate a BigDecimal from the
given Rational is obtained from the receiver BigDecimal.
above change.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31868 b2dd03c8-39d4-4d8f-98ff-823fe69b080e