complex.c (nucomp_coerce): accepts Complex instances.
* rational.c (nurat_coerce): accepts Rational instances. [ruby-core:23859]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
complex.c (nucomp_coerce): accepts Complex instances.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e