rational.c: optimization and refactoring
rational.c (nurat_s_new_bang, nurat_canonicalize): small optimization by using rb_int_uminus instead of f_negate.
rational.c (nurat_canonicalize): add assertions for parameters.
rational.c (f_negate, id_negate): removed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
rational.c: optimization and refactoring
rational.c (nurat_s_new_bang, nurat_canonicalize): small optimization
by using rb_int_uminus instead of f_negate.
rational.c (nurat_canonicalize): add assertions for parameters.
rational.c (f_negate, id_negate): removed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e