* rational.c: ditto.
* bignum.c (rb_big_pow): bignum**bignum - should calculate without
rational.
* lib/complex.rb: should override Math module at most once.
* lib/mathn.rb: requires 'cmath' directly.
-この行以下は無視されます --
M complex.c
M ChangeLog
M lib/mathn.rb
M lib/complex.rb
M bignum.c
M rational.c
complex.c: uses f_(in)?exact_p macro.
-この行以下は無視されます --
M complex.c
M ChangeLog
M lib/mathn.rb
M lib/complex.rb
M bignum.c
M rational.c
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19431 b2dd03c8-39d4-4d8f-98ff-823fe69b080e