rb_complex_new   8060 compile.c            rb_complex_new(a, b) : rb_rational_new(a, b);
rb_complex_new    179 include/ruby/intern.h VALUE rb_complex_new(VALUE, VALUE);
rb_complex_new    180 include/ruby/intern.h #define rb_complex_new1(x) rb_complex_new((x), INT2FIX(0))
rb_complex_new    181 include/ruby/intern.h #define rb_complex_new2(x,y) rb_complex_new((x), (y))
rb_complex_new    427 numeric.c          return rb_complex_new(INT2FIX(0), num);