diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | complex.c | 20 |
2 files changed, 20 insertions, 4 deletions
@@ -1,3 +1,7 @@ +Sun Jul 5 22:43:13 2009 Tadayoshi Funaba <tadf@dotrb.org> + + * complex.c (nucomp_s_polar): now arg is optional. + Sun Jul 5 20:40:35 2009 Tadayoshi Funaba <tadf@dotrb.org> * complex.c (float_arg): returns PI for -0.0. @@ -548,13 +548,25 @@ f_complex_polar(VALUE klass, VALUE x, VALUE y) /* * call-seq: - * Complex.polar(abs, arg) -> complex + * Complex.polar(abs[, arg]) -> complex * * Returns a complex object which denotes the given polar form. */ static VALUE -nucomp_s_polar(VALUE klass, VALUE abs, VALUE arg) +nucomp_s_polar(int argc, VALUE *argv, VALUE klass) { + VALUE abs, arg; + + switch (rb_scan_args(argc, argv, "11", &abs, &arg)) { + case 1: + nucomp_real_check(abs); + arg = ZERO; + break; + default: + nucomp_real_check(abs); + nucomp_real_check(arg); + break; + } return f_complex_polar(klass, abs, arg); } @@ -1260,7 +1272,7 @@ rb_complex_new(VALUE x, VALUE y) VALUE rb_complex_polar(VALUE x, VALUE y) { - return nucomp_s_polar(rb_cComplex, x, y); + return f_complex_polar(rb_cComplex, x, y); } static VALUE nucomp_s_convert(int argc, VALUE *argv, VALUE klass); @@ -1840,7 +1852,7 @@ Init_Complex(void) rb_define_singleton_method(rb_cComplex, "rectangular", nucomp_s_new, -1); rb_define_singleton_method(rb_cComplex, "rect", nucomp_s_new, -1); - rb_define_singleton_method(rb_cComplex, "polar", nucomp_s_polar, 2); + rb_define_singleton_method(rb_cComplex, "polar", nucomp_s_polar, -1); rb_define_global_function("Complex", nucomp_f_complex, -1); |