diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-08-16 22:28:48 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-08-16 22:28:48 +0000 |
commit | 9166dd9ec7189376a9c1cb3dda2e40628096d015 (patch) | |
tree | 9cb22719d7220c00834c6c20c6001f9ac8b6a42b /numeric.c | |
parent | 3041f600563df6a3b401ee44d0c31b690d2f82fc (diff) |
* numeric.c (num_imaginary): num#i to return imaginary counterpart
of the given numeric.
* complex.c (Init_Complex): undef #i for complex numbers.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24561 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -238,6 +238,21 @@ num_uplus(VALUE num) /* * call-seq: + * num.i -> Complex(0,num) + * + * Returns the corresponding imaginary number. + * Not available for complex numbers. + */ + +static VALUE +num_imaginary(VALUE num) +{ + return rb_complex_new(INT2FIX(0), num); +} + + +/* + * call-seq: * -num -> numeric * * Unary Minus---Returns the receiver's value, negated. @@ -3154,6 +3169,7 @@ Init_Numeric(void) rb_define_method(rb_cNumeric, "initialize_copy", num_init_copy, 1); rb_define_method(rb_cNumeric, "coerce", num_coerce, 1); + rb_define_method(rb_cNumeric, "i", num_imaginary, 0); rb_define_method(rb_cNumeric, "+@", num_uplus, 0); rb_define_method(rb_cNumeric, "-@", num_uminus, 0); rb_define_method(rb_cNumeric, "<=>", num_cmp, 1); |