diff options
author | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-07 02:50:32 +0000 |
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committer | mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-07 02:50:32 +0000 |
commit | 5385ae9af43208c014040ed1025b09415d48b36f (patch) | |
tree | 099bef333ef1a2c93c01e5a07486b287d36e3962 /rational.c | |
parent | 0b87f8d4cfa627173037c00712e28eb0d5df8307 (diff) |
* rational.c (numeric_quo): move num_quo in numeric.c to numeric_quo
in rational.c to refer canonicalization state for mathn support.
[ruby-core:41575] [Bug #5736]
* numeric.c (num_quo): ditto.
* test/test_mathn.rb: add a test for the change at r41109.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41132 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'rational.c')
-rw-r--r-- | rational.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/rational.c b/rational.c index d5942f1add..86c33b539c 100644 --- a/rational.c +++ b/rational.c @@ -1793,6 +1793,32 @@ numeric_denominator(VALUE self) return f_denominator(f_to_r(self)); } + +/* + * call-seq: + * num.quo(int_or_rat) -> rat + * num.quo(flo) -> flo + * + * Returns most exact division (rational for integers, float for floats). + */ + +static VALUE +numeric_quo(VALUE x, VALUE y) +{ + if (RB_TYPE_P(y, T_FLOAT)) { + return f_fdiv(x, y); + } + + if (canonicalization) { + x = rb_rational_raw1(x); + } + else { + x = rb_convert_type(x, T_RATIONAL, "Rational", "to_r"); + } + return rb_funcall(x, '/', 1, y); +} + + /* * call-seq: * int.numerator -> self @@ -2529,6 +2555,7 @@ Init_Rational(void) rb_define_method(rb_cNumeric, "numerator", numeric_numerator, 0); rb_define_method(rb_cNumeric, "denominator", numeric_denominator, 0); + rb_define_method(rb_cNumeric, "quo", numeric_quo, 1); rb_define_method(rb_cInteger, "numerator", integer_numerator, 0); rb_define_method(rb_cInteger, "denominator", integer_denominator, 0); |