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* numeric.c (num_quo): should return a Float for a Float argument.

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[ruby-dev:44710] [Bug #5515]

* test/ruby/test_fixnum.rb: Add an assertion for the above change.

* test/ruby/test_bignum.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41099 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mrkn 2013-06-06 01:04:11 +00:00
parent b43d6331cb
commit febc42d05c
4 changed files with 32 additions and 15 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
Thu Jun 6 09:41:00 2013 Kenta Murata <mrkn@cookpad.com>
* numeric.c (num_quo): should return a Float for a Float argument.
[ruby-dev:44710] [Bug #5515]
* test/ruby/test_fixnum.rb: Add an assertion for the above change.
* test/ruby/test_bignum.rb: ditto.
Thu Jun 6 00:59:44 2013 Masaya Tarui <tarui@ruby-lang.org>
* gc.c (gc_mark): get rid of pushing useless objests.

33
numeric.c
View file

@ -369,20 +369,6 @@ num_uminus(VALUE num)
return rb_funcall(zero, '-', 1, num);
}
/*
* call-seq:
* num.quo(numeric) -> real
*
* Returns most exact division (rational for integers, float for floats).
*/
static VALUE
num_quo(VALUE x, VALUE y)
{
return rb_funcall(rb_rational_raw1(x), '/', 1, y);
}
/*
* call-seq:
* num.fdiv(numeric) -> float
@ -397,6 +383,25 @@ num_fdiv(VALUE x, VALUE y)
}
/*
* call-seq:
* num.quo(int_or_rat) -> rat
* num.quo(flo) -> flo
*
* Returns most exact division (rational for integers, float for floats).
*/
static VALUE
num_quo(VALUE x, VALUE y)
{
if (RB_TYPE_P(y, T_FLOAT)) {
return num_fdiv(x, y);
}
return rb_funcall(rb_rational_raw1(x), '/', 1, y);
}
/*
* call-seq:
* num.div(numeric) -> integer

4
test/ruby/test_bignum.rb
View file

@ -413,6 +413,8 @@ class TestBignum < Test::Unit::TestCase
end
def test_quo
assert_kind_of(Float, T32.quo(1.0))
assert_equal(T32.to_f, T32.quo(1))
assert_equal(T32.to_f, T32.quo(1.0))
assert_equal(T32.to_f, T32.quo(T_ONE))
@ -420,7 +422,7 @@ class TestBignum < Test::Unit::TestCase
assert_raise(TypeError) { T32.quo("foo") }
assert_equal(1024**1024, (1024**1024).quo(1))
assert_equal(1024**1024, (1024**1024).quo(1.0))
assert_equal(Float::INFINITY, (1024**1024).quo(1.0))
assert_equal(1024**1024*2, (1024**1024*2).quo(1))
inf = 1 / 0.0; nan = inf / inf

1
test/ruby/test_fixnum.rb
View file

@ -157,6 +157,7 @@ class TestFixnum < Test::Unit::TestCase
assert_equal(0, 1 / (2**32))
assert_equal(0, 1.div(2**32))
assert_kind_of(Float, 1.quo(2.0))
assert_equal(0.5, 1.quo(2.0))
assert_equal(0.5, 1 / 2.0)
assert_equal(0, 1.div(2.0))