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complex.c (f_divide): canonicalize a quotient

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Cannonicalize resultant real and imaginary parts when complex number
divided by non-complex number.

[Fix GH-2065] [Bug #15505] [ruby-core:90891]

From: Joe Peric <peric.joe@gmail.com>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66744 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mrkn 2019-01-07 04:49:34 +00:00
parent 72ad092960
commit a288ff502e
2 changed files with 12 additions and 9 deletions
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7
complex.c
View file

@ -843,10 +843,11 @@ f_divide(VALUE self, VALUE other,
}
if (k_numeric_p(other) && f_real_p(other)) {
get_dat1(self);
return f_complex_new2(CLASS_OF(self),
(*func)(dat->real, other),
(*func)(dat->imag, other));
rb_rational_canonicalize(
(*func)(dat->real, other)),
rb_rational_canonicalize(
(*func)(dat->imag, other)));
}
return rb_num_coerce_bin(self, other, id);
}

4
test/ruby/test_complex.rb
View file

@ -427,12 +427,14 @@ class Complex_Test < Test::Unit::TestCase
assert_equal(Complex(Rational(3,2),Rational(3)), c / Rational(2,3))
c = Complex(1)
r = c / c
[ 1, Rational(1), c ].each do |d|
r = c / d
assert_instance_of(Complex, r)
assert_equal(1, r)
assert_predicate(r.real, :integer?)
assert_predicate(r.imag, :integer?)
end
end
def test_quo
c = Complex(1,2)