diff options
| -rw-r--r-- | bignum.c | 2 | ||||
| -rw-r--r-- | test/ruby/test_numeric.rb | 4 |
2 files changed, 5 insertions, 1 deletions
@@ -7028,7 +7028,7 @@ int_pow_tmp2(VALUE x, VALUE y, long mm, int nega_flg) /* * Document-method: Integer#pow * call-seq: - * integer.pow(integer) -> integer + * integer.pow(numeric) -> numeric * integer.pow(integer, integer) -> integer * * Returns (modular) exponentiation as: diff --git a/test/ruby/test_numeric.rb b/test/ruby/test_numeric.rb index 9b17fbb2a5..02a6b8f4a8 100644 --- a/test/ruby/test_numeric.rb +++ b/test/ruby/test_numeric.rb @@ -386,6 +386,10 @@ class TestNumeric < Test::Unit::TestCase end def test_pow + assert_equal(2**3, 2.pow(3)) + assert_equal(2**-1, 2.pow(-1)) + assert_equal(2**0.5, 2.pow(0.5)) + assert_equal((-1)**0.5, -1.pow(0.5)) assert_equal(3**3 % 8, 3.pow(3, 8)) assert_equal(3**3 % -8, 3.pow(3,-8)) assert_equal(3**2 % -2, 3.pow(2,-2)) |