diff options
| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-03-11 01:37:16 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-03-11 01:37:16 +0000 |
| commit | e5f01dab9d1faebe8f1c8eab3ed805335c4b712d (patch) | |
| tree | 30414991e6fa9d2b65ba5cb33cc3d0bff1bb0279 /ext/-test- | |
| parent | f399c2912bcb0ab782fc14a1987e07ceaaf060e7 (diff) | |
numeric.c: fix infinite loop
* numeric.c (int_pow): fix infinite loop in the case of y equal 1
and power of x does not overflow.
[ruby-core:91734] [Bug #15651]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/-test-')
| -rw-r--r-- | ext/-test-/integer/core_ext.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ext/-test-/integer/core_ext.c b/ext/-test-/integer/core_ext.c index 6d64cdb0c2..510ba4a1e6 100644 --- a/ext/-test-/integer/core_ext.c +++ b/ext/-test-/integer/core_ext.c @@ -20,10 +20,17 @@ rb_int_to_bignum(VALUE x) return x; } +static VALUE +positive_pow(VALUE x, VALUE y) +{ + return rb_int_positive_pow(NUM2LONG(x), NUM2ULONG(y)); +} + void Init_core_ext(VALUE klass) { rb_define_method(rb_cInteger, "bignum?", int_bignum_p, 0); rb_define_method(rb_cInteger, "fixnum?", int_fixnum_p, 0); rb_define_method(rb_cInteger, "to_bignum", rb_int_to_bignum, 0); + rb_define_method(rb_cInteger, "positive_pow", positive_pow, 1); } |