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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2019-03-11 01:37:16 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2019-03-11 01:37:16 +0000
commite5f01dab9d1faebe8f1c8eab3ed805335c4b712d (patch)
tree30414991e6fa9d2b65ba5cb33cc3d0bff1bb0279 /ext/-test-/integer
parentf399c2912bcb0ab782fc14a1987e07ceaaf060e7 (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-/integer')
-rw-r--r--ext/-test-/integer/core_ext.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/ext/-test-/integer/core_ext.c b/ext/-test-/integer/core_ext.c
index 6d64cdb..510ba4a 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);
}