diff options
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -2197,16 +2197,18 @@ int_pow(x, y) while (y % 2 == 0) { long x2 = x * x; if (x2 < x || !POSFIXABLE(x2)) { + VALUE v; bignum: - return rb_big_mul(rb_big_pow(rb_int2big(x), LONG2NUM(y)), - rb_int2big(neg ? -z : z)); + v = rb_big_pow(rb_int2big(x), LONG2NUM(y)); + if (z != 1) v = rb_big_mul(rb_int2big(neg ? -z : z), v); + return v; } x = x2; y >>= 1; } { long xz = x * z; - if (xz < z || xz < x || !POSFIXABLE(xz)) { + if (!POSFIXABLE(xz) || xz / x != z) { goto bignum; } z = xz; |