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-rw-r--r--numeric.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/numeric.c b/numeric.c
index eba69debb8..c331030d63 100644
--- a/numeric.c
+++ b/numeric.c
@@ -2281,7 +2281,10 @@ int_pow(long x, unsigned long y)
long z = 1;
if (neg) x = -x;
- if (y & 1) z = x;
+ if (y & 1)
+ z = x;
+ else
+ neg = 0;
y &= ~1;
do {
while (y % 2 == 0) {
@@ -2289,8 +2292,8 @@ int_pow(long x, unsigned long y)
if (x2 < x || !POSFIXABLE(x2)) {
VALUE v;
bignum:
- v = rb_big_pow(rb_int2big(neg ? -x : x), LONG2NUM(y));
- if (z != 1) v = rb_big_mul(rb_int2big(z), v);
+ 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;
@@ -2304,7 +2307,7 @@ int_pow(long x, unsigned long y)
z = xz;
}
} while (--y);
- if (neg && (y & 1)) z = -z;
+ if (neg) z = -z;
return LONG2NUM(z);
}