diff options
Diffstat (limited to 'bignum.c')
-rw-r--r-- | bignum.c | 10 |
1 files changed, 8 insertions, 2 deletions
@@ -6207,6 +6207,7 @@ rb_big_pow(VALUE x, VALUE y) again: if (y == INT2FIX(0)) return INT2FIX(1); + if (y == INT2FIX(1)) return x; if (RB_FLOAT_TYPE_P(y)) { d = RFLOAT_VALUE(y); if ((BIGNUM_NEGATIVE_P(x) && !BIGZEROP(x))) { @@ -6223,8 +6224,13 @@ rb_big_pow(VALUE x, VALUE y) else if (FIXNUM_P(y)) { yy = FIX2LONG(y); - if (yy < 0) - return rb_rational_raw(INT2FIX(1), rb_big_pow(x, INT2NUM(-yy))); + if (yy < 0) { + x = rb_big_pow(x, INT2NUM(-yy)); + if (RB_INTEGER_TYPE_P(x)) + return rb_rational_raw(INT2FIX(1), x); + else + return DBL2NUM(1.0 / NUM2DBL(x)); + } else { VALUE z = 0; SIGNED_VALUE mask; |