}
}

func BenchmarkBitsetNeg(b *testing.B) {
	z := NewInt(-1)
	z.SetBit(z, 512, 0)
	b.ResetTimer()
	for i := b.N - 1; i >= 0; i-- {
		z.SetBit(z, i&512, 0)
	}
}

func BenchmarkBitsetOrig(b *testing.B) {
	z := new(Int)
	altSetBit(z, z, 512, 1)
	b.ResetTimer()
	for i := b.N - 1; i >= 0; i-- {
		altSetBit(z, z, i&512, 1)
	}
}

func BenchmarkBitsetNegOrig(b *testing.B) {