b.ResetTimer()
	t := new(Int)
	for i := 0; i < b.N; i++ {
		t.Sqrt(n)
	}
}

func benchmarkIntSqr(b *testing.B, nwords int) {
	x := new(Int)
	x.abs = rndNat(nwords)
	t := new(Int)
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		t.Mul(x, x)
	}
}

func BenchmarkIntSqr(b *testing.B) {
	for _, n := range sqrBenchSizes {
		if isRaceBuilder && n > 1e3 {
			continue
		}