x.Add(x, NewInt(n))
		})
		if got != 0 {
			t.Errorf("x.Add(x, NewInt(%d)), wanted 0 allocations, got %f", n, got)
		}
	}
}

func TestFloat64(t *testing.T) {
	for _, test := range []struct {
		istr string
		f    float64
		acc  Accuracy
	}{