const (
	sqrModeMul       = "mul(x, x)"
	sqrModeBasic     = "basicSqr(x)"
	sqrModeKaratsuba = "karatsubaSqr(x)"
)

func TestCalibrate(t *testing.T) {
	if !*calibrate {
		return
	}

	computeKaratsubaThresholds()

	// compute basicSqrThreshold where overhead becomes negligible
	minSqr := computeSqrThreshold(10, 30, 1, 3, sqrModeMul, sqrModeBasic)
	// compute karatsubaSqrThreshold where karatsuba is faster