func math/big.karatsubaSqr

5 uses

	math/big (current package)
		nat.go#L526: func karatsubaSqr(z, x nat) {
		nat.go#L537: 	karatsubaSqr(z, x0)
		nat.go#L538: 	karatsubaSqr(z[n:], x1)
		nat.go#L547: 	karatsubaSqr(p, xd)
		nat.go#L600: 	karatsubaSqr(z, x0) // z = x0^2