func math/big.karatsuba

5 uses

	math/big (current package)
		nat.go#L267: func karatsuba(z, x, y nat) {
		nat.go#L317: 	karatsuba(z, x0, y0)     // z0 = x0*y0
		nat.go#L318: 	karatsuba(z[n:], x1, y1) // z2 = x1*y1
		nat.go#L338: 	karatsuba(p, xd, yd)
		nat.go#L439: 	karatsuba(z, x0, y0)