func math/big.karatsuba

5 uses

	math/big (current package)
		nat.go#L270: func karatsuba(z, x, y nat) {
		nat.go#L320: 	karatsuba(z, x0, y0)     // z0 = x0*y0
		nat.go#L321: 	karatsuba(z[n:], x1, y1) // z2 = x1*y1
		nat.go#L341: 	karatsuba(p, xd, yd)
		nat.go#L448: 	karatsuba(z, x0, y0)