Prototipo de karatsuba() con const y &.

diff --git a/src/number.h b/src/number.h
index 2048d57e767ba3178f78a7dd7104d81dce3493c5..3f8552b12b329f23414daabcb5f93441c653682d 100644 (file)
--- a/src/number.h
+++ b/src/number.h
@@ -291,7 +291,7 @@ std::pair< number< N, E >, number< N, E > > number< N, E >::split() const
 
 // es el algoritmo de división y conquista, que se llama recursivamente
 template < typename N, typename E >
-number < N, E > karatsuba(number< N, E > u, number< N, E > v)
+number < N, E > karatsuba(const number< N, E > &u, const number< N, E > &v)
 {
        typedef number< N, E > num_type;