Renombrar "divide_n_conquer" por "karatsuba".

[z.facultad/75.29/dale.git] / src / number.h

diff --git a/src/number.h b/src/number.h
index 3a42d7ee552f23735a0b021c4f7ad447a78a1085..4b77f22c9898b0d5f45635e19f60864fbebb7170 100644 (file)
--- a/src/number.h
+++ b/src/number.h
@@ -274,7 +274,7 @@ 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 >
 
 // es el algoritmo de división y conquista, que se llama recursivamente
 template < typename N, typename E >

-number < N, E > divide_n_conquer(number< N, E > u, number< N, E > v)
+number < N, E > karatsuba(number< N, E > u, number< N, E > v)

 {
        typedef number< N, E > num_type;
 
 {
        typedef number< N, E > num_type;
 


@@ -297,9 +297,9 @@ number < N, E > divide_n_conquer(number< N, E > u, number< N, E > v)
        // m = u1*v1
        // d = u2*v2
        // h = (u1+v1)*(u2+v2) = u1*u2+u1*v2+u2*v1+u2*v2
        // m = u1*v1
        // d = u2*v2
        // h = (u1+v1)*(u2+v2) = u1*u2+u1*v2+u2*v1+u2*v2

-       num_type m = divide_n_conquer(u12.first, v12.first);
-       num_type d = divide_n_conquer(u12.second, v12.second);
-       num_type h = divide_n_conquer(u12.first + v12.first,
+       num_type m = karastuba(u12.first, v12.first);
+       num_type d = karastuba(u12.second, v12.second);
+       num_type h = karastuba(u12.first + v12.first,

                        u12.second + v12.second);
 
        // H-D-M = u1*u2+u1*v2+u2*v1+u2*v2 - u2*v2 - u1*v1 = u1*v2+u2*v1
                        u12.second + v12.second);
 
        // H-D-M = u1*u2+u1*v2+u2*v1+u2*v2 - u2*v2 - u1*v1 = u1*v2+u2*v1