         fail_on_error ( j1->join_from_right(j2) );
 
         // Check result.
+        // NOTE: this test fails on CUDA arch < 1.3
         check_matrix_matrix(j1, 0, 1);
 
         // Free memory.

        fail_on_error ( j1->join_from_right(j2) );

        // Check result.
        check_matrix_scalar(j1, 0, 1);

        // Free memory.

#include "utility/timer.h"

#include <cstdio>
#include <cstdlib>

/**
 * @details
