124     bool check_if_valid(double *A0, double *C, double *A, int n) {  in check_if_valid()  argument
131                 A0[j * n + i] = 0.;  in check_if_valid()
135         dgemm(&transa, &transb, &n, &n, &n, &alpha, A0, &n, A0, &n, &beta, C, &n);  in check_if_valid()
168         double *A0 = (double *)calloc(sizeof(double), n * n);  in operator ()()  local
178                 collapse_tile_array(tile, A0, n, b);  in operator ()()
181                 memcpy(A0, A, sizeof(double) * n * n);  in operator ()()
183                 func(A0, n, b);  in operator ()()
190             if (!g_benchmark_run && !check_if_valid(A0, C, A, n)) {  in operator ()()
194                     matrix_write(A0, g_n, s.c_str(), true);  in operator ()()
195                     free(A0);  in operator ()()
205             matrix_write(A0, g_n, s.c_str(), true);  in operator ()()
216         free(A0);  in operator ()()