int main ()
{

    int cores = 2;
    int N     = 10;
    int LDA   = 10;
    int NRHS  = 5;
    int LDB   = 10;
    int info;
    int info_solution;
    int i,j;
    int LDAxN = LDA*N;
    int LDBxNRHS = LDB*NRHS;

    PLASMA_Complex64_t *A1 = (PLASMA_Complex64_t *)malloc(LDA*N*(sizeof*A1));
    PLASMA_Complex64_t *A2 = (PLASMA_Complex64_t *)malloc(LDA*N*(sizeof*A2));
    PLASMA_Complex64_t *B1 = (PLASMA_Complex64_t *)malloc(LDB*NRHS*(sizeof*B1));
    PLASMA_Complex64_t *B2 = (PLASMA_Complex64_t *)malloc(LDB*NRHS*(sizeof*B2));
    PLASMA_desc *L;
    int *IPIV;

    /* Check if unable to allocate memory */
    if ((!A1)||(!A2)||(!B1)||(!B2)){
        printf("Out of Memory \n ");
        return EXIT_SUCCESS;
    }

    /*Plasma Initialize*/
    PLASMA_Init(cores);
    printf("-- PLASMA is initialized to run on %d cores. \n",cores);

    /* Initialize A1 and A2 Matrix */
    LAPACKE_zlarnv_work(IONE, ISEED, LDAxN, A1);
    for ( i = 0; i < N; i++)
        for (  j = 0; j < N; j++)
            A2[LDA*j+i] = A1[LDA*j+i];

    /* Initialize B1 and B2 */
    LAPACKE_zlarnv_work(IONE, ISEED, LDBxNRHS, B1);
    for ( i = 0; i < N; i++)
        for ( j = 0; j < NRHS; j++)
            B2[LDB*j+i] = B1[LDB*j+i];


    /* Allocate L and IPIV */
    info = PLASMA_Alloc_Workspace_zgetrf_incpiv(N, N, &L, &IPIV);

    /* LU factorization of the matrix A */
    info = PLASMA_zgetrf_incpiv(N, N, A2, LDA, L, IPIV);

    /* Solve the problem */
    info = PLASMA_ztrsmpl(N, NRHS, A2, LDA, L, IPIV, B2, LDB);
    info = PLASMA_ztrsm(PlasmaLeft, PlasmaUpper, PlasmaNoTrans, PlasmaNonUnit, 
                        N, NRHS, (PLASMA_Complex64_t)1.0, A2, LDA, B2, LDB);

    /* Check the solution */
    info_solution = check_solution(N, NRHS, A1, LDA, B1, B2, LDB);

    if ((info_solution != 0)|(info != 0))
       printf("-- Error in ZGETRS example ! \n");
    else
       printf("-- Run of ZGETRS example successful ! \n");

    free(A1); free(A2); free(B1); free(B2); free(IPIV); free(L);

    PLASMA_Finalize();

    return EXIT_SUCCESS;
}
Exemple #2
0
int testing_zgesv_incpiv(int argc, char **argv)
{
    /* Check for valid arguments*/
    if (argc != 4){
        USAGE("GESV_INCPIV", "N LDA NRHS LDB",
              "   - N    : the size of the matrix\n"
              "   - LDA  : leading dimension of the matrix A\n"
              "   - NRHS : number of RHS\n"
              "   - LDB  : leading dimension of the matrix B\n");
        return -1;
    }

    int N     = atoi(argv[0]);
    int LDA   = atoi(argv[1]);
    int NRHS  = atoi(argv[2]);
    int LDB   = atoi(argv[3]);
    double eps;
    int info_solution;
    int i,j;
    int LDAxN = LDA*N;
    int LDBxNRHS = LDB*NRHS;

    PLASMA_Complex64_t *A1 = (PLASMA_Complex64_t *)malloc(LDA*N*(sizeof*A1));
    PLASMA_Complex64_t *A2 = (PLASMA_Complex64_t *)malloc(LDA*N*(sizeof*A2));
    PLASMA_Complex64_t *B1 = (PLASMA_Complex64_t *)malloc(LDB*NRHS*(sizeof*B1));
    PLASMA_Complex64_t *B2 = (PLASMA_Complex64_t *)malloc(LDB*NRHS*(sizeof*B2));
    PLASMA_Complex64_t *L;
    int *IPIV;

    /* Check if unable to allocate memory */
    if ( (!A1) || (!A2)|| (!B1) || (!B2) ) {
        printf("Out of Memory \n ");
        return -2;
    }

    eps = BLAS_dfpinfo(blas_eps);

    /*----------------------------------------------------------
    *  TESTING ZGESV
    */

    /* Initialize A1 and A2 Matrix */
    LAPACKE_zlarnv_work(IONE, ISEED, LDAxN, A1);
    for ( i = 0; i < N; i++)
        for (  j = 0; j < N; j++)
            A2[LDA*j+i] = A1[LDA*j+i];

    /* Initialize B1 and B2 */
    LAPACKE_zlarnv_work(IONE, ISEED, LDBxNRHS, B1);
    for ( i = 0; i < N; i++)
        for ( j = 0; j < NRHS; j++)
            B2[LDB*j+i] = B1[LDB*j+i];

    /* PLASMA ZGESV */
    PLASMA_Alloc_Workspace_zgesv_incpiv(N, &L, &IPIV);
    PLASMA_zgesv_incpiv(N, NRHS, A2, LDA, L, IPIV, B2, LDB);

    printf("\n");
    printf("------ TESTS FOR PLASMA INCPIV ZGESV ROUTINE -------  \n");
    printf("            Size of the Matrix %d by %d\n", N, N);
    printf("\n");
    printf(" The matrix A is randomly generated for each test.\n");
    printf("============\n");
    printf(" The relative machine precision (eps) is to be %e \n", eps);
    printf(" Computational tests pass if scaled residuals are less than 60.\n");

    /* Check the factorization and the solution */
    info_solution = check_solution(N, NRHS, A1, LDA, B1, B2, LDB, eps);

    if ((info_solution == 0)){
        printf("***************************************************\n");
        printf(" ---- TESTING INCPIV ZGESV ............... PASSED !\n");
        printf("***************************************************\n");
    }
    else{
        printf("************************************************\n");
        printf(" - TESTING INCPIV ZGESV ... FAILED !\n");
        printf("************************************************\n");
    }

    /*-------------------------------------------------------------
    *  TESTING ZGETRF + ZGETRS
    */

    /* Initialize A1 and A2  */
    LAPACKE_zlarnv_work(IONE, ISEED, LDAxN, A1);
    for ( i = 0; i < N; i++)
        for (  j = 0; j < N; j++)
            A2[LDA*j+i] = A1[LDA*j+i];

    /* Initialize B1 and B2 */
    LAPACKE_zlarnv_work(IONE, ISEED, LDBxNRHS, B1);
    for ( i = 0; i < N; i++)
        for ( j = 0; j < NRHS; j++)
            B2[LDB*j+i] = B1[LDB*j+i];

    /* Plasma routines */
    PLASMA_zgetrf_incpiv(N, N, A2, LDA, L, IPIV);
    PLASMA_zgetrs_incpiv(PlasmaNoTrans, N, NRHS, A2, LDA, L, IPIV, B2, LDB);

    printf("\n");
    printf("------ TESTS FOR PLASMA ZGETRF + ZGETRS ROUTINE -------  \n");
    printf("            Size of the Matrix %d by %d\n", N, N);
    printf("\n");
    printf(" The matrix A is randomly generated for each test.\n");
    printf("============\n");
    printf(" The relative machine precision (eps) is to be %e \n", eps);
    printf(" Computational tests pass if scaled residuals are less than 60.\n");

    /* Check the solution */
    info_solution = check_solution(N, NRHS, A1, LDA, B1, B2, LDB, eps);

    if ((info_solution == 0)){
        printf("***************************************************\n");
        printf(" ---- TESTING INCPIV ZGETRF + ZGETRS ..... PASSED !\n");
        printf("***************************************************\n");
    }
    else{
        printf("***************************************************\n");
        printf(" - TESTING INCPIV ZGETRF + ZGETRS ... FAILED !\n");
        printf("***************************************************\n");
    }

    /*-------------------------------------------------------------
    *  TESTING ZGETRF + ZTRSMPL + ZTRSM
    */

    /* Initialize A1 and A2  */
    LAPACKE_zlarnv_work(IONE, ISEED, LDAxN, A1);
    for ( i = 0; i < N; i++)
        for (  j = 0; j < N; j++)
            A2[LDA*j+i] = A1[LDA*j+i];

    /* Initialize B1 and B2 */
    LAPACKE_zlarnv_work(IONE, ISEED, LDBxNRHS, B1);
    for ( i = 0; i < N; i++)
        for ( j = 0; j < NRHS; j++)
            B2[LDB*j+i] = B1[LDB*j+i];

    /* PLASMA routines */
    PLASMA_zgetrf_incpiv(N, N, A2, LDA, L, IPIV);
    PLASMA_ztrsmpl(N, NRHS, A2, LDA, L, IPIV, B2, LDB);
    PLASMA_ztrsm(PlasmaLeft, PlasmaUpper, PlasmaNoTrans, PlasmaNonUnit,
                 N, NRHS, 1.0, A2, LDA, B2, LDB);

    printf("\n");
    printf("------ TESTS FOR PLASMA INCPIV ZGETRF + ZTRSMPL + ZTRSM  ROUTINE -------  \n");
    printf("            Size of the Matrix %d by %d\n", N, N);
    printf("\n");
    printf(" The matrix A is randomly generated for each test.\n");
    printf("============\n");
    printf(" The relative machine precision (eps) is to be %e \n", eps);
    printf(" Computational tests pass if scaled residuals are less than 60.\n");

    /* Check the solution */
    info_solution = check_solution(N, NRHS, A1, LDA, B1, B2, LDB, eps);

    if ((info_solution == 0)){
        printf("***************************************************\n");
        printf(" ---- TESTING INCPIV ZGETRF + ZTRSMPL + ZTRSM ... PASSED !\n");
        printf("***************************************************\n");
    }
    else{
        printf("**************************************************\n");
        printf(" - TESTING INCPIV ZGETRF + ZTRSMPL + ZTRSM ... FAILED !\n");
        printf("**************************************************\n");
    }

    free(A1); free(A2); free(B1); free(B2); free(IPIV); free(L);

    return 0;
}
Exemple #3
0
void PLASMA_ZTRSMPL(int *N, int *NRHS, PLASMA_Complex64_t *A, int *LDA, PLASMA_Complex64_t **LH, int **IPIVH, PLASMA_Complex64_t *B, int *LDB, int *INFO)
{   *INFO = PLASMA_ztrsmpl(*N, *NRHS, A, *LDA, *LH, *IPIVH, B, *LDB); }