testing_sgesv.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <plasma.h>
#include <cblas.h>
#include <lapacke.h>
#include <core_blas.h>
#include "testing_smain.h"

Include dependency graph for testing_sgesv.c:

Go to the source code of this file.

Enumerations
enum	blas_order_type {   blas_rowmajor = 101, blas_colmajor = 102, blas_rowmajor = 101, blas_colmajor = 102,   blas_rowmajor = 101, blas_colmajor = 102, blas_rowmajor = 101, blas_colmajor = 102,   blas_rowmajor = 101, blas_colmajor = 102, blas_rowmajor = 101, blas_colmajor = 102,   blas_rowmajor = 101, blas_colmajor = 102, blas_rowmajor = 101, blas_colmajor = 102,   blas_rowmajor = 101, blas_colmajor = 102, blas_rowmajor = 101, blas_colmajor = 102,   blas_rowmajor = 101, blas_colmajor = 102, blas_rowmajor = 101, blas_colmajor = 102,   blas_rowmajor = 101, blas_colmajor = 102, blas_rowmajor = 101, blas_colmajor = 102,   blas_rowmajor = 101, blas_colmajor = 102, blas_rowmajor = 101, blas_colmajor = 102,   blas_rowmajor = 101, blas_colmajor = 102 }
enum	blas_cmach_type {   blas_base = 151, blas_t = 152, blas_rnd = 153, blas_ieee = 154,   blas_emin = 155, blas_emax = 156, blas_eps = 157, blas_prec = 158,   blas_underflow = 159, blas_overflow = 160, blas_sfmin = 161, blas_base = 151,   blas_t = 152, blas_rnd = 153, blas_ieee = 154, blas_emin = 155,   blas_emax = 156, blas_eps = 157, blas_prec = 158, blas_underflow = 159,   blas_overflow = 160, blas_sfmin = 161, blas_base = 151, blas_t = 152,   blas_rnd = 153, blas_ieee = 154, blas_emin = 155, blas_emax = 156,   blas_eps = 157, blas_prec = 158, blas_underflow = 159, blas_overflow = 160,   blas_sfmin = 161, blas_base = 151, blas_t = 152, blas_rnd = 153,   blas_ieee = 154, blas_emin = 155, blas_emax = 156, blas_eps = 157,   blas_prec = 158, blas_underflow = 159, blas_overflow = 160, blas_sfmin = 161,   blas_base = 151, blas_t = 152, blas_rnd = 153, blas_ieee = 154,   blas_emin = 155, blas_emax = 156, blas_eps = 157, blas_prec = 158,   blas_underflow = 159, blas_overflow = 160, blas_sfmin = 161, blas_base = 151,   blas_t = 152, blas_rnd = 153, blas_ieee = 154, blas_emin = 155,   blas_emax = 156, blas_eps = 157, blas_prec = 158, blas_underflow = 159,   blas_overflow = 160, blas_sfmin = 161, blas_base = 151, blas_t = 152,   blas_rnd = 153, blas_ieee = 154, blas_emin = 155, blas_emax = 156,   blas_eps = 157, blas_prec = 158, blas_underflow = 159, blas_overflow = 160,   blas_sfmin = 161, blas_base = 151, blas_t = 152, blas_rnd = 153,   blas_ieee = 154, blas_emin = 155, blas_emax = 156, blas_eps = 157,   blas_prec = 158, blas_underflow = 159, blas_overflow = 160, blas_sfmin = 161,   blas_base = 151, blas_t = 152, blas_rnd = 153, blas_ieee = 154,   blas_emin = 155, blas_emax = 156, blas_eps = 157, blas_prec = 158,   blas_underflow = 159, blas_overflow = 160, blas_sfmin = 161, blas_base = 151,   blas_t = 152, blas_rnd = 153, blas_ieee = 154, blas_emin = 155,   blas_emax = 156, blas_eps = 157, blas_prec = 158, blas_underflow = 159,   blas_overflow = 160, blas_sfmin = 161, blas_base = 151, blas_t = 152,   blas_rnd = 153, blas_ieee = 154, blas_emin = 155, blas_emax = 156,   blas_eps = 157, blas_prec = 158, blas_underflow = 159, blas_overflow = 160,   blas_sfmin = 161, blas_base = 151, blas_t = 152, blas_rnd = 153,   blas_ieee = 154, blas_emin = 155, blas_emax = 156, blas_eps = 157,   blas_prec = 158, blas_underflow = 159, blas_overflow = 160, blas_sfmin = 161,   blas_base = 151, blas_t = 152, blas_rnd = 153, blas_ieee = 154,   blas_emin = 155, blas_emax = 156, blas_eps = 157, blas_prec = 158,   blas_underflow = 159, blas_overflow = 160, blas_sfmin = 161, blas_base = 151,   blas_t = 152, blas_rnd = 153, blas_ieee = 154, blas_emin = 155,   blas_emax = 156, blas_eps = 157, blas_prec = 158, blas_underflow = 159,   blas_overflow = 160, blas_sfmin = 161, blas_base = 151, blas_t = 152,   blas_rnd = 153, blas_ieee = 154, blas_emin = 155, blas_emax = 156,   blas_eps = 157, blas_prec = 158, blas_underflow = 159, blas_overflow = 160,   blas_sfmin = 161, blas_base = 151, blas_t = 152, blas_rnd = 153,   blas_ieee = 154, blas_emin = 155, blas_emax = 156, blas_eps = 157,   blas_prec = 158, blas_underflow = 159, blas_overflow = 160, blas_sfmin = 161,   blas_base = 151, blas_t = 152, blas_rnd = 153, blas_ieee = 154,   blas_emin = 155, blas_emax = 156, blas_eps = 157, blas_prec = 158,   blas_underflow = 159, blas_overflow = 160, blas_sfmin = 161 }
enum	blas_norm_type {   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178,   blas_one_norm = 171, blas_real_one_norm = 172, blas_two_norm = 173, blas_frobenius_norm = 174,   blas_inf_norm = 175, blas_real_inf_norm = 176, blas_max_norm = 177, blas_real_max_norm = 178 }

Functions
int	testing_sgesv (int argc, char **argv)

---

Detailed Description

PLASMA testing routines PLASMA is a software package provided by Univ. of Tennessee, Univ. of California Berkeley and Univ. of Colorado Denver

Version:

2.4.5

Author:

Bilel Hadri

Hatem Ltaief

Matheiu Faverge

Date:

2010-11-15 s Tue Nov 22 14:35:48 2011

Definition in file testing_sgesv.c.

---

Enumeration Type Documentation

enum blas_cmach_type

Enumerator:

blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin
blas_base
blas_t
blas_rnd
blas_ieee
blas_emin
blas_emax
blas_eps
blas_prec
blas_underflow
blas_overflow
blas_sfmin

Definition at line 32 of file testing_sgesv.c.

                     {
            blas_base      = 151,
            blas_t         = 152,
            blas_rnd       = 153,
            blas_ieee      = 154,
            blas_emin      = 155,
            blas_emax      = 156,
            blas_eps       = 157,
            blas_prec      = 158,
            blas_underflow = 159,
            blas_overflow  = 160,
            blas_sfmin     = 161};

enum blas_norm_type

Enumerator:

blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm
blas_one_norm
blas_real_one_norm
blas_two_norm
blas_frobenius_norm
blas_inf_norm
blas_real_inf_norm
blas_max_norm
blas_real_max_norm

Definition at line 45 of file testing_sgesv.c.

                    {
            blas_one_norm       = 171,
            blas_real_one_norm  = 172,
            blas_two_norm       = 173,
            blas_frobenius_norm = 174,
            blas_inf_norm       = 175,
            blas_real_inf_norm  = 176,
            blas_max_norm       = 177,
            blas_real_max_norm  = 178 };

enum blas_order_type

Enumerator:

blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor
blas_rowmajor
blas_colmajor

Definition at line 28 of file testing_sgesv.c.

                     {
            blas_rowmajor = 101,
            blas_colmajor = 102 };

---

Function Documentation

int testing_sgesv	(	int	argc,
		char **	argv
	)

Definition at line 155 of file testing_sgesv.c.

References blas_eps, check_solution(), IONE, IPIV, ISEED, PLASMA_sgesv(), PLASMA_sgetrf(), PLASMA_sgetrs, PLASMA_slaswp(), PLASMA_strsm(), PlasmaLeft, PlasmaLower, PlasmaNonUnit, PlasmaNoTrans, PlasmaUnit, PlasmaUpper, and USAGE.

{
    /* Check for valid arguments*/
    if (argc != 4){
        USAGE("GESV", "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]);
    float eps;
    int info_solution;
    int i,j;
    int LDAxN = LDA*N;
    int LDBxNRHS = LDB*NRHS;

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

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

    eps = BLAS_sfpinfo(blas_eps);

    /*----------------------------------------------------------
    *  TESTING SGESV
    */

    /* Initialize A1 and A2 Matrix */
    LAPACKE_slarnv_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_slarnv_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 SGESV */
    PLASMA_sgesv(N, NRHS, A2, LDA, IPIV, B2, LDB);

    printf("\n");
    printf("------ TESTS FOR PLASMA SGESV 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 SGESV ...................... PASSED !\n");
        printf("***************************************************\n");
    }
    else{
        printf("************************************************\n");
        printf(" - TESTING SGESV ... FAILED !\n");
        printf("************************************************\n");
    }

    /*-------------------------------------------------------------
    *  TESTING SGETRF + SGETRS
    */

    /* Initialize A1 and A2  */
    LAPACKE_slarnv_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_slarnv_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_sgetrf(N, N, A2, LDA, IPIV);
    PLASMA_sgetrs(PlasmaNoTrans, N, NRHS, A2, LDA, IPIV, B2, LDB);

    printf("\n");
    printf("------ TESTS FOR PLASMA SGETRF + SGETRS 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 SGETRF + SGETRS ............ PASSED !\n");
        printf("***************************************************\n");
    }
    else{
        printf("***************************************************\n");
        printf(" - TESTING SGETRF + SGETRS ... FAILED !\n");
        printf("***************************************************\n");
    }

    /*-------------------------------------------------------------
    *  TESTING SGETRF + STRSMPL + STRSM
    */

    /* Initialize A1 and A2  */
    LAPACKE_slarnv_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_slarnv_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_sgetrf(N, N, A2, LDA, IPIV);
    PLASMA_slaswp(NRHS, B2, LDB, 1, N, IPIV, 1);
    PLASMA_strsm(PlasmaLeft, PlasmaLower, PlasmaNoTrans, PlasmaUnit,
                 N, NRHS, 1.0, A2, LDA, B2, LDB);
    PLASMA_strsm(PlasmaLeft, PlasmaUpper, PlasmaNoTrans, PlasmaNonUnit,
                 N, NRHS, 1.0, A2, LDA, B2, LDB);

    printf("\n");
    printf("------ TESTS FOR PLASMA SGETRF + SLASWP + STRSM + STRSM  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 SGETRF + SLASWP + STRSM + STRSM ... PASSED !\n");
        printf("***************************************************\n");
    }
    else{
        printf("**************************************************\n");
        printf(" - TESTING SGETRF + SLASWP + STRSM + STRSM ... FAILED !\n");
        printf("**************************************************\n");
    }

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

    return 0;
}

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