testing_strsm.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"

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Macros
#define	REAL

Functions
int	testing_strsm (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:

Mathieu Faverge

Date:

2010-11-15 s Tue Nov 22 14:35:50 2011

Definition in file testing_strsm.c.

---

Macro Definition Documentation

#define REAL

Definition at line 27 of file testing_strsm.c.

---

Function Documentation

int testing_strsm	(	int	argc,
		char **	argv
	)

Definition at line 34 of file testing_strsm.c.

References A, B, cblas_saxpy(), cblas_strsm(), CblasColMajor, check_solution(), diag, diagstr, IONE, ISEED, lapack_const, max, PLASMA_strsm(), PlasmaInfNorm, PlasmaLeft, side, sidestr, trans, transstr, uplo, uplostr, and USAGE.

{
    /* Check for number of arguments*/
    if ( argc != 5 ) {
        USAGE("TRSM", "alpha M N LDA LDB",
              "   - alpha  : alpha coefficient\n"
              "   - M      : number of rows of matrices B\n"
              "   - N      : number of columns of matrices B\n"
              "   - LDA    : leading dimension of matrix A\n"
              "   - LDB    : leading dimension of matrix B\n");
        return -1;
    }

    float alpha = (float) atol(argv[0]);
    int M     = atoi(argv[1]);
    int N     = atoi(argv[2]);
    int LDA   = atoi(argv[3]);
    int LDB   = atoi(argv[4]);

    float eps;
    int info_solution;
    int s, u, t, d, i;
    int LDAxM = LDA*max(M,N);
    int LDBxN = LDB*max(M,N);

    float *A      = (float *)malloc(LDAxM*sizeof(float));
    float *B      = (float *)malloc(LDBxN*sizeof(float));
    float *Binit  = (float *)malloc(LDBxN*sizeof(float));
    float *Bfinal = (float *)malloc(LDBxN*sizeof(float));

    /* Check if unable to allocate memory */
    if ( (!A) || (!B) || (!Binit) || (!Bfinal)){
        printf("Out of Memory \n ");
        return -2;
    }

    eps = LAPACKE_slamch_work('e');

    printf("\n");
    printf("------ TESTS FOR PLASMA STRSM ROUTINE -------  \n");
    printf("            Size of the Matrix B : %d by %d\n", M, 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 10.\n");

    /*----------------------------------------------------------
     *  TESTING STRSM
     */

    /* Initialize A, B, C */
    LAPACKE_slarnv_work(IONE, ISEED, LDAxM, A);
    LAPACKE_slarnv_work(IONE, ISEED, LDBxN, B);
    for(i=0;i<max(M,N);i++)
      A[LDA*i+i] = A[LDA*i+i] + 2.0;

    for (s=0; s<2; s++) {
        for (u=0; u<2; u++) {
#ifdef COMPLEX
            for (t=0; t<3; t++) {
#else
            for (t=0; t<2; t++) {
#endif
                for (d=0; d<2; d++) {

                    memcpy(Binit,  B, LDBxN*sizeof(float));
                    memcpy(Bfinal, B, LDBxN*sizeof(float));

                    /* PLASMA STRSM */
                    PLASMA_strsm(side[s], uplo[u], trans[t], diag[d],
                                 M, N, alpha, A, LDA, Bfinal, LDB);

                    /* Check the solution */
                    info_solution = check_solution(side[s], uplo[u], trans[t], diag[d],
                                                   M, N, alpha, A, LDA, Binit, Bfinal, LDB);

                    printf("***************************************************\n");
                    if (info_solution == 0) {
                        printf(" ---- TESTING STRSM (%s, %s, %s, %s) ...... PASSED !\n",
                               sidestr[s], uplostr[u], transstr[t], diagstr[d]);
                    }
                    else {
                        printf(" ---- TESTING STRSM (%s, %s, %s, %s) ... FAILED !\n",
                               sidestr[s], uplostr[u], transstr[t], diagstr[d]);
                    }
                    printf("***************************************************\n");
                }
            }
        }
    }

    free(A); free(B);
    free(Binit); free(Bfinal);

    return 0;
}

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