time_zposv_tile.c 2.4 KB
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/**
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 *
 * @file time_zposv_tile.c
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 *
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 * @copyright 2009-2014 The University of Tennessee and The University of
 *                      Tennessee Research Foundation. All rights reserved.
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 * @copyright 2012-2018 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria,
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 *                      Univ. Bordeaux. All rights reserved.
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 *
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 ***
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 *
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 * @version 1.0.0
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 * @precisions normal z -> c d s
 *
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 */
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#define _TYPE  CHAMELEON_Complex64_t
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#define _PREC  double
#define _LAMCH LAPACKE_dlamch_work

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#define _NAME  "CHAMELEON_zposv_Tile"
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/* See Lawn 41 page 120 */
#define _FMULS (FMULS_POTRF( N ) + FMULS_POTRS( N, NRHS ))
#define _FADDS (FADDS_POTRF( N ) + FADDS_POTRS( N, NRHS ))

#include "./timing.c"

static int
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RunTest(int *iparam, double *dparam, chameleon_time_t *t_)
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{
    PASTE_CODE_IPARAM_LOCALS( iparam );
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    cham_uplo_t uplo = ChamUpper;
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    LDA = chameleon_max(LDA, N);
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    /* Allocate Data */
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    PASTE_CODE_ALLOCATE_MATRIX_TILE( descA, 1,      CHAMELEON_Complex64_t, ChamComplexDouble, LDA, N, N );
    PASTE_CODE_ALLOCATE_MATRIX_TILE( descX, 1,      CHAMELEON_Complex64_t, ChamComplexDouble, LDB, N, NRHS );
    PASTE_CODE_ALLOCATE_MATRIX_TILE( descAC, check, CHAMELEON_Complex64_t, ChamComplexDouble, LDA, N, N );
    PASTE_CODE_ALLOCATE_MATRIX_TILE( descB,  check, CHAMELEON_Complex64_t, ChamComplexDouble, LDB, N, NRHS );
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    /* Initialize data and save A and B if check */
    CHAMELEON_zplrnt_Tile( descX, 7672 );
    if ( check ) {
        CHAMELEON_zplghe_Tile( (double)N, ChamUpperLower, descAC, 51 );
        CHAMELEON_zlacpy_Tile( uplo, descAC, descA );
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        CHAMELEON_zlacpy_Tile( ChamUpperLower, descX, descB );
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    }
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    else {
        CHAMELEON_zplghe_Tile( (double)N, uplo, descA, 51 );
    }

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    /* CHAMELEON ZPOSV */
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    START_TIMING();
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    CHAMELEON_zposv_Tile( uplo, descA, descX );
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    STOP_TIMING();

    /* Check the solution */
    if (check)
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    {
        dparam[IPARAM_ANORM] = CHAMELEON_zlange_Tile( ChamInfNorm, descAC );
        dparam[IPARAM_BNORM] = CHAMELEON_zlange_Tile( ChamInfNorm, descB  );
        dparam[IPARAM_XNORM] = CHAMELEON_zlange_Tile( ChamInfNorm, descX  );

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        CHAMELEON_zgemm_Tile( ChamNoTrans, ChamNoTrans, 1.0, descAC, descX, -1.0, descB );
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        dparam[IPARAM_RES] = CHAMELEON_zlange_Tile( ChamInfNorm, descB );

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        PASTE_CODE_FREE_MATRIX( descAC );
        PASTE_CODE_FREE_MATRIX( descB  );
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    }
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    PASTE_CODE_FREE_MATRIX( descA );
    PASTE_CODE_FREE_MATRIX( descX );
    return 0;
}