LAPACKE_dtpcon_work()

lapack_int LAPACKE_dtpcon_work	(	int	matrix_layout,
		char	norm,
		char	uplo,
		char	diag,
		lapack_int	n,
		const double *	ap,
		double *	rcond,
		double *	work,
		lapack_int *	iwork
	)

Definition at line 35 of file lapacke_dtpcon_work.c.

{
    lapack_int info = 0;
    if( matrix_layout == LAPACK_COL_MAJOR ) {
        /* Call LAPACK function and adjust info */
        LAPACK_dtpcon( &norm, &uplo, &diag, &n, ap, rcond, work, iwork, &info );
        if( info < 0 ) {
            info = info - 1;
        }
    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
        double* ap_t = NULL;
        /* Allocate memory for temporary array(s) */
        ap_t = (double*)
            LAPACKE_malloc( sizeof(double) * ( MAX(1,n) * MAX(2,n+1) ) / 2 );
        if( ap_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_0;
        }
        /* Transpose input matrices */
        LAPACKE_dtp_trans( matrix_layout, uplo, diag, n, ap, ap_t );
        /* Call LAPACK function and adjust info */
        LAPACK_dtpcon( &norm, &uplo, &diag, &n, ap_t, rcond, work, iwork,
                       &info );
        if( info < 0 ) {
            info = info - 1;
        }
        /* Release memory and exit */
        LAPACKE_free( ap_t );
exit_level_0:
        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
            LAPACKE_xerbla( "LAPACKE_dtpcon_work", info );
        }
    } else {
        info = -1;
        LAPACKE_xerbla( "LAPACKE_dtpcon_work", info );
    }
    return info;

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