LAPACKE_zpbcon_work()

lapack_int LAPACKE_zpbcon_work	(	int	matrix_layout,
		char	uplo,
		lapack_int	n,
		lapack_int	kd,
		const lapack_complex_double *	ab,
		lapack_int	ldab,
		double	anorm,
		double *	rcond,
		lapack_complex_double *	work,
		double *	rwork
	)

Definition at line 35 of file lapacke_zpbcon_work.c.

{
    lapack_int info = 0;
    if( matrix_layout == LAPACK_COL_MAJOR ) {
        /* Call LAPACK function and adjust info */
        LAPACK_zpbcon( &uplo, &n, &kd, ab, &ldab, &anorm, rcond, work, rwork,
                       &info );
        if( info < 0 ) {
            info = info - 1;
        }
    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
        lapack_int ldab_t = MAX(1,kd+1);
        lapack_complex_double* ab_t = NULL;
        /* Check leading dimension(s) */
        if( ldab < n ) {
            info = -6;
            LAPACKE_xerbla( "LAPACKE_zpbcon_work", info );
            return info;
        }
        /* Allocate memory for temporary array(s) */
        ab_t = (lapack_complex_double*)
            LAPACKE_malloc( sizeof(lapack_complex_double) * ldab_t * MAX(1,n) );
        if( ab_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_0;
        }
        /* Transpose input matrices */
        LAPACKE_zpb_trans( matrix_layout, uplo, n, kd, ab, ldab, ab_t, ldab_t );
        /* Call LAPACK function and adjust info */
        LAPACK_zpbcon( &uplo, &n, &kd, ab_t, &ldab_t, &anorm, rcond, work,
                       rwork, &info );
        if( info < 0 ) {
            info = info - 1;
        }
        /* Release memory and exit */
        LAPACKE_free( ab_t );
exit_level_0:
        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
            LAPACKE_xerbla( "LAPACKE_zpbcon_work", info );
        }
    } else {
        info = -1;
        LAPACKE_xerbla( "LAPACKE_zpbcon_work", info );
    }
    return info;

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