LAPACKE_zgbsvxx()

lapack_int LAPACKE_zgbsvxx	(	int	matrix_layout,
		char	fact,
		char	trans,
		lapack_int	n,
		lapack_int	kl,
		lapack_int	ku,
		lapack_int	nrhs,
		lapack_complex_double *	ab,
		lapack_int	ldab,
		lapack_complex_double *	afb,
		lapack_int	ldafb,
		lapack_int *	ipiv,
		char *	equed,
		double *	r,
		double *	c,
		lapack_complex_double *	b,
		lapack_int	ldb,
		lapack_complex_double *	x,
		lapack_int	ldx,
		double *	rcond,
		double *	rpvgrw,
		double *	berr,
		lapack_int	n_err_bnds,
		double *	err_bnds_norm,
		double *	err_bnds_comp,
		lapack_int	nparams,
		double *	params
	)

Definition at line 35 of file lapacke_zgbsvxx.c.

{
    lapack_int info = 0;
    double* rwork = NULL;
    lapack_complex_double* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_zgbsvxx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_zgb_nancheck( matrix_layout, n, n, kl, ku, ab, ldab ) ) {
            return -8;
        }
        if( LAPACKE_lsame( fact, 'f' ) ) {
            if( LAPACKE_zgb_nancheck( matrix_layout, n, n, kl, kl+ku, afb,
                ldafb ) ) {
                return -10;
            }
        }
        if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
            return -16;
        }
        if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
            LAPACKE_lsame( *equed, 'c' ) ) ) {
            if( LAPACKE_d_nancheck( n, c, 1 ) ) {
                return -15;
            }
        }
        if( nparams>0 ) {
            if( LAPACKE_d_nancheck( nparams, params, 1 ) ) {
                return -27;
            }
        }
        if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
            LAPACKE_lsame( *equed, 'r' ) ) ) {
            if( LAPACKE_d_nancheck( n, r, 1 ) ) {
                return -14;
            }
        }
    }
#endif
    /* Allocate memory for working array(s) */
    rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
    if( rwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (lapack_complex_double*)
        LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_zgbsvxx_work( matrix_layout, fact, trans, n, kl, ku, nrhs, ab,
                                 ldab, afb, ldafb, ipiv, equed, r, c, b, ldb, x,
                                 ldx, rcond, rpvgrw, berr, n_err_bnds,
                                 err_bnds_norm, err_bnds_comp, nparams, params,
                                 work, rwork );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_1:
    LAPACKE_free( rwork );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_zgbsvxx", info );
    }
    return info;

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