LAPACKE_dgglse()

lapack_int LAPACKE_dgglse	(	int	matrix_layout,
		lapack_int	m,
		lapack_int	n,
		lapack_int	p,
		double *	a,
		lapack_int	lda,
		double *	b,
		lapack_int	ldb,
		double *	c,
		double *	d,
		double *	x
	)

Definition at line 35 of file lapacke_dgglse.c.

{
    lapack_int info = 0;
    lapack_int lwork = -1;
    double* work = NULL;
    double work_query;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dgglse", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_dge_nancheck( matrix_layout, m, n, a, lda ) ) {
            return -5;
        }
        if( LAPACKE_dge_nancheck( matrix_layout, p, n, b, ldb ) ) {
            return -7;
        }
        if( LAPACKE_d_nancheck( m, c, 1 ) ) {
            return -9;
        }
        if( LAPACKE_d_nancheck( p, d, 1 ) ) {
            return -10;
        }
    }
#endif
    /* Query optimal working array(s) size */
    info = LAPACKE_dgglse_work( matrix_layout, m, n, p, a, lda, b, ldb, c, d, x,
                                &work_query, lwork );
    if( info != 0 ) {
        goto exit_level_0;
    }
    lwork = (lapack_int)work_query;
    /* Allocate memory for work arrays */
    work = (double*)LAPACKE_malloc( sizeof(double) * lwork );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_dgglse_work( matrix_layout, m, n, p, a, lda, b, ldb, c, d, x,
                                work, lwork );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dgglse", info );
    }
    return info;

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