lapack_int LAPACKE_ctrsen	(	int	matrix_layout,
		char	job,
		char	compq,
		const lapack_logical *	select,
		lapack_int	n,
		lapack_complex_float *	t,
		lapack_int	ldt,
		lapack_complex_float *	q,
		lapack_int	ldq,
		lapack_complex_float *	w,
		lapack_int *	m,
		float *	s,
		float *	sep
	)

Definition at line 36 of file lapacke_ctrsen.c.

{
    lapack_int info = 0;
    lapack_int lwork = -1;
    lapack_complex_float* work = NULL;
    lapack_complex_float work_query;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_ctrsen", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_lsame( compq, 'v' ) ) {
        if( LAPACKE_cge_nancheck( matrix_layout, n, n, q, ldq ) ) {
            return -8;
        }
    }
    if( LAPACKE_cge_nancheck( matrix_layout, n, n, t, ldt ) ) {
        return -6;
    }
#endif
    /* Query optimal working array(s) size */
    info = LAPACKE_ctrsen_work( matrix_layout, job, compq, select, n, t, ldt, q,
                                ldq, w, m, s, sep, &work_query, lwork );
    if( info != 0 ) {
        goto exit_level_0;
    }
    lwork = LAPACK_C2INT( work_query );
    /* Allocate memory for work arrays */
    work = (lapack_complex_float*)
        LAPACKE_malloc( sizeof(lapack_complex_float) * lwork );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_ctrsen_work( matrix_layout, job, compq, select, n, t, ldt, q,
                                ldq, w, m, s, sep, work, lwork );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_ctrsen", info );
    }
    return info;
}

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