lapack_int LAPACKE_dspev	(	int	matrix_layout,
		char	jobz,
		char	uplo,
		lapack_int	n,
		double *	ap,
		double *	w,
		double *	z,
		lapack_int	ldz
	)

Definition at line 36 of file lapacke_dspev.c.

{
    lapack_int info = 0;
    double* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_dspev", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_dsp_nancheck( n, ap ) ) {
        return -5;
    }
#endif
    /* Allocate memory for working array(s) */
    work = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,3*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_dspev_work( matrix_layout, jobz, uplo, n, ap, w, z, ldz,
                               work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_dspev", info );
    }
    return info;
}

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