lapack_int LAPACKE_ztftri_work	(	int	matrix_layout,
		char	transr,
		char	uplo,
		char	diag,
		lapack_int	n,
		lapack_complex_double *	a
	)

Definition at line 36 of file lapacke_ztftri_work.c.

{
    lapack_int info = 0;
    if( matrix_layout == LAPACK_COL_MAJOR ) {
        /* Call LAPACK function and adjust info */
        LAPACK_ztftri( &transr, &uplo, &diag, &n, a, &info );
        if( info < 0 ) {
            info = info - 1;
        }
    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
        lapack_complex_double* a_t = NULL;
        /* Allocate memory for temporary array(s) */
        a_t = (lapack_complex_double*)
            LAPACKE_malloc( sizeof(lapack_complex_double) *
                            ( MAX(1,n) * MAX(2,n+1) ) / 2 );
        if( a_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_0;
        }
        /* Transpose input matrices */
        LAPACKE_ztf_trans( matrix_layout, transr, uplo, diag, n, a, a_t );
        /* Call LAPACK function and adjust info */
        LAPACK_ztftri( &transr, &uplo, &diag, &n, a_t, &info );
        if( info < 0 ) {
            info = info - 1;
        }
        /* Transpose output matrices */
        LAPACKE_ztf_trans( LAPACK_COL_MAJOR, transr, uplo, diag, n, a_t, a );
        /* Release memory and exit */
        LAPACKE_free( a_t );
exit_level_0:
        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
            LAPACKE_xerbla( "LAPACKE_ztftri_work", info );
        }
    } else {
        info = -1;
        LAPACKE_xerbla( "LAPACKE_ztftri_work", info );
    }
    return info;
}

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