// -*- c -*-
//
// PSPP - a program for statistical analysis.
-// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
no_opt perm_only function LAG (num_var v, pos_int n_before)
dataset ds;
{
- struct ccase *c = lagged_case (ds, n_before);
+ const struct ccase *c = lagged_case (ds, n_before);
if (c != NULL)
{
double x = case_num (c, v);
no_opt perm_only function LAG (num_var v)
dataset ds;
{
- struct ccase *c = lagged_case (ds, 1);
+ const struct ccase *c = lagged_case (ds, 1);
if (c != NULL)
{
double x = case_num (c, v);
expression e;
dataset ds;
{
- struct ccase *c = lagged_case (ds, n_before);
+ const struct ccase *c = lagged_case (ds, n_before);
if (c != NULL)
return copy_string (e, case_str (c, v), var_get_width (v));
else
expression e;
dataset ds;
{
- struct ccase *c = lagged_case (ds, 1);
+ const struct ccase *c = lagged_case (ds, 1);
if (c != NULL)
return copy_string (e, case_str (c, v), var_get_width (v));
else