1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2004 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
18 #ifndef CHART_GEOMETRY_H
19 #define CHART_GEOMETRY_H
22 void chart_rounded_tick (double tick, struct decimal *);
24 void chart_get_scale (double high, double low,
25 struct decimal *lower, struct decimal *interval, int *n_ticks);