1 /* PSPP - a program for statistical analysis. 2 Copyright (C) 2004, 2015 Free Software Foundation, Inc. 3 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. 8 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. 13 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/>. */ 16 17 18 #ifndef CHART_GEOMETRY_H 19 #define CHART_GEOMETRY_H 20 21 void chart_get_scale (double high, double low, 22 double *lower, double *interval, int *n_ticks); 23 24 char * 25 chart_get_ticks_format (const double lower, const double interval, const unsigned int nticks, 26 double *scale); 27 28 #endif 29