replaced decimal module, xrchart_scale with autoformat, histogram x-axis ticks changed.

[pspp] / src / math / chart-geometry.h

diff --git a/src/math/chart-geometry.h b/src/math/chart-geometry.h
index b87da4d67e6345b737f80ea3801151ee53c55025..3d3955e75eadbe51ca692a4e5bffe5950b95c95e 100644 (file)
--- a/src/math/chart-geometry.h
+++ b/src/math/chart-geometry.h
@@ -1,25 +1,28 @@
-/* PSPP - computes sample statistics.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2004, 2015 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 the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   This program is distributed in the hope that it will be useful, but
-   WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301, USA. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 
 #ifndef CHART_GEOMETRY_H
 #define CHART_GEOMETRY_H
 
-double chart_rounded_tick(double tick);
+void chart_get_scale (double high, double low,
+                     double *lower, double *interval, int *n_ticks);
+
+char *
+chart_get_ticks_format (const double lower, const double interval, const unsigned int nticks,
+                       double *scale);
 
 #endif