docs

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

diff --git a/src/math/chart-geometry.h b/src/math/chart-geometry.h
index ef481feb40cbf130cab59bd51c240e2cc4a2ffaf..3d3955e75eadbe51ca692a4e5bffe5950b95c95e 100644 (file)
--- a/src/math/chart-geometry.h
+++ b/src/math/chart-geometry.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   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
@@ -18,6 +18,11 @@
 #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