Added files in src/output

[pspp-builds.git] / src / output / charts / plot-hist.h

diff --git a/src/output/charts/plot-hist.h b/src/output/charts/plot-hist.h
new file mode 100644 (file)
index 0000000..071145d
--- /dev/null
+++ b/src/output/charts/plot-hist.h
@@ -0,0 +1,43 @@
+/* PSPP - computes sample statistics.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   Written by John Darrington <john@darrington.wattle.id.au>
+
+   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 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. */
+
+#ifndef PLOT_HIST_H
+#define PLOT_HIST_H
+
+#include <config.h>
+#include <gsl/gsl_histogram.h>
+
+
+struct normal_curve
+{
+  double N ;
+  double mean ;
+  double stddev ;
+};
+struct chart;
+
+/* Write the legend of the chart */
+void histogram_write_legend(struct chart *ch, const struct normal_curve *norm);
+
+void histogram_plot(const gsl_histogram *hist,
+              const char *factorname,
+              const struct normal_curve *norm, short show_normal);
+
+
+#endif