X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fcharts%2Fplot-hist.h;h=bf3674b00e53b986848b1d5bc12f2138513549bc;hb=refs%2Fbuilds%2F20121208032040%2Fpspp;hp=c674aa609fa19968eac8eb0917b2a09933fa058c;hpb=43b1296aafe7582e7dbe6c2b6a8b478d7d9b0fcf;p=pspp
diff --git a/src/output/charts/plot-hist.h b/src/output/charts/plot-hist.h
index c674aa609f..bf3674b00e 100644
--- a/src/output/charts/plot-hist.h
+++ b/src/output/charts/plot-hist.h
@@ -1,5 +1,5 @@
/* PSPP - a program for statistical analysis.
- Copyright (C) 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2009, 2011 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
@@ -14,27 +14,92 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see . */
-#ifndef PLOT_HIST_H
-#define PLOT_HIST_H
+#ifndef OUTPUT_PLOT_HIST_H
+#define OUTPUT_PLOT_HIST_H
-#include
#include
+#include
+#include "output/chart-item.h"
-struct normal_curve
+struct histogram_chart
+ {
+ struct chart_item chart_item;
+ gsl_histogram *gsl_hist;
+ double n;
+ double mean;
+ double stddev;
+ bool show_normal;
+ };
+
+/* Creates and returns a new chart that depicts a histogram of
+ the data in HIST with the given LABEL. Labels the histogram
+ with each of N, MEAN, and STDDEV that is not SYSMIS. If all
+ three are not SYSMIS and SHOW_NORMAL is true, also draws a
+ normal curve on the histogram. */
+struct chart_item *histogram_chart_create (const gsl_histogram *,
+ const char *label, double n,
+ double mean, double stddev,
+ bool show_normal);
+
+/* This boilerplate for histogram_chart, a subclass of chart_item, was
+ autogenerated by mk-class-boilerplate. */
+
+#include
+#include "libpspp/cast.h"
+
+extern const struct chart_item_class histogram_chart_class;
+
+/* Returns true if SUPER is a histogram_chart, otherwise false. */
+static inline bool
+is_histogram_chart (const struct chart_item *super)
+{
+ return super->class == &histogram_chart_class;
+}
+
+/* Returns SUPER converted to histogram_chart. SUPER must be a histogram_chart, as
+ reported by is_histogram_chart. */
+static inline struct histogram_chart *
+to_histogram_chart (const struct chart_item *super)
{
- double N ;
- double mean ;
- double stddev ;
-};
-struct chart;
+ assert (is_histogram_chart (super));
+ return UP_CAST (super, struct histogram_chart, chart_item);
+}
-/* Write the legend of the chart */
-void histogram_write_legend(struct chart *ch, const struct normal_curve *norm);
+/* Returns INSTANCE converted to chart_item. */
+static inline struct chart_item *
+histogram_chart_super (const struct histogram_chart *instance)
+{
+ return CONST_CAST (struct chart_item *, &instance->chart_item);
+}
+
+/* Increments INSTANCE's reference count and returns INSTANCE. */
+static inline struct histogram_chart *
+histogram_chart_ref (const struct histogram_chart *instance)
+{
+ return to_histogram_chart (chart_item_ref (&instance->chart_item));
+}
-void histogram_plot(const gsl_histogram *hist,
- const char *factorname,
- const struct normal_curve *norm, short show_normal);
+/* Decrements INSTANCE's reference count, then destroys INSTANCE if
+ the reference count is now zero. */
+static inline void
+histogram_chart_unref (struct histogram_chart *instance)
+{
+ chart_item_unref (&instance->chart_item);
+}
+/* Returns true if INSTANCE's reference count is greater than 1,
+ false otherwise. */
+static inline bool
+histogram_chart_is_shared (const struct histogram_chart *instance)
+{
+ return chart_item_is_shared (&instance->chart_item);
+}
-#endif
+static inline void
+histogram_chart_submit (struct histogram_chart *instance)
+{
+ chart_item_submit (&instance->chart_item);
+}
+
+#endif /* output/plot-hist.h */