1 files changed, 96 insertions, 0 deletions
diff --git a/gsl-1.9/histogram/copy2d.c b/gsl-1.9/histogram/copy2d.c
new file mode 100644
index 0000000..94fa2d6
--- /dev/null
+++ b/gsl-1.9/histogram/copy2d.c
@@ -0,0 +1,96 @@
+/* gsl_histogram2d_copy.c
+ * Copyright (C) 2000  Simone Piccardi
+ *
+ * This library 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 library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/***************************************************************
+ *
+ * File gsl_histogram2d_copy.c: 
+ * Routine to copy a 2D histogram. 
+ * Need GSL library and header.
+ *
+ * Author: S. Piccardi
+ * Jan. 2000
+ *
+ ***************************************************************/
+#include <config.h>
+#include <stdlib.h>
+#include <gsl/gsl_errno.h>
+#include <gsl/gsl_histogram2d.h>
+
+/*
+ * gsl_histogram2d_copy:
+ * copy the contents of an histogram into another
+ */
+int
+gsl_histogram2d_memcpy (gsl_histogram2d * dest, const gsl_histogram2d * src)
+{
+  size_t nx = src->nx;
+  size_t ny = src->ny;
+  size_t i;
+  if (dest->nx != src->nx || dest->ny != src->ny)
+    {
+      GSL_ERROR ("histograms have different sizes, cannot copy",
+                 GSL_EINVAL);
+    }
+  
+  for (i = 0; i <= nx; i++)
+    {
+      dest->xrange[i] = src->xrange[i];
+    }
+
+  for (i = 0; i <= ny; i++)
+    {
+      dest->yrange[i] = src->yrange[i];
+    }
+
+  for (i = 0; i < nx * ny; i++)
+    {
+      dest->bin[i] = src->bin[i];
+    }
+
+  return GSL_SUCCESS;
+}
+
+/*
+ * gsl_histogram2d_duplicate:
+ * duplicate an histogram creating
+ * an identical new one
+ */
+
+gsl_histogram2d *
+gsl_histogram2d_clone (const gsl_histogram2d * src)
+{
+  size_t nx = src->nx;
+  size_t ny = src->ny;
+  size_t i;
+  gsl_histogram2d *h;
+
+  h = gsl_histogram2d_calloc_range (nx, ny, src->xrange, src->yrange);
+
+  if (h == 0)
+    {
+      GSL_ERROR_VAL ("failed to allocate space for histogram struct",
+                        GSL_ENOMEM, 0);
+    }
+
+  for (i = 0; i < nx * ny; i++)
+    {
+      h->bin[i] = src->bin[i];
+    }
+
+  return h;
+}