1 files changed, 73 insertions, 0 deletions
diff --git a/gr-blocks/lib/xor_blk_impl.cc b/gr-blocks/lib/xor_blk_impl.cc
new file mode 100644
index 0000000000..5180e6a600
--- /dev/null
+++ b/gr-blocks/lib/xor_blk_impl.cc
@@ -0,0 +1,73 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2012,2018 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "xor_blk_impl.h"
+#include <gnuradio/io_signature.h>
+
+namespace gr {
+  namespace blocks {
+    template <class T>
+    typename xor_blk<T>::sptr xor_blk<T>::make(size_t vlen)
+    {
+      return gnuradio::get_initial_sptr(new xor_blk_impl<T> (vlen));
+    }
+
+    template <class T>
+    xor_blk_impl<T> ::xor_blk_impl(size_t vlen)
+      : sync_block ("xor_blk",
+		       io_signature::make (1, -1, sizeof (T)*vlen),
+		       io_signature::make (1,  1, sizeof (T)*vlen)),
+      d_vlen(vlen)
+    {
+    }
+
+    template <class T>
+    int
+    xor_blk_impl<T> ::work(int noutput_items,
+		      gr_vector_const_void_star &input_items,
+		      gr_vector_void_star &output_items)
+    {
+      T *optr = (T *) output_items[0];
+
+      int ninputs = input_items.size ();
+
+      for (size_t i = 0; i < noutput_items*d_vlen; i++){
+	T acc = ((T *) input_items[0])[i];
+	for (int j = 1; j < ninputs; j++)
+	  acc ^= ((T *) input_items[j])[i];
+
+	*optr++ = (T) acc;
+      }
+
+      return noutput_items;
+    }
+
+template class xor_blk<std::uint8_t>;
+template class xor_blk<std::int16_t>;
+template class xor_blk<std::int32_t>;
+  } /* namespace blocks */
+} /* namespace gr */