1 files changed, 79 insertions, 0 deletions
diff --git a/gr-blocks/lib/integrate_impl.cc b/gr-blocks/lib/integrate_impl.cc
new file mode 100644
index 0000000000..3c2cf022cb
--- /dev/null
+++ b/gr-blocks/lib/integrate_impl.cc
@@ -0,0 +1,79 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2009,2010,2012,2018 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 <integrate_impl.h>
+#include <gnuradio/io_signature.h>
+
+namespace gr {
+  namespace blocks {
+
+    template <class T>
+    typename integrate<T>::sptr integrate<T>::make(int decim, int vlen)
+    {
+      return gnuradio::get_initial_sptr(new integrate_impl<T> (decim, vlen));
+    }
+
+    template <class T>
+    integrate_impl<T> ::integrate_impl(int decim, int vlen)
+      : sync_decimator("integrate",
+			  io_signature::make(1, 1, sizeof (T) * vlen),
+			  io_signature::make(1, 1, sizeof (T) * vlen),
+			  decim),
+      d_decim(decim),
+      d_vlen(vlen)
+    {
+    }
+
+    template <class T>
+    int
+    integrate_impl<T> ::work(int noutput_items,
+		      gr_vector_const_void_star &input_items,
+		      gr_vector_void_star &output_items)
+    {
+      const T *in = (const T *)input_items[0];
+      T *out = (T *)output_items[0];
+
+      for (int i = 0; i < noutput_items; i++) {
+        for (int j = 0; j < d_vlen; ++j) {
+          out[i*d_vlen + j] = (T)0;
+        }
+        for (int j = 0; j < d_decim; j++) {
+          for (int k = 0; k < d_vlen; ++k) {
+            out[i*d_vlen + k] += in[i*d_decim*d_vlen + j*d_vlen + k];
+          }
+        }
+      }
+
+      return noutput_items;
+    }
+
+template class integrate<std::int16_t>;
+template class integrate<std::int32_t>;
+template class integrate<float>;
+template class integrate<gr_complex>;
+  } /* namespace blocks */
+} /* namespace gr */