From f2e815329402f170231c054e108b531094d046be Mon Sep 17 00:00:00 2001
From: Johnathan Corgan
Date: Fri, 29 Jun 2012 08:10:15 -0700
Subject: blocks: added gr::blocks::conjugate_cc

---
 gr-blocks/lib/conjugate_cc_impl.cc | 68 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 gr-blocks/lib/conjugate_cc_impl.cc

(limited to 'gr-blocks/lib/conjugate_cc_impl.cc')

diff --git a/gr-blocks/lib/conjugate_cc_impl.cc b/gr-blocks/lib/conjugate_cc_impl.cc
new file mode 100644
index 000000000..3d46bef68
--- /dev/null
+++ b/gr-blocks/lib/conjugate_cc_impl.cc
@@ -0,0 +1,68 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2012 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 "conjugate_cc_impl.h"
+#include <gr_io_signature.h>
+#include <volk/volk.h>
+
+namespace gr {
+  namespace blocks {
+
+    conjugate_cc::sptr conjugate_cc::make()
+    {
+      return gnuradio::get_initial_sptr(new conjugate_cc_impl());
+    }
+
+    conjugate_cc_impl::conjugate_cc_impl()
+      : gr_sync_block("conjugate_cc",
+		      gr_make_io_signature (1, 1, sizeof(gr_complex)),
+		      gr_make_io_signature (1, 1, sizeof(gr_complex)))
+    {
+      const int alignment_multiple =
+	volk_get_alignment() / sizeof(gr_complex);
+      set_alignment(std::max(1, alignment_multiple));
+    }
+
+    int
+    conjugate_cc_impl::work(int noutput_items,
+			    gr_vector_const_void_star &input_items,
+			    gr_vector_void_star &output_items)
+    {
+      gr_complex *iptr = (gr_complex *) input_items[0];
+      gr_complex *optr = (gr_complex *) output_items[0];
+      
+      if(is_unaligned()) {
+	volk_32fc_conjugate_32fc_u(optr, iptr, noutput_items);
+      }
+      else {
+	volk_32fc_conjugate_32fc_a(optr, iptr, noutput_items);
+      }
+      
+      return noutput_items;
+    }
+
+  } /* namespace blocks */
+}/* namespace gr */
-- 
cgit