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-rw-r--r--gr-blocks/grc/blocks_block_tree.xml1
-rw-r--r--gr-blocks/grc/blocks_complex_to_real.xml36
-rw-r--r--gr-blocks/include/blocks/CMakeLists.txt1
-rw-r--r--gr-blocks/include/blocks/complex_to_real.h50
-rw-r--r--gr-blocks/lib/CMakeLists.txt1
-rw-r--r--gr-blocks/lib/complex_to_real_impl.cc72
-rw-r--r--gr-blocks/lib/complex_to_real_impl.h47
-rwxr-xr-xgr-blocks/python/qa_type_conversions.py10
-rw-r--r--gr-blocks/swig/blocks_swig.i3
9 files changed, 221 insertions, 0 deletions
diff --git a/gr-blocks/grc/blocks_block_tree.xml b/gr-blocks/grc/blocks_block_tree.xml
index a1ef71b5c..4a520828b 100644
--- a/gr-blocks/grc/blocks_block_tree.xml
+++ b/gr-blocks/grc/blocks_block_tree.xml
@@ -43,5 +43,6 @@
<block>blocks_char_to_short</block>
<block>blocks_complex_to_interleaved_short</block>
<block>blocks_complex_to_float</block>
+ <block>blocks_complex_to_real</block>
</cat>
</cat>
diff --git a/gr-blocks/grc/blocks_complex_to_real.xml b/gr-blocks/grc/blocks_complex_to_real.xml
new file mode 100644
index 000000000..7acf3fccb
--- /dev/null
+++ b/gr-blocks/grc/blocks_complex_to_real.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0"?>
+<!--
+###################################################
+##Complex to Float:
+## one or two output streams
+###################################################
+ -->
+<block>
+ <name>Complex To Float</name>
+ <key>blocks_complex_to_float</key>
+ <import>from gnuradio import blocks</import>
+ <make>blocks.complex_to_float($vlen)</make>
+ <param>
+ <name>Vec Length</name>
+ <key>vlen</key>
+ <value>1</value>
+ <type>int</type>
+ </param>
+ <check>$vlen &gt; 0</check>
+ <sink>
+ <name>in</name>
+ <type>complex</type>
+ <vlen>$vlen</vlen>
+ </sink>
+ <source>
+ <name>re</name>
+ <type>float</type>
+ <vlen>$vlen</vlen>
+ </source>
+ <source>
+ <name>im</name>
+ <type>float</type>
+ <vlen>$vlen</vlen>
+ <optional>1</optional>
+ </source>
+</block>
diff --git a/gr-blocks/include/blocks/CMakeLists.txt b/gr-blocks/include/blocks/CMakeLists.txt
index d26512a39..9967273b3 100644
--- a/gr-blocks/include/blocks/CMakeLists.txt
+++ b/gr-blocks/include/blocks/CMakeLists.txt
@@ -88,6 +88,7 @@ install(FILES
char_to_short.h
complex_to_interleaved_short.h
complex_to_float.h
+ complex_to_real.h
multiply_cc.h
multiply_ff.h
multiply_const_cc.h
diff --git a/gr-blocks/include/blocks/complex_to_real.h b/gr-blocks/include/blocks/complex_to_real.h
new file mode 100644
index 000000000..a891c2e08
--- /dev/null
+++ b/gr-blocks/include/blocks/complex_to_real.h
@@ -0,0 +1,50 @@
+/* -*- 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.
+ */
+
+#ifndef INCLUDED_BLOCKS_COMPLEX_TO_REAL_H
+#define INCLUDED_BLOCKS_COMPLEX_TO_REAL_H
+
+#include <blocks/api.h>
+#include <gr_sync_block.h>
+
+namespace gr {
+ namespace blocks {
+
+ /*!
+ * \brief complex in, real out (float)
+ * \ingroup converter_blk
+ * \param vlen vector len (default 1)
+ */
+ class BLOCKS_API complex_to_real : virtual public gr_sync_block
+ {
+ public:
+
+ // gr::blocks::complex_to_real_ff::sptr
+ typedef boost::shared_ptr<complex_to_real> sptr;
+
+ static sptr make(size_t vlen=1);
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_BLOCKS_COMPLEX_TO_REAL_H */
diff --git a/gr-blocks/lib/CMakeLists.txt b/gr-blocks/lib/CMakeLists.txt
index 0adf3c9f7..8622e7b67 100644
--- a/gr-blocks/lib/CMakeLists.txt
+++ b/gr-blocks/lib/CMakeLists.txt
@@ -122,6 +122,7 @@ list(APPEND gr_blocks_sources
char_to_short_impl.cc
complex_to_interleaved_short_impl.cc
complex_to_float_impl.cc
+ complex_to_real_impl.cc
multiply_cc_impl.cc
multiply_ff_impl.cc
multiply_const_cc_impl.cc
diff --git a/gr-blocks/lib/complex_to_real_impl.cc b/gr-blocks/lib/complex_to_real_impl.cc
new file mode 100644
index 000000000..6f053b669
--- /dev/null
+++ b/gr-blocks/lib/complex_to_real_impl.cc
@@ -0,0 +1,72 @@
+/* -*- 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 "complex_to_real_impl.h"
+#include <gr_io_signature.h>
+#include <volk/volk.h>
+
+namespace gr {
+ namespace blocks {
+
+ complex_to_real::sptr complex_to_real::make(size_t vlen)
+ {
+ return gnuradio::get_initial_sptr(new complex_to_real_impl(vlen));
+ }
+
+ complex_to_real_impl::complex_to_real_impl(size_t vlen)
+ : gr_sync_block("complex_to_real",
+ gr_make_io_signature (1, 1, sizeof(gr_complex)*vlen),
+ gr_make_io_signature (1, 1, sizeof(float)*vlen)),
+ d_vlen(vlen)
+ {
+ const int alignment_multiple =
+ volk_get_alignment() / sizeof(float);
+ set_alignment(std::max(1,alignment_multiple));
+ }
+
+ int
+ complex_to_real_impl::work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+ {
+ const gr_complex *in = (const gr_complex *) input_items[0];
+ float *out = (float *) output_items[0];
+ int noi = noutput_items * d_vlen;
+
+ if(is_unaligned()) {
+ for (int i = 0; i < noi; i++){
+ out[i] = in[i].real ();
+ }
+ }
+ else {
+ volk_32fc_deinterleave_real_32f_a(out, in, noi);
+ }
+
+ return noutput_items;
+ }
+
+ } /* namespace blocks */
+}/* namespace gr */
diff --git a/gr-blocks/lib/complex_to_real_impl.h b/gr-blocks/lib/complex_to_real_impl.h
new file mode 100644
index 000000000..7d4d4306f
--- /dev/null
+++ b/gr-blocks/lib/complex_to_real_impl.h
@@ -0,0 +1,47 @@
+/* -*- 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.
+ */
+
+#ifndef INCLUDED_COMPLEX_TO_REAL_IMPL_H
+#define INCLUDED_COMPLEX_TO_REAL_IMPL_H
+
+#include <blocks/complex_to_real.h>
+
+namespace gr {
+ namespace blocks {
+
+ class BLOCKS_API complex_to_real_impl : public complex_to_real
+ {
+ size_t d_vlen;
+
+ public:
+ complex_to_real_impl(size_t vlen);
+
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+
+#endif /* INCLUDED_COMPLEX_TO_REAL_IMPL_H */
diff --git a/gr-blocks/python/qa_type_conversions.py b/gr-blocks/python/qa_type_conversions.py
index 5d477eef1..7c27a9c51 100755
--- a/gr-blocks/python/qa_type_conversions.py
+++ b/gr-blocks/python/qa_type_conversions.py
@@ -96,6 +96,16 @@ class test_type_conversions(gr_unittest.TestCase):
self.assertFloatTuplesAlmostEqual(expected_data1, dst1.data())
self.assertFloatTuplesAlmostEqual(expected_data2, dst2.data())
+ def test_complex_to_real(self):
+ src_data = (1+2j, 3+4j, 5+6j, 7+8j, 9+10j)
+ expected_data = (1.0, 3.0, 5.0, 7.0, 9.0)
+ src = gr.vector_source_c(src_data)
+ op = blocks_swig.complex_to_real()
+ dst = gr.vector_sink_f()
+ self.tb.connect(src, op, dst)
+ self.tb.run()
+ self.assertFloatTuplesAlmostEqual(expected_data, dst.data())
+
if __name__ == '__main__':
gr_unittest.run(test_type_conversions, "test_type_conversions.xml")
diff --git a/gr-blocks/swig/blocks_swig.i b/gr-blocks/swig/blocks_swig.i
index 9cd672891..7e40120a7 100644
--- a/gr-blocks/swig/blocks_swig.i
+++ b/gr-blocks/swig/blocks_swig.i
@@ -44,6 +44,7 @@
#include "blocks/char_to_short.h"
#include "blocks/complex_to_interleaved_short.h"
#include "blocks/complex_to_float.h"
+#include "blocks/complex_to_real.h"
#include "blocks/divide_ff.h"
#include "blocks/divide_ss.h"
#include "blocks/divide_ii.h"
@@ -82,6 +83,7 @@
%include "blocks/char_to_short.h"
%include "blocks/complex_to_interleaved_short.h"
%include "blocks/complex_to_float.h"
+%include "blocks/complex_to_real.h"
%include "blocks/divide_ff.h"
%include "blocks/divide_ss.h"
%include "blocks/divide_ii.h"
@@ -119,6 +121,7 @@ GR_SWIG_BLOCK_MAGIC2(blocks, char_to_float);
GR_SWIG_BLOCK_MAGIC2(blocks, char_to_short);
GR_SWIG_BLOCK_MAGIC2(blocks, complex_to_interleaved_short);
GR_SWIG_BLOCK_MAGIC2(blocks, complex_to_float);
+GR_SWIG_BLOCK_MAGIC2(blocks, complex_to_real);
GR_SWIG_BLOCK_MAGIC2(blocks, divide_ff);
GR_SWIG_BLOCK_MAGIC2(blocks, divide_ss);
GR_SWIG_BLOCK_MAGIC2(blocks, divide_ii);