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-rw-r--r--gr-blocks/grc/blocks_block_tree.xml1
-rw-r--r--gr-blocks/grc/blocks_complex_to_float.xml36
-rw-r--r--gr-blocks/include/blocks/CMakeLists.txt1
-rw-r--r--gr-blocks/include/blocks/complex_to_float.h50
-rw-r--r--gr-blocks/lib/CMakeLists.txt1
-rw-r--r--gr-blocks/lib/complex_to_float_impl.cc94
-rw-r--r--gr-blocks/lib/complex_to_float_impl.h47
-rwxr-xr-xgr-blocks/python/qa_type_conversions.py26
-rw-r--r--gr-blocks/swig/blocks_swig.i3
9 files changed, 259 insertions, 0 deletions
diff --git a/gr-blocks/grc/blocks_block_tree.xml b/gr-blocks/grc/blocks_block_tree.xml
index 523ee1b7c..a1ef71b5c 100644
--- a/gr-blocks/grc/blocks_block_tree.xml
+++ b/gr-blocks/grc/blocks_block_tree.xml
@@ -42,5 +42,6 @@
<block>blocks_char_to_float</block>
<block>blocks_char_to_short</block>
<block>blocks_complex_to_interleaved_short</block>
+ <block>blocks_complex_to_float</block>
</cat>
</cat>
diff --git a/gr-blocks/grc/blocks_complex_to_float.xml b/gr-blocks/grc/blocks_complex_to_float.xml
new file mode 100644
index 000000000..7acf3fccb
--- /dev/null
+++ b/gr-blocks/grc/blocks_complex_to_float.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 783680253..d26512a39 100644
--- a/gr-blocks/include/blocks/CMakeLists.txt
+++ b/gr-blocks/include/blocks/CMakeLists.txt
@@ -87,6 +87,7 @@ install(FILES
char_to_float.h
char_to_short.h
complex_to_interleaved_short.h
+ complex_to_float.h
multiply_cc.h
multiply_ff.h
multiply_const_cc.h
diff --git a/gr-blocks/include/blocks/complex_to_float.h b/gr-blocks/include/blocks/complex_to_float.h
new file mode 100644
index 000000000..322f67b62
--- /dev/null
+++ b/gr-blocks/include/blocks/complex_to_float.h
@@ -0,0 +1,50 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2005,2012 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_FLOAT_H
+#define INCLUDED_BLOCKS_COMPLEX_TO_FLOAT_H
+
+#include <blocks/api.h>
+#include <gr_sync_block.h>
+
+namespace gr {
+ namespace blocks {
+
+ /*!
+ * \brief convert a stream of gr_complex to 1 or 2 streams of float
+ * \ingroup converter_blk
+ * \param vlen vector len (default 1)
+ */
+ class BLOCKS_API complex_to_float : virtual public gr_sync_block
+ {
+ public:
+
+ // gr::blocks::complex_to_float_ff::sptr
+ typedef boost::shared_ptr<complex_to_float> sptr;
+
+ static sptr make(size_t vlen=1);
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_BLOCKS_COMPLEX_TO_FLOAT_H */
diff --git a/gr-blocks/lib/CMakeLists.txt b/gr-blocks/lib/CMakeLists.txt
index 907ad672e..0adf3c9f7 100644
--- a/gr-blocks/lib/CMakeLists.txt
+++ b/gr-blocks/lib/CMakeLists.txt
@@ -121,6 +121,7 @@ list(APPEND gr_blocks_sources
char_to_float_impl.cc
char_to_short_impl.cc
complex_to_interleaved_short_impl.cc
+ complex_to_float_impl.cc
multiply_cc_impl.cc
multiply_ff_impl.cc
multiply_const_cc_impl.cc
diff --git a/gr-blocks/lib/complex_to_float_impl.cc b/gr-blocks/lib/complex_to_float_impl.cc
new file mode 100644
index 000000000..3c1109de5
--- /dev/null
+++ b/gr-blocks/lib/complex_to_float_impl.cc
@@ -0,0 +1,94 @@
+/* -*- 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_float_impl.h"
+#include <gr_io_signature.h>
+#include <volk/volk.h>
+
+namespace gr {
+ namespace blocks {
+
+ complex_to_float::sptr complex_to_float::make(size_t vlen)
+ {
+ return gnuradio::get_initial_sptr(new complex_to_float_impl(vlen));
+ }
+
+ complex_to_float_impl::complex_to_float_impl(size_t vlen)
+ : gr_sync_block("complex_to_float",
+ gr_make_io_signature (1, 1, sizeof(gr_complex)*vlen),
+ gr_make_io_signature (1, 2, 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_float_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 *out0 = (float *) output_items[0];
+ float* out1;
+ int noi = noutput_items * d_vlen;
+
+ switch (output_items.size ()){
+ case 1:
+ if(is_unaligned()) {
+ for (int i = 0; i < noi; i++){
+ out0[i] = in[i].real ();
+ }
+ }
+ else {
+ volk_32fc_deinterleave_real_32f_a(out0, in, noi);
+ }
+ break;
+
+ case 2:
+ out1 = (float *) output_items[1];
+ if(is_unaligned()) {
+ for (int i = 0; i < noi; i++){
+ out0[i] = in[i].real ();
+ out1[i] = in[i].imag ();
+ }
+ }
+ else {
+ volk_32fc_deinterleave_32f_x2_a(out0, out1, in, noi);
+ }
+ break;
+
+ default:
+ abort ();
+
+ }
+
+ return noutput_items;
+ }
+
+ } /* namespace blocks */
+}/* namespace gr */
diff --git a/gr-blocks/lib/complex_to_float_impl.h b/gr-blocks/lib/complex_to_float_impl.h
new file mode 100644
index 000000000..d90ac28d5
--- /dev/null
+++ b/gr-blocks/lib/complex_to_float_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_FLOAT_IMPL_H
+#define INCLUDED_COMPLEX_TO_FLOAT_IMPL_H
+
+#include <blocks/complex_to_float.h>
+
+namespace gr {
+ namespace blocks {
+
+ class BLOCKS_API complex_to_float_impl : public complex_to_float
+ {
+ size_t d_vlen;
+
+ public:
+ complex_to_float_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_FLOAT_IMPL_H */
diff --git a/gr-blocks/python/qa_type_conversions.py b/gr-blocks/python/qa_type_conversions.py
index b03103bfe..5d477eef1 100755
--- a/gr-blocks/python/qa_type_conversions.py
+++ b/gr-blocks/python/qa_type_conversions.py
@@ -71,5 +71,31 @@ class test_type_conversions(gr_unittest.TestCase):
self.tb.run()
self.assertEqual(expected_data, dst.data())
+ def test_complex_to_float_1(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_float()
+ dst = gr.vector_sink_f()
+ self.tb.connect(src, op, dst)
+ self.tb.run()
+ self.assertFloatTuplesAlmostEqual(expected_data, dst.data())
+
+ def test_complex_to_float_2(self):
+ src_data = (1+2j, 3+4j, 5+6j, 7+8j, 9+10j)
+ expected_data1 = (1.0, 3.0, 5.0, 7.0, 9.0)
+ expected_data2 = (2.0, 4.0, 6.0, 8.0, 10.0)
+ src = gr.vector_source_c(src_data)
+ op = blocks_swig.complex_to_float()
+ dst1 = gr.vector_sink_f()
+ dst2 = gr.vector_sink_f()
+ self.tb.connect(src, op)
+ self.tb.connect((op, 0), dst1)
+ self.tb.connect((op, 1), dst2)
+ self.tb.run()
+ self.assertFloatTuplesAlmostEqual(expected_data1, dst1.data())
+ self.assertFloatTuplesAlmostEqual(expected_data2, dst2.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 16572633f..9cd672891 100644
--- a/gr-blocks/swig/blocks_swig.i
+++ b/gr-blocks/swig/blocks_swig.i
@@ -43,6 +43,7 @@
#include "blocks/char_to_float.h"
#include "blocks/char_to_short.h"
#include "blocks/complex_to_interleaved_short.h"
+#include "blocks/complex_to_float.h"
#include "blocks/divide_ff.h"
#include "blocks/divide_ss.h"
#include "blocks/divide_ii.h"
@@ -80,6 +81,7 @@
%include "blocks/char_to_float.h"
%include "blocks/char_to_short.h"
%include "blocks/complex_to_interleaved_short.h"
+%include "blocks/complex_to_float.h"
%include "blocks/divide_ff.h"
%include "blocks/divide_ss.h"
%include "blocks/divide_ii.h"
@@ -116,6 +118,7 @@ GR_SWIG_BLOCK_MAGIC2(blocks, add_const_vcc);
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, divide_ff);
GR_SWIG_BLOCK_MAGIC2(blocks, divide_ss);
GR_SWIG_BLOCK_MAGIC2(blocks, divide_ii);