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-rw-r--r--gr-blocks/grc/blocks_block_tree.xml1
-rw-r--r--gr-blocks/grc/blocks_transcendental.xml41
-rw-r--r--gr-blocks/include/blocks/CMakeLists.txt1
-rw-r--r--gr-blocks/include/blocks/transcendental.h56
-rw-r--r--gr-blocks/lib/CMakeLists.txt1
-rw-r--r--gr-blocks/lib/transcendental_impl.cc150
-rw-r--r--gr-blocks/lib/transcendental_impl.h51
-rw-r--r--gr-blocks/python/qa_transcendental.py90
-rw-r--r--gr-blocks/swig/blocks_swig.i3
9 files changed, 394 insertions, 0 deletions
diff --git a/gr-blocks/grc/blocks_block_tree.xml b/gr-blocks/grc/blocks_block_tree.xml
index 6ab84c94e..5e304d3c3 100644
--- a/gr-blocks/grc/blocks_block_tree.xml
+++ b/gr-blocks/grc/blocks_block_tree.xml
@@ -50,6 +50,7 @@
<block>blocks_integrate_xx</block>
<block>blocks_nlog10_ff</block>
<block>blocks_rms_xx</block>
+ <block>blocks_transcendental</block>
</cat>
<cat>
<name>Boolean Operations (New) </name>
diff --git a/gr-blocks/grc/blocks_transcendental.xml b/gr-blocks/grc/blocks_transcendental.xml
new file mode 100644
index 000000000..a883a2eef
--- /dev/null
+++ b/gr-blocks/grc/blocks_transcendental.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0"?>
+<!--
+###################################################
+##transcendental functions
+###################################################
+ -->
+<block>
+ <name>Transcendental</name>
+ <key>blocks_transcendental</key>
+ <import>from gnuradio import blocks</import>
+ <make>blocks.transcendental($name, "$type")</make>
+ <param>
+ <name>Type</name>
+ <key>type</key>
+ <type>enum</type>
+ <option>
+ <name>Complex</name>
+ <key>complex_double</key>
+ <opt>type:complex</opt>
+ </option>
+ <option>
+ <name>Float</name>
+ <key>float</key>
+ <opt>type:float</opt>
+ </option>
+ </param>
+ <param>
+ <name>Function Name</name>
+ <key>name</key>
+ <value>cos</value>
+ <type>string</type>
+ </param>
+ <sink>
+ <name>in</name>
+ <type>$type.type</type>
+ </sink>
+ <source>
+ <name>out</name>
+ <type>$type.type</type>
+ </source>
+</block>
diff --git a/gr-blocks/include/blocks/CMakeLists.txt b/gr-blocks/include/blocks/CMakeLists.txt
index 8d5fe9b13..d3c08f6e6 100644
--- a/gr-blocks/include/blocks/CMakeLists.txt
+++ b/gr-blocks/include/blocks/CMakeLists.txt
@@ -141,6 +141,7 @@ install(FILES
stretch_ff.h
threshold_ff.h
throttle.h
+ transcendental.h
uchar_to_float.h
vector_to_stream.h
vector_to_streams.h
diff --git a/gr-blocks/include/blocks/transcendental.h b/gr-blocks/include/blocks/transcendental.h
new file mode 100644
index 000000000..f8a0d5d80
--- /dev/null
+++ b/gr-blocks/include/blocks/transcendental.h
@@ -0,0 +1,56 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2011,2013 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_GR_TRANSCENDENTAL_H
+#define INCLUDED_GR_TRANSCENDENTAL_H
+
+#include <blocks/api.h>
+#include <gr_sync_block.h>
+#include <string>
+
+namespace gr {
+ namespace blocks {
+
+ /*!
+ * \brief A block that performs various transcendental math operations.
+ *
+ * Possible function names can be found in the cmath library. IO
+ * may be either complex or real, double or single precision.
+ *
+ * Possible type strings: float, double, complex_float, complex_double
+ *
+ * output[i] = trans_fcn(input[i])
+ */
+ class BLOCKS_API transcendental : virtual public gr_sync_block
+ {
+ public:
+ // gr::blocks::transcendental::sptr
+ typedef boost::shared_ptr<transcendental> sptr;
+
+ static sptr make(const std::string &name,
+ const std::string &type="float");
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_TRANSCENDENTAL_H */
diff --git a/gr-blocks/lib/CMakeLists.txt b/gr-blocks/lib/CMakeLists.txt
index e1b9b4f00..20e3ae4aa 100644
--- a/gr-blocks/lib/CMakeLists.txt
+++ b/gr-blocks/lib/CMakeLists.txt
@@ -180,6 +180,7 @@ list(APPEND gr_blocks_sources
stretch_ff_impl.cc
threshold_ff_impl.cc
throttle_impl.cc
+ transcendental_impl.cc
uchar_array_to_float.cc
uchar_to_float_impl.cc
vector_to_stream_impl.cc
diff --git a/gr-blocks/lib/transcendental_impl.cc b/gr-blocks/lib/transcendental_impl.cc
new file mode 100644
index 000000000..725899ca8
--- /dev/null
+++ b/gr-blocks/lib/transcendental_impl.cc
@@ -0,0 +1,150 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2011,2013 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.
+ */
+
+#include "transcendental_impl.h"
+#include <gr_io_signature.h>
+#include <stdexcept>
+#include <complex> //complex math
+#include <cmath> //real math
+#include <map>
+
+namespace gr {
+ namespace blocks {
+
+ /***********************************************************************
+ * work function creation and registration
+ **********************************************************************/
+ struct map_val_type
+ {
+ work_fcn_type work_fcn;
+ size_t io_size;
+ };
+ typedef std::map<std::string, map_val_type> map_type;
+
+ //construct map on first use idiom
+ static map_type &
+ get_map(void)
+ {
+ static map_type map;
+ return map;
+ }
+
+ //static initialization of this object registers a function
+ struct transcendental_registrant
+ {
+ transcendental_registrant(const std::string &key,
+ const work_fcn_type &work_fcn,
+ const size_t io_size)
+ {
+ map_val_type val;
+ val.work_fcn = work_fcn;
+ val.io_size = io_size;
+ get_map()[key] = val;
+ }
+ };
+
+ //macro to create a work function and register it
+#define REGISTER_FUNCTION(__fcn__, __type__, __key__) \
+ static int __key__ ## _work( \
+ int noutput_items, \
+ gr_vector_const_void_star &input_items, \
+ gr_vector_void_star &output_items) \
+ { \
+ const __type__ *in = (const __type__ *) input_items[0]; \
+ __type__ *out = (__type__ *) output_items[0]; \
+ for (size_t i = 0; i < size_t(noutput_items); i++){ \
+ out[i] = std::__fcn__(in[i]); \
+ } \
+ return noutput_items; \
+ } \
+ transcendental_registrant __key__ ## _registrant(#__key__, &__key__ ## _work, sizeof(__type__));
+
+ //register work functions for real types
+#define REGISTER_REAL_FUNCTIONS(__fcn__) \
+ REGISTER_FUNCTION(__fcn__, float, __fcn__ ## _float) \
+ REGISTER_FUNCTION(__fcn__, double, __fcn__ ## _double)
+
+ //register work functions for complex types
+#define REGISTER_COMPLEX_FUNCTIONS(__fcn__) \
+ REGISTER_FUNCTION(__fcn__, std::complex<float>, __fcn__ ## _complex_float) \
+ REGISTER_FUNCTION(__fcn__, std::complex<double>, __fcn__ ## _complex_double)
+
+ //register both complex and real
+#define REGISTER_FUNCTIONS(__fcn__) \
+ REGISTER_REAL_FUNCTIONS(__fcn__) \
+ REGISTER_COMPLEX_FUNCTIONS(__fcn__)
+
+ //create and register transcendental work functions
+ REGISTER_FUNCTIONS(cos)
+ REGISTER_FUNCTIONS(sin)
+ REGISTER_FUNCTIONS(tan)
+ REGISTER_REAL_FUNCTIONS(acos)
+ REGISTER_REAL_FUNCTIONS(asin)
+ REGISTER_REAL_FUNCTIONS(atan)
+ REGISTER_FUNCTIONS(cosh)
+ REGISTER_FUNCTIONS(sinh)
+ REGISTER_FUNCTIONS(tanh)
+ REGISTER_FUNCTIONS(exp)
+ REGISTER_FUNCTIONS(log)
+ REGISTER_FUNCTIONS(log10)
+ REGISTER_FUNCTIONS(sqrt)
+
+
+ transcendental::sptr
+ transcendental::make(const std::string &name,
+ const std::string &type)
+ {
+ //search for an entry in the map
+ const std::string key = name + "_" + type;
+ const bool has_key = get_map().count(key) != 0;
+ if(!has_key)
+ throw std::runtime_error("could not find transcendental function for " + key);
+
+ //make a new block with found work function
+ return gnuradio::get_initial_sptr
+ (new transcendental_impl(get_map()[key].work_fcn, get_map()[key].io_size));
+ }
+
+ transcendental_impl::transcendental_impl(const work_fcn_type &work_fcn,
+ const size_t io_size)
+ : gr_sync_block("transcendental",
+ gr_make_io_signature(1, 1, io_size),
+ gr_make_io_signature(1, 1, io_size)),
+ _work_fcn(work_fcn)
+ {
+ // NOP
+ }
+
+ transcendental_impl::~transcendental_impl()
+ {
+ }
+
+ int
+ transcendental_impl::work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+ {
+ return _work_fcn(noutput_items, input_items, output_items);
+ }
+
+ } /* namespace blocks */
+} /* namespace gr */
diff --git a/gr-blocks/lib/transcendental_impl.h b/gr-blocks/lib/transcendental_impl.h
new file mode 100644
index 000000000..47055551e
--- /dev/null
+++ b/gr-blocks/lib/transcendental_impl.h
@@ -0,0 +1,51 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2011,2013 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_GR_TRANSCENDENTAL_IMPL_H
+#define INCLUDED_GR_TRANSCENDENTAL_IMPL_H
+
+#include <blocks/transcendental.h>
+
+namespace gr {
+ namespace blocks {
+
+ typedef int(*work_fcn_type)(int, gr_vector_const_void_star &, gr_vector_void_star &);
+
+ class transcendental_impl : public transcendental
+ {
+ private:
+ const work_fcn_type &_work_fcn;
+
+ public:
+ transcendental_impl(const work_fcn_type &work_fcn,
+ const size_t io_size);
+ ~transcendental_impl();
+
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+ };
+
+ } /* namespace blocks */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_TRANSCENDENTAL_IMPL_H */
diff --git a/gr-blocks/python/qa_transcendental.py b/gr-blocks/python/qa_transcendental.py
new file mode 100644
index 000000000..8174f7963
--- /dev/null
+++ b/gr-blocks/python/qa_transcendental.py
@@ -0,0 +1,90 @@
+#!/usr/bin/env python
+#
+# Copyright 2013 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.
+#
+
+from gnuradio import gr, gr_unittest
+import blocks_swig as blocks
+import math
+
+class test_transcendental(gr_unittest.TestCase):
+
+ def setUp(self):
+ self.tb = gr.top_block()
+
+ def tearDown(self):
+ self.tb = None
+
+ def test_01(self):
+ tb = self.tb
+
+ data = 100*[0,]
+ expected_result = 100*[1,]
+
+ src = gr.vector_source_f(data, False)
+ op = blocks.transcendental("cos", "float")
+ dst = gr.vector_sink_f()
+
+ tb.connect(src, op)
+ tb.connect(op, dst)
+ tb.run()
+
+ dst_data = dst.data()
+
+ self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 5)
+
+ def test_02(self):
+ tb = self.tb
+
+ data = 100*[3,]
+ expected_result = 100*[math.log10(3),]
+
+ src = gr.vector_source_f(data, False)
+ op = blocks.transcendental("log10", "float")
+ dst = gr.vector_sink_f()
+
+ tb.connect(src, op)
+ tb.connect(op, dst)
+ tb.run()
+
+ dst_data = dst.data()
+
+ self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 5)
+
+ def test_03(self):
+ tb = self.tb
+
+ data = 100*[3,]
+ expected_result = 100*[math.tanh(3),]
+
+ src = gr.vector_source_f(data, False)
+ op = blocks.transcendental("tanh", "float")
+ dst = gr.vector_sink_f()
+
+ tb.connect(src, op)
+ tb.connect(op, dst)
+ tb.run()
+
+ dst_data = dst.data()
+
+ self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 5)
+
+if __name__ == '__main__':
+ gr_unittest.run(test_transcendental, "test_transcendental.xml")
diff --git a/gr-blocks/swig/blocks_swig.i b/gr-blocks/swig/blocks_swig.i
index 6407421b1..db8af3436 100644
--- a/gr-blocks/swig/blocks_swig.i
+++ b/gr-blocks/swig/blocks_swig.i
@@ -124,6 +124,7 @@
#include "blocks/sub_cc.h"
#include "blocks/threshold_ff.h"
#include "blocks/throttle.h"
+#include "blocks/transcendental.h"
#include "blocks/uchar_to_float.h"
#include "blocks/unpacked_to_packed_bb.h"
#include "blocks/unpacked_to_packed_ss.h"
@@ -229,6 +230,7 @@
%include "blocks/sub_cc.h"
%include "blocks/threshold_ff.h"
%include "blocks/throttle.h"
+%include "blocks/transcendental.h"
%include "blocks/uchar_to_float.h"
%include "blocks/unpacked_to_packed_bb.h"
%include "blocks/unpacked_to_packed_ss.h"
@@ -333,6 +335,7 @@ GR_SWIG_BLOCK_MAGIC2(blocks, sub_ii);
GR_SWIG_BLOCK_MAGIC2(blocks, sub_cc);
GR_SWIG_BLOCK_MAGIC2(blocks, threshold_ff);
GR_SWIG_BLOCK_MAGIC2(blocks, throttle);
+GR_SWIG_BLOCK_MAGIC2(blocks, transcendental);
GR_SWIG_BLOCK_MAGIC2(blocks, uchar_to_float);
GR_SWIG_BLOCK_MAGIC2(blocks, unpacked_to_packed_bb);
GR_SWIG_BLOCK_MAGIC2(blocks, unpacked_to_packed_ss);