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[Commit-gnuradio] [gnuradio] 13/39: fec: LDPC: Renaming class from ldpc_
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[Commit-gnuradio] [gnuradio] 13/39: fec: LDPC: Renaming class from ldpc_par_chk_mtrx to ldpc_R_U_mtrx |
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Date: |
Thu, 15 Oct 2015 21:21:28 +0000 (UTC) |
This is an automated email from the git hooks/post-receive script.
jcorgan pushed a commit to branch master
in repository gnuradio.
commit bfefe873aacd7ddbb77dd375bb993e9aab2fa719
Author: tracierenea <address@hidden>
Date: Sun Jul 27 13:42:11 2014 -0500
fec: LDPC: Renaming class from ldpc_par_chk_mtrx to ldpc_R_U_mtrx
To indicate that this matrix has a specific format, designed for use
with the ldpc_R_U_encoder, renaming this class from ldpc_par_chk_mtrx
to ldpc_R_U_mtrx.
Also putting the memory free calls in the correct place in the bit
flip decoder.
---
gr-fec/examples/ber_curve_gen.grc | 22 ++++++------
gr-fec/grc/fec_block_tree.xml | 1 +
...bject.xml => variable_ldpc_R_U_mtrx_object.xml} | 4 +--
gr-fec/include/gnuradio/fec/CMakeLists.txt | 1 +
gr-fec/include/gnuradio/fec/ldpc_R_U_encoder.h | 4 +--
.../fec/{ldpc_par_chk_mtrx.h => ldpc_R_U_mtrx.h} | 14 ++++----
.../include/gnuradio/fec/ldpc_bit_flip_decoder.h | 4 +--
gr-fec/lib/CMakeLists.txt | 1 +
gr-fec/lib/ldpc_R_U_encoder_impl.cc | 4 +--
gr-fec/lib/ldpc_R_U_encoder_impl.h | 6 ++--
.../lib/{ldpc_par_chk_mtrx.cc => ldpc_R_U_mtrx.cc} | 40 +++++++++++-----------
gr-fec/lib/ldpc_bit_flip_decoder_impl.cc | 35 ++++++++++---------
gr-fec/lib/ldpc_bit_flip_decoder_impl.h | 10 ++----
gr-fec/python/fec/qa_fecapi_ldpc.py | 27 +++++++--------
gr-fec/swig/fec_swig.i | 2 ++
15 files changed, 88 insertions(+), 87 deletions(-)
diff --git a/gr-fec/examples/ber_curve_gen.grc
b/gr-fec/examples/ber_curve_gen.grc
index a645954..11c37a3 100644
--- a/gr-fec/examples/ber_curve_gen.grc
+++ b/gr-fec/examples/ber_curve_gen.grc
@@ -23,7 +23,7 @@
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<meta name="selected-link" value="repo_source" data-pjax-transient>
<meta name="google-analytics" content="UA-3769691-2">
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name="csrf-token" />
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media="all" rel="stylesheet" />
@@ -187,7 +187,7 @@
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+ <form accept-charset="UTF-8" action="/logout" class="logout-form"
method="post"><div style="margin:0;padding:0;display:inline"><input name="utf8"
type="hidden" value="✓" /><input name="authenticity_token" type="hidden"
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@@ -218,7 +218,7 @@
<ul class="pagehead-actions">
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/></div> <input id="repository_id" name="repository_id" type="hidden"
value="20425708" />
+ <form accept-charset="UTF-8" action="/notifications/subscribe"
class="js-social-container" data-autosubmit="true" data-remote="true"
method="post"><div style="margin:0;padding:0;display:inline"><input name="utf8"
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@@ -293,7 +293,7 @@
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+ <form accept-charset="UTF-8" action="/tracierenea/gnuradio/unstar"
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method="post"><div style="margin:0;padding:0;display:inline"><input name="utf8"
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class="btn btn-sm btn-with-count js-toggler-target"
aria-label="Unstar this repository" title="Unstar tracierenea/gnuradio"
@@ -305,7 +305,7 @@
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class="js-toggler-form unstarred js-star-button" data-remote="true"
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/></div>
+ <form accept-charset="UTF-8" action="/tracierenea/gnuradio/star"
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<button
class="btn btn-sm btn-with-count js-toggler-target"
aria-label="Star this repository" title="Star tracierenea/gnuradio"
@@ -451,7 +451,7 @@
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action="/users/set_protocol?protocol_selector=http&protocol_type=clone"
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/></div><button class="btn-link js-clone-selector" data [...]
+ <form accept-charset="UTF-8"
action="/users/set_protocol?protocol_selector=http&protocol_type=clone"
class="inline-form js-clone-selector-form is-enabled" data-remote="true"
method="post"><div style="margin:0;padding:0;display:inline"><input name="utf8"
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@@ -1191,12 +1191,12 @@
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- <form accept-charset="UTF-8"
action="/tracierenea/gnuradio/edit/fec/ldpc_methods/gr-fec/examples/ber_curve_gen.grc"
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/></div>
+ <form accept-charset="UTF-8"
action="/tracierenea/gnuradio/edit/fec/ldpc_methods/gr-fec/examples/ber_curve_gen.grc"
class="inline-form" method="post"><div
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type="submit" aria-label="Edit the file in your fork of this project"
data-hotkey="e" data-disable-with>
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action="/tracierenea/gnuradio/delete/fec/ldpc_methods/gr-fec/examples/ber_curve_gen.grc"
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/></div>
+ <form accept-charset="UTF-8"
action="/tracierenea/gnuradio/delete/fec/ldpc_methods/gr-fec/examples/ber_curve_gen.grc"
class="inline-form" method="post"><div
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@@ -11163,7 +11163,7 @@
<span class="mega-octicon octicon-mark-github" title="GitHub"></span>
</a>
<ul class="site-footer-links">
- <li>© 2015 <span title="0.25830s from
github-fe131-cp1-prd.iad.github.net">GitHub</span>, Inc.</li>
+ <li>© 2015 <span title="0.14614s from
github-fe132-cp1-prd.iad.github.net">GitHub</span>, Inc.</li>
<li><a href="https://github.com/site/terms"; data-ga-click="Footer, go
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diff --git a/gr-fec/grc/fec_block_tree.xml b/gr-fec/grc/fec_block_tree.xml
index 398ab8c..d81d076 100644
--- a/gr-fec/grc/fec_block_tree.xml
+++ b/gr-fec/grc/fec_block_tree.xml
@@ -49,5 +49,6 @@
<block>fec_bercurve_generator</block>
<block>variable_polar_code_configurator</block>
<block>variable_ldpc_par_chk_mtrx_def</block>
+ <block>variable_ldpc_R_U_mtrx_def</block>
</cat>
</cat>
diff --git a/gr-fec/grc/variable_parity_check_matrix_object.xml
b/gr-fec/grc/variable_ldpc_R_U_mtrx_object.xml
similarity index 85%
rename from gr-fec/grc/variable_parity_check_matrix_object.xml
rename to gr-fec/grc/variable_ldpc_R_U_mtrx_object.xml
index 11331af..07edf86 100644
--- a/gr-fec/grc/variable_parity_check_matrix_object.xml
+++ b/gr-fec/grc/variable_ldpc_R_U_mtrx_object.xml
@@ -6,9 +6,9 @@
-->
<block>
<name>LDPC Parity Check Matrix Object</name>
- <key>variable_ldpc_par_chk_mtrx_def</key>
+ <key>variable_ldpc_R_U_mtrx_def</key>
<import>from gnuradio import fec</import>
- <var_make>self.$(id) = $(id) = fec.ldpc_par_chk_mtrx($filename,
$gap)</var_make>
+ <var_make>self.$(id) = $(id) = fec.ldpc_R_U_mtrx($filename,
$gap)</var_make>
<make></make>
diff --git a/gr-fec/include/gnuradio/fec/CMakeLists.txt
b/gr-fec/include/gnuradio/fec/CMakeLists.txt
index 861c4c2..cc5cee1 100644
--- a/gr-fec/include/gnuradio/fec/CMakeLists.txt
+++ b/gr-fec/include/gnuradio/fec/CMakeLists.txt
@@ -53,6 +53,7 @@ install(FILES
polar_decoder_sc_list.h
polar_decoder_common.h
ldpc_par_chk_mtrx.h
+ ldpc_R_U_mtrx.h
ldpc_bit_flip_decoder.h
ldpc_R_U_encoder.h
DESTINATION ${GR_INCLUDE_DIR}/gnuradio/fec
diff --git a/gr-fec/include/gnuradio/fec/ldpc_R_U_encoder.h
b/gr-fec/include/gnuradio/fec/ldpc_R_U_encoder.h
index 90378d5..826bb6e 100644
--- a/gr-fec/include/gnuradio/fec/ldpc_R_U_encoder.h
+++ b/gr-fec/include/gnuradio/fec/ldpc_R_U_encoder.h
@@ -23,7 +23,7 @@
#include <gnuradio/fec/api.h>
#include <gnuradio/fec/generic_encoder.h>
-#include <gnuradio/fec/ldpc_par_chk_mtrx.h>
+#include <gnuradio/fec/ldpc_R_U_mtrx.h>
namespace gr {
namespace fec {
@@ -48,7 +48,7 @@ namespace gr {
* for encoding. This is the same matrix used for
* decoding.
*/
- static generic_encoder::sptr make(ldpc_par_chk_mtrx *H_obj);
+ static generic_encoder::sptr make(ldpc_R_U_mtrx *H_obj);
/*!
* Sets the uncoded frame size to \p frame_size. If \p
diff --git a/gr-fec/include/gnuradio/fec/ldpc_par_chk_mtrx.h
b/gr-fec/include/gnuradio/fec/ldpc_R_U_mtrx.h
similarity index 91%
rename from gr-fec/include/gnuradio/fec/ldpc_par_chk_mtrx.h
rename to gr-fec/include/gnuradio/fec/ldpc_R_U_mtrx.h
index 5b9efea..216cc64 100644
--- a/gr-fec/include/gnuradio/fec/ldpc_par_chk_mtrx.h
+++ b/gr-fec/include/gnuradio/fec/ldpc_R_U_mtrx.h
@@ -18,8 +18,8 @@
* Boston, MA 02110-1301, USA.
*/
-#ifndef INCLUDED_ldpc_par_chk_mtrx_H
-#define INCLUDED_ldpc_par_chk_mtrx_H
+#ifndef INCLUDED_ldpc_R_U_mtrx_H
+#define INCLUDED_ldpc_R_U_mtrx_H
#include <gnuradio/fec/api.h>
#include <string>
@@ -33,7 +33,7 @@
namespace gr {
namespace fec {
namespace code {
- class FEC_API ldpc_par_chk_mtrx
+ class FEC_API ldpc_R_U_mtrx
{
private:
// Codeword length n (also the number of columns in the H
@@ -63,9 +63,9 @@ namespace gr {
void set_parameters_for_encoding();
public:
- ldpc_par_chk_mtrx(const std::string filename, unsigned int gap);
+ ldpc_R_U_mtrx(const std::string filename, unsigned int gap);
// Default constructor, should not be used
- ldpc_par_chk_mtrx();
+ ldpc_R_U_mtrx();
// Get the codeword length n
unsigned int n();
// Get the information word length k
@@ -88,10 +88,10 @@ namespace gr {
// operations
gsl_matrix *calc_inverse_mod2(const gsl_matrix *);
// Destructor
- ~ldpc_par_chk_mtrx();
+ ~ldpc_R_U_mtrx();
};
}
}
}
- #endif /* INCLUDED_ldpc_par_chk_mtrx_H */
\ No newline at end of file
+ #endif /* INCLUDED_ldpc_R_U_mtrx_H */
\ No newline at end of file
diff --git a/gr-fec/include/gnuradio/fec/ldpc_bit_flip_decoder.h
b/gr-fec/include/gnuradio/fec/ldpc_bit_flip_decoder.h
index 628ec6a..05d47fc 100644
--- a/gr-fec/include/gnuradio/fec/ldpc_bit_flip_decoder.h
+++ b/gr-fec/include/gnuradio/fec/ldpc_bit_flip_decoder.h
@@ -24,7 +24,7 @@
#include <gnuradio/fec/api.h>
#include <gnuradio/fec/generic_decoder.h>
-#include <gnuradio/fec/ldpc_par_chk_mtrx.h>
+#include <gnuradio/fec/ldpc_R_U_mtrx.h>
namespace gr {
namespace fec {
@@ -63,7 +63,7 @@ namespace gr {
* \param n Number of bits in each transmitted codeword,
* usually denoted "n" in the literature.
*/
- static generic_decoder::sptr make(ldpc_par_chk_mtrx *H_obj,
+ static generic_decoder::sptr make(ldpc_R_U_mtrx *H_obj,
unsigned int max_iter=100);
/*!
* Sets the uncoded frame size to \p frame_size. If \p
diff --git a/gr-fec/lib/CMakeLists.txt b/gr-fec/lib/CMakeLists.txt
index 5e4bf72..f7b4558 100644
--- a/gr-fec/lib/CMakeLists.txt
+++ b/gr-fec/lib/CMakeLists.txt
@@ -90,6 +90,7 @@ list(APPEND gnuradio_fec_sources
scl_list.cc
ldpc_par_chk_mtrx_impl.cc
ldpc_par_chk_mtrx.cc
+ ldpc_R_U_mtrx.cc
ldpc_bit_flip_decoder_impl.cc
ldpc_R_U_encoder_impl.cc
)
diff --git a/gr-fec/lib/ldpc_R_U_encoder_impl.cc
b/gr-fec/lib/ldpc_R_U_encoder_impl.cc
index 01ebfca..37ec192 100644
--- a/gr-fec/lib/ldpc_R_U_encoder_impl.cc
+++ b/gr-fec/lib/ldpc_R_U_encoder_impl.cc
@@ -29,13 +29,13 @@ namespace gr {
namespace fec {
namespace code {
generic_encoder::sptr
- ldpc_R_U_encoder::make(ldpc_par_chk_mtrx *H_obj)
+ ldpc_R_U_encoder::make(ldpc_R_U_mtrx *H_obj)
{
return generic_encoder::sptr
(new ldpc_R_U_encoder_impl(H_obj));
}
- ldpc_R_U_encoder_impl::ldpc_R_U_encoder_impl(ldpc_par_chk_mtrx *H_obj)
+ ldpc_R_U_encoder_impl::ldpc_R_U_encoder_impl(ldpc_R_U_mtrx *H_obj)
: generic_encoder("ldpc_R_U_encoder")
{
// LDPC parity check matrix to use for encoding
diff --git a/gr-fec/lib/ldpc_R_U_encoder_impl.h
b/gr-fec/lib/ldpc_R_U_encoder_impl.h
index d2cacff..6417380 100644
--- a/gr-fec/lib/ldpc_R_U_encoder_impl.h
+++ b/gr-fec/lib/ldpc_R_U_encoder_impl.h
@@ -24,7 +24,7 @@
#include <map>
#include <string>
#include <gnuradio/fec/ldpc_R_U_encoder.h>
-#include <gnuradio/fec/ldpc_par_chk_mtrx.h>
+#include <gnuradio/fec/ldpc_R_U_mtrx.h>
namespace gr {
namespace fec {
@@ -39,10 +39,10 @@ namespace gr {
// Number of bits in the information word
unsigned int d_frame_size;
// LDPC parity check matrix object to use for encoding
- ldpc_par_chk_mtrx *d_H;
+ ldpc_R_U_mtrx *d_H;
public:
- ldpc_R_U_encoder_impl(ldpc_par_chk_mtrx *H_obj);
+ ldpc_R_U_encoder_impl(ldpc_R_U_mtrx *H_obj);
~ldpc_R_U_encoder_impl();
bool set_frame_size(unsigned int frame_size);
diff --git a/gr-fec/lib/ldpc_par_chk_mtrx.cc b/gr-fec/lib/ldpc_R_U_mtrx.cc
similarity index 92%
rename from gr-fec/lib/ldpc_par_chk_mtrx.cc
rename to gr-fec/lib/ldpc_R_U_mtrx.cc
index 56c14d6..a1e9116 100644
--- a/gr-fec/lib/ldpc_par_chk_mtrx.cc
+++ b/gr-fec/lib/ldpc_R_U_mtrx.cc
@@ -21,7 +21,7 @@
#include "config.h"
#endif
-#include <gnuradio/fec/ldpc_par_chk_mtrx.h>
+#include <gnuradio/fec/ldpc_R_U_mtrx.h>
#include <math.h>
#include <fstream>
#include <vector>
@@ -32,7 +32,7 @@ namespace gr {
namespace fec {
namespace code {
- ldpc_par_chk_mtrx::ldpc_par_chk_mtrx(const std::string filename,
unsigned int gap)
+ ldpc_R_U_mtrx::ldpc_R_U_mtrx(const std::string filename, unsigned int
gap)
{
read_matrix_from_file(filename);
d_gap = gap;
@@ -40,77 +40,77 @@ namespace gr {
} // Constructor
// Default constructor, should not be used
- ldpc_par_chk_mtrx::ldpc_par_chk_mtrx()
+ ldpc_R_U_mtrx::ldpc_R_U_mtrx()
{
- std::cout << "Error in ldpc_par_chk_mtrx(): Default "
+ std::cout << "Error in ldpc_R_U_mtrx(): Default "
<< "constructor called.\nMust provide filename for"
<< " parity check matrix. \n\n";
exit(1);
} // Default constructor
unsigned int
- ldpc_par_chk_mtrx::n()
+ ldpc_R_U_mtrx::n()
{
return d_n;
}
unsigned int
- ldpc_par_chk_mtrx::k()
+ ldpc_R_U_mtrx::k()
{
return d_k;
}
const gsl_matrix*
- ldpc_par_chk_mtrx::H()
+ ldpc_R_U_mtrx::H()
{
const gsl_matrix *H_ptr = d_H_ptr;
return H_ptr;
}
const gsl_matrix*
- ldpc_par_chk_mtrx::A()
+ ldpc_R_U_mtrx::A()
{
const gsl_matrix *A_ptr = &d_A_view.matrix;
return A_ptr;
}
const gsl_matrix*
- ldpc_par_chk_mtrx::B()
+ ldpc_R_U_mtrx::B()
{
const gsl_matrix *B_ptr = &d_B_view.matrix;
return B_ptr;
}
const gsl_matrix*
- ldpc_par_chk_mtrx::D()
+ ldpc_R_U_mtrx::D()
{
const gsl_matrix *D_ptr = &d_D_view.matrix;
return D_ptr;
}
const gsl_matrix*
- ldpc_par_chk_mtrx::E()
+ ldpc_R_U_mtrx::E()
{
const gsl_matrix *E_ptr = &d_E_view.matrix;
return E_ptr;
}
const gsl_matrix*
- ldpc_par_chk_mtrx::T_inverse()
+ ldpc_R_U_mtrx::T_inverse()
{
const gsl_matrix *T_inverse_ptr = d_T_inverse_ptr;
return T_inverse_ptr;
}
const gsl_matrix*
- ldpc_par_chk_mtrx::phi_inverse()
+ ldpc_R_U_mtrx::phi_inverse()
{
const gsl_matrix *phi_inverse_ptr = d_phi_inverse_ptr;
return phi_inverse_ptr;
}
void
- ldpc_par_chk_mtrx::read_matrix_from_file(const std::string filename)
+ ldpc_R_U_mtrx::read_matrix_from_file(const std::string filename)
{
/* This function reads in an alist file and creates the
corresponding parity check matrix. The format of alist
@@ -176,7 +176,7 @@ namespace gr {
}
void
- ldpc_par_chk_mtrx::set_parameters_for_encoding()
+ ldpc_R_U_mtrx::set_parameters_for_encoding()
{
// This function defines all of the submatrices that will be
@@ -253,7 +253,7 @@ namespace gr {
}
gsl_matrix*
- ldpc_par_chk_mtrx::add_matrices_mod2(const gsl_matrix *matrix1, const
gsl_matrix *matrix2)
+ ldpc_R_U_mtrx::add_matrices_mod2(const gsl_matrix *matrix1, const
gsl_matrix *matrix2)
{
// This function returns ((matrix1 + matrix2) % 2).
// (same thing as ((matrix1 - matrix2) % 2)
@@ -299,7 +299,7 @@ namespace gr {
}
gsl_matrix*
- ldpc_par_chk_mtrx::mult_matrices_mod2(const gsl_matrix *matrix1, const
gsl_matrix *matrix2)
+ ldpc_R_U_mtrx::mult_matrices_mod2(const gsl_matrix *matrix1, const
gsl_matrix *matrix2)
{
// Verify that matrix sizes are appropriate
unsigned int a = (*matrix1).size1; // # of rows
@@ -308,7 +308,7 @@ namespace gr {
unsigned int d = (*matrix2).size2; // # of columns
if (b != c) {
std::cout << "Error in "
- << "ldpc_par_chk_mtrx::mult_matrices_mod2."
+ << "ldpc_R_U_mtrx::mult_matrices_mod2."
<< " Matrix dimensions do not allow for matrix "
<< "multiplication operation:\nmatrix1 is "
<< a << " x " << b << ", and matrix2 is " << c
@@ -338,7 +338,7 @@ namespace gr {
}
gsl_matrix*
- ldpc_par_chk_mtrx::calc_inverse_mod2(const gsl_matrix *original_matrix)
+ ldpc_R_U_mtrx::calc_inverse_mod2(const gsl_matrix *original_matrix)
{
// Let n represent the size of the n x n square matrix
@@ -426,7 +426,7 @@ namespace gr {
return matrix_inverse;
}
- ldpc_par_chk_mtrx::~ldpc_par_chk_mtrx()
+ ldpc_R_U_mtrx::~ldpc_R_U_mtrx()
{
// Call the gsl_matrix_free function to free memory.
gsl_matrix_free (d_H_ptr);
diff --git a/gr-fec/lib/ldpc_bit_flip_decoder_impl.cc
b/gr-fec/lib/ldpc_bit_flip_decoder_impl.cc
index dd5051d..effc9ad 100644
--- a/gr-fec/lib/ldpc_bit_flip_decoder_impl.cc
+++ b/gr-fec/lib/ldpc_bit_flip_decoder_impl.cc
@@ -35,14 +35,14 @@ namespace gr {
namespace code {
generic_decoder::sptr
- ldpc_bit_flip_decoder::make(ldpc_par_chk_mtrx *H_obj,
+ ldpc_bit_flip_decoder::make(ldpc_R_U_mtrx *H_obj,
unsigned int max_iter)
{
return generic_decoder::sptr
(new ldpc_bit_flip_decoder_impl(H_obj, max_iter));
}
- ldpc_bit_flip_decoder_impl::ldpc_bit_flip_decoder_impl(ldpc_par_chk_mtrx
*H_obj, unsigned int max_iter)
+ ldpc_bit_flip_decoder_impl::ldpc_bit_flip_decoder_impl(ldpc_R_U_mtrx
*H_obj, unsigned int max_iter)
: generic_decoder("ldpc_bit_flip_decoder")
{
// LDPC parity check matrix to use for decoding
@@ -56,9 +56,6 @@ namespace gr {
ldpc_bit_flip_decoder_impl::~ldpc_bit_flip_decoder_impl()
{
- // Free memory
- gsl_matrix_free(d_syndrome);
- gsl_matrix_free(d_x);
}
int
@@ -102,24 +99,24 @@ namespace gr {
const float *in = (const float*)inbuffer;
unsigned int index, n = d_H->n();
- d_x = gsl_matrix_alloc(n, 1);
+ gsl_matrix *x = gsl_matrix_alloc(n, 1);
for (index = 0; index < n; index++) {
double value = in[index] > 0 ? 1.0 : 0.0;
- gsl_matrix_set(d_x, index, 0, value);
+ gsl_matrix_set(x, index, 0, value);
}
// Initialize counter
unsigned int count = 0;
// Calculate syndrome
- d_syndrome = d_H->mult_matrices_mod2(d_H->H(), d_x);
+ gsl_matrix *syndrome = d_H->mult_matrices_mod2(d_H->H(),x);
// Flag for finding a valid codeword
bool found_word = false;
// If the syndrome is all 0s, then codeword is valid and we
// don't need to loop; we're done.
- if (gsl_matrix_isnull(d_syndrome)) {
+ if (gsl_matrix_isnull(syndrome)) {
found_word = true;
}
@@ -132,8 +129,8 @@ namespace gr {
// syndrome. The entry numbers correspond to the rows of
// interest in H.
std::vector<int> rows_of_interest_in_H;
- for (index = 0; index < (*d_syndrome).size1; index++) {
- if (gsl_matrix_get(d_syndrome, index, 0)) {
+ for (index = 0; index < (*syndrome).size1; index++) {
+ if (gsl_matrix_get(syndrome, index, 0)) {
rows_of_interest_in_H.push_back(index);
}
}
@@ -166,15 +163,15 @@ namespace gr {
for (index = 0; index < n; index++) {
if (counts[index] == max) {
- unsigned int value = gsl_matrix_get(d_x, index, 0);
+ unsigned int value = gsl_matrix_get(x, index, 0);
unsigned int new_value = value ^ 1;
- gsl_matrix_set(d_x, index, 0, new_value);
+ gsl_matrix_set(x, index, 0, new_value);
}
}
// Check the syndrome; see if valid codeword has been found
- d_syndrome = d_H->mult_matrices_mod2(d_H->H(), d_x);
- if (gsl_matrix_isnull(d_syndrome)) {
+ syndrome = d_H->mult_matrices_mod2(d_H->H(), x);
+ if (gsl_matrix_isnull(syndrome)) {
found_word = true;
break;
}
@@ -186,10 +183,14 @@ namespace gr {
unsigned char *out = (unsigned char*) outbuffer;
for (index = 0; index < d_frame_size; index++) {
unsigned int i = index + n - d_frame_size;
- int value = gsl_matrix_get(d_x, i, 0);
+ int value = gsl_matrix_get(x, i, 0);
out[index] = value;
-
}
+
+ // Free memory
+ gsl_matrix_free(syndrome);
+ gsl_matrix_free(x);
+
} /* ldpc_bit_flip_decoder_impl::generic_work() */
} /* namespace code */
} /* namespace fec */
diff --git a/gr-fec/lib/ldpc_bit_flip_decoder_impl.h
b/gr-fec/lib/ldpc_bit_flip_decoder_impl.h
index 8763750..bbb4620 100644
--- a/gr-fec/lib/ldpc_bit_flip_decoder_impl.h
+++ b/gr-fec/lib/ldpc_bit_flip_decoder_impl.h
@@ -22,7 +22,7 @@
#define INCLUDED_FEC_LDPC_BIT_FLIP_DECODER_IMPL_H
#include <gnuradio/fec/ldpc_bit_flip_decoder.h>
-#include <gnuradio/fec/ldpc_par_chk_mtrx.h>
+#include <gnuradio/fec/ldpc_R_U_mtrx.h>
namespace gr {
namespace fec {
@@ -37,16 +37,12 @@ namespace gr {
unsigned int d_frame_size;
// LDPC parity check matrix object to use for decoding
- ldpc_par_chk_mtrx *d_H;
+ ldpc_R_U_mtrx *d_H;
// Maximum number of iterations to do in decoding algorithm
unsigned int d_max_iterations;
- // Syndrome for each codeword guess
- gsl_matrix *d_syndrome;
- // Codeword
- gsl_matrix *d_x;
public:
- ldpc_bit_flip_decoder_impl(ldpc_par_chk_mtrx *H_obj,
+ ldpc_bit_flip_decoder_impl(ldpc_R_U_mtrx *H_obj,
unsigned int max_iter=100);
~ldpc_bit_flip_decoder_impl();
diff --git a/gr-fec/python/fec/qa_fecapi_ldpc.py
b/gr-fec/python/fec/qa_fecapi_ldpc.py
index e731197..08c7a83 100644
--- a/gr-fec/python/fec/qa_fecapi_ldpc.py
+++ b/gr-fec/python/fec/qa_fecapi_ldpc.py
@@ -38,7 +38,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
def test_parallelism0_00(self):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
enc = fec.ldpc_R_U_encoder_make(LDPC_matrix_object)
dec = fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)
@@ -55,7 +55,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
def test_parallelism0_01(self):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
enc = fec.ldpc_R_U_encoder_make(LDPC_matrix_object)
dec = fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)
@@ -72,7 +72,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
def test_parallelism0_02(self):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
enc = fec.ldpc_R_U_encoder_make(LDPC_matrix_object)
dec = fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)
@@ -86,11 +86,10 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
self.assertEqual(data_in, data_out)
-
def test_parallelism1_00(self):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
enc = map((lambda a: fec.ldpc_R_U_encoder_make(LDPC_matrix_object)),
range(0,1))
dec = map((lambda a:
fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)), range(0,1))
@@ -107,7 +106,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
def test_parallelism1_01(self):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
enc = map((lambda a: fec.ldpc_R_U_encoder_make(LDPC_matrix_object)),
range(0,1))
dec = map((lambda a:
fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)), range(0,1))
@@ -124,7 +123,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
def test_parallelism1_02(self):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
enc = map((lambda a: fec.ldpc_R_U_encoder_make(LDPC_matrix_object)),
range(0,1))
dec = map((lambda a:
fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)), range(0,1))
@@ -142,7 +141,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
dims = 10
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
enc = map((lambda a: fec.ldpc_R_U_encoder_make(LDPC_matrix_object)),
range(0,dims))
dec = map((lambda a:
fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)), range(0,dims))
@@ -160,7 +159,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
dims = 16
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
enc = map((lambda a: fec.ldpc_R_U_encoder_make(LDPC_matrix_object)),
range(0,dims))
dec = map((lambda a:
fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)), range(0,dims))
@@ -178,7 +177,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
dims = 5
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
enc = map((lambda a: fec.ldpc_R_U_encoder_make(LDPC_matrix_object)),
range(0,dims))
# dec = map((lambda a:
fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)), range(0,dims))
@@ -189,7 +188,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
dims = 5
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
# enc = map((lambda a: fec.ldpc_R_U_encoder_make(LDPC_matrix_object)),
range(0,dims))
dec = map((lambda a:
fec.ldpc_bit_flip_decoder.make(LDPC_matrix_object)), range(0,dims))
@@ -200,7 +199,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
dims = 5
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
dims1 = 16
dims2 = 16
@@ -213,7 +212,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
dims = 5
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
dims1 = 16
dims2 = 16
@@ -226,7 +225,7 @@ class test_fecapi_ldpc(gr_unittest.TestCase):
filename = "LDPC/n_0100_k_0027_gap_04.alist"
gap = 4
dims = 5
- LDPC_matrix_object = fec.ldpc_par_chk_mtrx(filename, gap)
+ LDPC_matrix_object = fec.ldpc_R_U_mtrx(filename, gap)
k = LDPC_matrix_object.k()
dims1 = 16
dims2 = 16
diff --git a/gr-fec/swig/fec_swig.i b/gr-fec/swig/fec_swig.i
index 20fdc8a..64e6fa4 100644
--- a/gr-fec/swig/fec_swig.i
+++ b/gr-fec/swig/fec_swig.i
@@ -68,6 +68,7 @@
#include "gnuradio/fec/polar_decoder_sc_list.h"
#include "gnuradio/fec/polar_decoder_common.h"
#include "gnuradio/fec/ldpc_par_chk_mtrx.h"
+#include "gnuradio/fec/ldpc_R_U_mtrx.h"
#include "gnuradio/fec/ldpc_bit_flip_decoder.h"
#include "gnuradio/fec/ldpc_R_U_encoder.h"
%}
@@ -99,6 +100,7 @@
%include "gnuradio/fec/tpc_encoder.h"
%include "gnuradio/fec/tpc_decoder.h"
%include "gnuradio/fec/ldpc_par_chk_mtrx.h"
+%include "gnuradio/fec/ldpc_R_U_mtrx.h"
%include "gnuradio/fec/ldpc_bit_flip_decoder.h"
%include "gnuradio/fec/ldpc_R_U_encoder.h"
- [Commit-gnuradio] [gnuradio] 22/39: fec: LDPC: Updating decoder to handle parity bits either first or last., (continued)
- [Commit-gnuradio] [gnuradio] 22/39: fec: LDPC: Updating decoder to handle parity bits either first or last., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 28/39: qtgui: fixes calculation of BPSK BER curve., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 05/39: fec: LDPC: Adding LDPC encoder variable., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 34/39: fec: LDPC: changing namespace of ldpc_encoder back., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 30/39: fec: Updated docs for Forward Error Correction section in manual., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 32/39: fec: LDPC: removing apps until we can fix them up properly., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 35/39: fec: LDPC: better docs describing encoder/decoders and how to use., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 39/39: Merge remote-tracking branch 'tom/fec/ldpc_methods', git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 26/39: fec: LDPC: Setting copyright date to current year., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 38/39: fec: LDPC: added back all QA tests and added a test of ldpc_gen_mtrx_encoder., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 13/39: fec: LDPC: Renaming class from ldpc_par_chk_mtrx to ldpc_R_U_mtrx,
git <=
- [Commit-gnuradio] [gnuradio] 36/39: fec: LDPC: reworking code to make sure API is ok., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 25/39: fec: LDPC: Moving alist files to a more global place; updating example., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 04/39: fec: LDPC: Classes for LDPC encoder., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 02/39: fec: LDPC: Adding framework for bit flip decoder., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 29/39: fec: LDPC: Fixes GRC files for BER curve examples., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 31/39: fec: LDPC: massive code clean up and change., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 17/39: fec: LDPC: updates to the 3 LDPC-related matrix classes., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 08/39: fec: LDPC: Adding 3 LDPC-related xml files for GRC., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 14/39: fec: LDPC: Reducing complexity of encoder by adding back solve., git, 2015/10/15
- [Commit-gnuradio] [gnuradio] 20/39: fec: LDPC: Updating GRC blocks for the recent LDPC classes' updates., git, 2015/10/15