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-rw-r--r--gr-fec/lib/ldpc_gen_mtrx_encoder_impl.cc146
1 files changed, 64 insertions, 82 deletions
diff --git a/gr-fec/lib/ldpc_gen_mtrx_encoder_impl.cc b/gr-fec/lib/ldpc_gen_mtrx_encoder_impl.cc
index 32823bb674..76c4268860 100644
--- a/gr-fec/lib/ldpc_gen_mtrx_encoder_impl.cc
+++ b/gr-fec/lib/ldpc_gen_mtrx_encoder_impl.cc
@@ -26,86 +26,68 @@
#include <sstream>
namespace gr {
- namespace fec {
- namespace code {
-
- generic_encoder::sptr
- ldpc_gen_mtrx_encoder::make(const ldpc_G_matrix::sptr G_obj)
- {
- return generic_encoder::sptr
- (new ldpc_gen_mtrx_encoder_impl(G_obj));
- }
-
- ldpc_gen_mtrx_encoder_impl::ldpc_gen_mtrx_encoder_impl(const ldpc_G_matrix::sptr G_obj)
- : generic_encoder("ldpc_gen_mtrx_encoder")
- {
- // Generator matrix to use for encoding
- d_G = G_obj;
-
- d_rate = static_cast<double>(d_G->n())/static_cast<double>(d_G->k());
-
- // Set frame size to k, the # of bits in the information word
- // All buffers and settings will be based on this value.
- set_frame_size(d_G->k());
- }
-
- ldpc_gen_mtrx_encoder_impl::~ldpc_gen_mtrx_encoder_impl()
- {
- }
-
- int
- ldpc_gen_mtrx_encoder_impl::get_output_size()
- {
- return d_output_size;
- }
-
- int
- ldpc_gen_mtrx_encoder_impl::get_input_size()
- {
- return d_frame_size;
- }
-
- bool
- ldpc_gen_mtrx_encoder_impl::set_frame_size(unsigned int frame_size)
- {
- bool ret = true;
-
- if(frame_size % d_G->k() != 0) {
- GR_LOG_ERROR(d_logger, boost::format("Frame size (%1% bits) must be a "
- "multiple of the information word "
- "size of the LDPC matrix (%2%).") \
- % frame_size % (d_G->k()));
- throw std::runtime_error("ldpc_gen_mtrx_encoder: cannot use frame size.");
- }
-
- d_frame_size = frame_size;
-
- d_output_size = static_cast<int>(d_rate * d_frame_size);
-
- return ret;
- }
-
- double
- ldpc_gen_mtrx_encoder_impl::rate()
- {
- return d_rate;
- }
-
- void
- ldpc_gen_mtrx_encoder_impl::generic_work(void *inbuffer,
- void *outbuffer)
- {
- // Populate the information word
- const unsigned char *in = (const unsigned char *)inbuffer;
- unsigned char *out = (unsigned char*)outbuffer;
-
- int j = 0;
- for(int i = 0; i < get_input_size(); i+=d_G->k()) {
- d_G->encode(&out[j], &in[i]);
- j += d_G->n();
- }
- }
-
- } /* namespace code */
- } /* namespace fec */
+namespace fec {
+namespace code {
+
+generic_encoder::sptr ldpc_gen_mtrx_encoder::make(const ldpc_G_matrix::sptr G_obj)
+{
+ return generic_encoder::sptr(new ldpc_gen_mtrx_encoder_impl(G_obj));
+}
+
+ldpc_gen_mtrx_encoder_impl::ldpc_gen_mtrx_encoder_impl(const ldpc_G_matrix::sptr G_obj)
+ : generic_encoder("ldpc_gen_mtrx_encoder")
+{
+ // Generator matrix to use for encoding
+ d_G = G_obj;
+
+ d_rate = static_cast<double>(d_G->n()) / static_cast<double>(d_G->k());
+
+ // Set frame size to k, the # of bits in the information word
+ // All buffers and settings will be based on this value.
+ set_frame_size(d_G->k());
+}
+
+ldpc_gen_mtrx_encoder_impl::~ldpc_gen_mtrx_encoder_impl() {}
+
+int ldpc_gen_mtrx_encoder_impl::get_output_size() { return d_output_size; }
+
+int ldpc_gen_mtrx_encoder_impl::get_input_size() { return d_frame_size; }
+
+bool ldpc_gen_mtrx_encoder_impl::set_frame_size(unsigned int frame_size)
+{
+ bool ret = true;
+
+ if (frame_size % d_G->k() != 0) {
+ GR_LOG_ERROR(d_logger,
+ boost::format("Frame size (%1% bits) must be a "
+ "multiple of the information word "
+ "size of the LDPC matrix (%2%).") %
+ frame_size % (d_G->k()));
+ throw std::runtime_error("ldpc_gen_mtrx_encoder: cannot use frame size.");
+ }
+
+ d_frame_size = frame_size;
+
+ d_output_size = static_cast<int>(d_rate * d_frame_size);
+
+ return ret;
+}
+
+double ldpc_gen_mtrx_encoder_impl::rate() { return d_rate; }
+
+void ldpc_gen_mtrx_encoder_impl::generic_work(void* inbuffer, void* outbuffer)
+{
+ // Populate the information word
+ const unsigned char* in = (const unsigned char*)inbuffer;
+ unsigned char* out = (unsigned char*)outbuffer;
+
+ int j = 0;
+ for (int i = 0; i < get_input_size(); i += d_G->k()) {
+ d_G->encode(&out[j], &in[i]);
+ j += d_G->n();
+ }
+}
+
+} /* namespace code */
+} /* namespace fec */
} /* namespace gr */