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authorAchilleas Anastasopoulos2011-02-18 23:55:50 -0500
committerAchilleas Anastasopoulos2011-02-18 23:55:50 -0500
commitf737dc447be394e509907acec90a6a4492e16995 (patch)
treefe73abfc8e8bc88eba09242d8edb8ac4ace50337 /gr-trellis/src/lib/trellis_sccc_decoder_combined_XX.cc.t
parent4475307c9465514457dc16ad515508de560215eb (diff)
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templated siso_combined
removed Makefile.gen from git tracking
Diffstat (limited to 'gr-trellis/src/lib/trellis_sccc_decoder_combined_XX.cc.t')
-rw-r--r--gr-trellis/src/lib/trellis_sccc_decoder_combined_XX.cc.t333
1 files changed, 3 insertions, 330 deletions
diff --git a/gr-trellis/src/lib/trellis_sccc_decoder_combined_XX.cc.t b/gr-trellis/src/lib/trellis_sccc_decoder_combined_XX.cc.t
index c23445e61..f354197dd 100644
--- a/gr-trellis/src/lib/trellis_sccc_decoder_combined_XX.cc.t
+++ b/gr-trellis/src/lib/trellis_sccc_decoder_combined_XX.cc.t
@@ -30,6 +30,8 @@
#include <gr_io_signature.h>
#include <assert.h>
#include <iostream>
+#include "core_algorithms.h"
+
static const float INF = 1.0e9;
@@ -73,7 +75,7 @@ trellis_make_@BASE_NAME@ (
gr_make_io_signature (1, 1, sizeof (@I_TYPE@)),
gr_make_io_signature (1, 1, sizeof (@O_TYPE@))),
d_FSMo (FSMo), d_STo0 (STo0), d_SToK (SToK),
- d_FSMi (FSMo), d_STi0 (STi0), d_STiK (STiK),
+ d_FSMi (FSMi), d_STi0 (STi0), d_STiK (STiK),
d_INTERLEAVER (INTERLEAVER),
d_blocklength (blocklength),
d_repetitions (repetitions),
@@ -98,337 +100,8 @@ void
}
}
-//=======================================
-
-inline float min(float a, float b)
-{
- return a <= b ? a : b;
-}
-
-inline float min_star(float a, float b)
-{
- return (a <= b ? a : b)-log(1+exp(a <= b ? a-b : b-a));
-}
-
-
-//=======================================
-
-void siso_outer_algorithm(int I, int S, int O,
- const std::vector<int> &NS,
- const std::vector<int> &OS,
- const std::vector< std::vector<int> > &PS,
- const std::vector< std::vector<int> > &PI,
- int K,
- int S0,int SK,
- bool POSTI, bool POSTO,
- float (*p2mymin)(float,float),
- const float *priori, const float *prioro, float *post,
- @O_TYPE@ *data
- )
-{
- float norm,mm,minm;
- std::vector<float> alpha(S*(K+1));
- std::vector<float> beta(S*(K+1));
-
-
- if(S0<0) { // initial state not specified
- for(int i=0;i<S;i++) alpha[0*S+i]=0;
- }
- else {
- for(int i=0;i<S;i++) alpha[0*S+i]=INF;
- alpha[0*S+S0]=0.0;
- }
-
- for(int k=0;k<K;k++) { // forward recursion
- norm=INF;
- for(int j=0;j<S;j++) {
- minm=INF;
- for(unsigned int i=0;i<PS[j].size();i++) {
- //int i0 = j*I+i;
- mm=alpha[k*S+PS[j][i]]+priori[k*I+PI[j][i]]+prioro[k*O+OS[PS[j][i]*I+PI[j][i]]];
- minm=(*p2mymin)(minm,mm);
- }
- alpha[(k+1)*S+j]=minm;
- if(minm<norm) norm=minm;
- }
- for(int j=0;j<S;j++)
- alpha[(k+1)*S+j]-=norm; // normalize total metrics so they do not explode
- }
-
- if(SK<0) { // final state not specified
- for(int i=0;i<S;i++) beta[K*S+i]=0;
- }
- else {
- for(int i=0;i<S;i++) beta[K*S+i]=INF;
- beta[K*S+SK]=0.0;
- }
-
- for(int k=K-1;k>=0;k--) { // backward recursion
- norm=INF;
- for(int j=0;j<S;j++) {
- minm=INF;
- for(int i=0;i<I;i++) {
- int i0 = j*I+i;
- mm=beta[(k+1)*S+NS[i0]]+priori[k*I+i]+prioro[k*O+OS[i0]];
- minm=(*p2mymin)(minm,mm);
- }
- beta[k*S+j]=minm;
- if(minm<norm) norm=minm;
- }
- for(int j=0;j<S;j++)
- beta[k*S+j]-=norm; // normalize total metrics so they do not explode
- }
-
-if (POSTI && POSTO)
-{
- for(int k=0;k<K;k++) { // input combining
- norm=INF;
- for(int i=0;i<I;i++) {
- minm=INF;
- for(int j=0;j<S;j++) {
- mm=alpha[k*S+j]+prioro[k*O+OS[j*I+i]]+beta[(k+1)*S+NS[j*I+i]];
- minm=(*p2mymin)(minm,mm);
- }
- post[k*(I+O)+i]=minm;
- if(minm<norm) norm=minm;
- }
- for(int i=0;i<I;i++)
- post[k*(I+O)+i]-=norm; // normalize metrics
- }
-
-
- for(int k=0;k<K;k++) { // output combining
- norm=INF;
- for(int n=0;n<O;n++) {
- minm=INF;
- for(int j=0;j<S;j++) {
- for(int i=0;i<I;i++) {
- mm= (n==OS[j*I+i] ? alpha[k*S+j]+priori[k*I+i]+beta[(k+1)*S+NS[j*I+i]] : INF);
- minm=(*p2mymin)(minm,mm);
- }
- }
- post[k*(I+O)+I+n]=minm;
- if(minm<norm) norm=minm;
- }
- for(int n=0;n<O;n++)
- post[k*(I+O)+I+n]-=norm; // normalize metrics
- }
-}
-else if(POSTI)
-{
- for(int k=0;k<K;k++) { // input combining
- norm=INF;
- for(int i=0;i<I;i++) {
- minm=INF;
- for(int j=0;j<S;j++) {
- mm=alpha[k*S+j]+prioro[k*O+OS[j*I+i]]+beta[(k+1)*S+NS[j*I+i]];
- minm=(*p2mymin)(minm,mm);
- }
- post[k*I+i]=minm;
- if(minm<norm) norm=minm;
- }
- for(int i=0;i<I;i++)
- post[k*I+i]-=norm; // normalize metrics
- }
-}
-else if(POSTO)
-{
- for(int k=0;k<K;k++) { // output combining
- norm=INF;
- for(int n=0;n<O;n++) {
- minm=INF;
- for(int j=0;j<S;j++) {
- for(int i=0;i<I;i++) {
- mm= (n==OS[j*I+i] ? alpha[k*S+j]+priori[k*I+i]+beta[(k+1)*S+NS[j*I+i]] : INF);
- minm=(*p2mymin)(minm,mm);
- }
- }
- post[k*O+n]=minm;
- if(minm<norm) norm=minm;
- }
- for(int n=0;n<O;n++)
- post[k*O+n]-=norm; // normalize metrics
- }
-}
-else
- throw std::runtime_error ("Not both POSTI and POSTO can be false.");
-
-}
-
-//==================================
-
-void siso_inner_algorithm_combined(int I, int S, int O,
- const std::vector<int> &NS,
- const std::vector<int> &OS,
- const std::vector< std::vector<int> > &PS,
- const std::vector< std::vector<int> > &PI,
- int K,
- int S0,int SK,
- bool POSTI, bool POSTO,
- float (*p2mymin)(float,float),
- int D,
- const std::vector<@I_TYPE@> &TABLE,
- trellis_metric_type_t TYPE,
- const float *priori, const @I_TYPE@ *observations, float *post
- )
-{
- float norm,mm,minm;
- std::vector<float> alpha(S*(K+1));
- std::vector<float> beta(S*(K+1));
- float *prioro = new float[O*K];
-
-
- if(S0<0) { // initial state not specified
- for(int i=0;i<S;i++) alpha[0*S+i]=0;
- }
- else {
- for(int i=0;i<S;i++) alpha[0*S+i]=INF;
- alpha[0*S+S0]=0.0;
- }
-
- for(int k=0;k<K;k++) { // forward recursion
- calc_metric(O, D, TABLE, &(observations[k*D]), &(prioro[k*O]),TYPE); // calc metrics
- norm=INF;
- for(int j=0;j<S;j++) {
- minm=INF;
- for(unsigned int i=0;i<PS[j].size();i++) {
- //int i0 = j*I+i;
- mm=alpha[k*S+PS[j][i]]+priori[k*I+PI[j][i]]+prioro[k*O+OS[PS[j][i]*I+PI[j][i]]];
- minm=(*p2mymin)(minm,mm);
- }
- alpha[(k+1)*S+j]=minm;
- if(minm<norm) norm=minm;
- }
- for(int j=0;j<S;j++)
- alpha[(k+1)*S+j]-=norm; // normalize total metrics so they do not explode
- }
-
- if(SK<0) { // final state not specified
- for(int i=0;i<S;i++) beta[K*S+i]=0;
- }
- else {
- for(int i=0;i<S;i++) beta[K*S+i]=INF;
- beta[K*S+SK]=0.0;
- }
-
- for(int k=K-1;k>=0;k--) { // backward recursion
- norm=INF;
- for(int j=0;j<S;j++) {
- minm=INF;
- for(int i=0;i<I;i++) {
- int i0 = j*I+i;
- mm=beta[(k+1)*S+NS[i0]]+priori[k*I+i]+prioro[k*O+OS[i0]];
- minm=(*p2mymin)(minm,mm);
- }
- beta[k*S+j]=minm;
- if(minm<norm) norm=minm;
- }
- for(int j=0;j<S;j++)
- beta[k*S+j]-=norm; // normalize total metrics so they do not explode
- }
-
-
- if (POSTI && POSTO)
- {
- for(int k=0;k<K;k++) { // input combining
- norm=INF;
- for(int i=0;i<I;i++) {
- minm=INF;
- for(int j=0;j<S;j++) {
- mm=alpha[k*S+j]+prioro[k*O+OS[j*I+i]]+beta[(k+1)*S+NS[j*I+i]];
- minm=(*p2mymin)(minm,mm);
- }
- post[k*(I+O)+i]=minm;
- if(minm<norm) norm=minm;
- }
- for(int i=0;i<I;i++)
- post[k*(I+O)+i]-=norm; // normalize metrics
- }
-
-
- for(int k=0;k<K;k++) { // output combining
- norm=INF;
- for(int n=0;n<O;n++) {
- minm=INF;
- for(int j=0;j<S;j++) {
- for(int i=0;i<I;i++) {
- mm= (n==OS[j*I+i] ? alpha[k*S+j]+priori[k*I+i]+beta[(k+1)*S+NS[j*I+i]] : INF);
- minm=(*p2mymin)(minm,mm);
- }
- }
- post[k*(I+O)+I+n]=minm;
- if(minm<norm) norm=minm;
- }
- for(int n=0;n<O;n++)
- post[k*(I+O)+I+n]-=norm; // normalize metrics
- }
- }
- else if(POSTI)
- {
- for(int k=0;k<K;k++) { // input combining
- norm=INF;
- for(int i=0;i<I;i++) {
- minm=INF;
- for(int j=0;j<S;j++) {
- mm=alpha[k*S+j]+prioro[k*O+OS[j*I+i]]+beta[(k+1)*S+NS[j*I+i]];
- minm=(*p2mymin)(minm,mm);
- }
- post[k*I+i]=minm;
- if(minm<norm) norm=minm;
- }
- for(int i=0;i<I;i++)
- post[k*I+i]-=norm; // normalize metrics
- }
- }
- else if(POSTO)
- {
- for(int k=0;k<K;k++) { // output combining
- norm=INF;
- for(int n=0;n<O;n++) {
- minm=INF;
- for(int j=0;j<S;j++) {
- for(int i=0;i<I;i++) {
- mm= (n==OS[j*I+i] ? alpha[k*S+j]+priori[k*I+i]+beta[(k+1)*S+NS[j*I+i]] : INF);
- minm=(*p2mymin)(minm,mm);
- }
- }
- post[k*O+n]=minm;
- if(minm<norm) norm=minm;
- }
- for(int n=0;n<O;n++)
- post[k*O+n]-=norm; // normalize metrics
- }
- }
- else
- throw std::runtime_error ("Not both POSTI and POSTO can be false.");
-
- delete [] prioro;
-
-}
-
-
-//==========================================================
-
-
-void sccc_decoder_combined(
- const fsm &FSMo, int STo0, int SToK,
- const fsm &FSMi, int STi0, int STiK,
- const interleaver &INTERLEAVER, int blocklength, int repetitions,
- float (*p2mymin)(float,float),
- int D, const std::vector<@I_TYPE@> &TABLE,
- trellis_metric_type_t METRIC_TYPE,
- const @I_TYPE@ *observations, @O_TYPE@ *data
- )
-{
-
-
-
-
-}
-
- //d_FSMo.I(),d_FSMo.S(),d_FSMo.O(),d_FSMo.NS(),d_FSMo.OS(),d_FSMo.PS(),d_FSMo.PI(),
//===========================================================
int