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Diffstat (limited to 'decoder/ff_sample_fsa.h')
-rwxr-xr-xdecoder/ff_sample_fsa.h20
1 files changed, 10 insertions, 10 deletions
diff --git a/decoder/ff_sample_fsa.h b/decoder/ff_sample_fsa.h
index 74d9e7b5..2aeaa6de 100755
--- a/decoder/ff_sample_fsa.h
+++ b/decoder/ff_sample_fsa.h
@@ -3,11 +3,11 @@
#include "ff_from_fsa.h"
-// example: feature val = -1 * # of target words
+// example: feature val = 1 * # of target words
struct WordPenaltyFsa : public FsaFeatureFunctionBase<WordPenaltyFsa> {
static std::string usage(bool param,bool verbose) {
return FeatureFunction::usage_helper(
- "WordPenaltyFsa","","-1 per target word"
+ "WordPenaltyFsa","","1 per target word"
,param,verbose);
}
@@ -21,7 +21,7 @@ struct WordPenaltyFsa : public FsaFeatureFunctionBase<WordPenaltyFsa> {
}
// move from state to next_state after seeing word x, while emitting features->add_value(fid,val) possibly with duplicates. state and next_state may be same memory.
Featval Scan1(WordID w,void const* state,void *next_state) const {
- return -1;
+ return 1;
}
};
@@ -35,7 +35,7 @@ struct LongerThanPrev : public FsaFeatureFunctionBase<LongerThanPrev> {
return FeatureFunction::usage_helper(
"LongerThanPrev",
"",
- "stupid example stateful (bigram) feature: -1 per target word that's longer than the previous word (<s> sentence begin considered 3 chars long, </s> is sentence end.)",
+ "stupid example stateful (bigram) feature: 1 per target word that's longer than the previous word (<s> sentence begin considered 3 chars long, </s> is sentence end.)",
param,verbose);
}
@@ -49,7 +49,7 @@ struct LongerThanPrev : public FsaFeatureFunctionBase<LongerThanPrev> {
return std::strlen(TD::Convert(w));
}
int markov_order() const { return 1; }
- LongerThanPrev(std::string const& param) : Base(sizeof(int),singleton_sentence(TD::se)) {
+ LongerThanPrev(std::string const& param) : Base(sizeof(int)/* ,singleton_sentence(TD::se) */) {
Init();
if (0) { // all this is done in constructor already
set_state_bytes(sizeof(int));
@@ -61,7 +61,7 @@ struct LongerThanPrev : public FsaFeatureFunctionBase<LongerThanPrev> {
to_state(h_start.begin(),&ss,1);
}
- state(start.begin())=3;
+ state(start.begin())=999999;
state(h_start.begin())=4; // estimate: anything >4 chars is usually longer than previous
}
@@ -70,7 +70,7 @@ struct LongerThanPrev : public FsaFeatureFunctionBase<LongerThanPrev> {
int prevlen=state(from);
int len=wordlen(w);
state(next_state)=len;
- return len>prevlen ? -1 : 0;
+ return len>prevlen ? 1 : 0;
}
};
@@ -82,7 +82,7 @@ struct ShorterThanPrev : FsaTypedBase<int,ShorterThanPrev> {
return FeatureFunction::usage_helper(
"ShorterThanPrev",
"",
- "stupid example stateful (bigram) feature: -1 per target word that's shorter than the previous word (end of sentence considered '</s>')",
+ "stupid example stateful (bigram) feature: 1 per target word that's shorter than the previous word (end of sentence considered '</s>')",
param,verbose);
}
@@ -90,7 +90,7 @@ struct ShorterThanPrev : FsaTypedBase<int,ShorterThanPrev> {
return std::strlen(TD::Convert(w));
}
ShorterThanPrev(std::string const& param)
- : Base(3,4,singleton_sentence(TD::se))
+ : Base(-1,4/* ,singleton_sentence(TD::se) */)
// start, h_start, end_phrase
// estimate: anything <4 chars is usually shorter than previous
{
@@ -106,7 +106,7 @@ struct ShorterThanPrev : FsaTypedBase<int,ShorterThanPrev> {
void ScanT(SentenceMetadata const& /* smeta */,const Hypergraph::Edge& /* edge */,WordID w,int prevlen,int &len,FeatureVector *features) const {
len=wordlen(w);
if (len<prevlen)
- features->add_value(fid_,-1);
+ features->add_value(fid_,1);
}
};