diff options
Diffstat (limited to 'moses/TranslationModel/UG/mm/ug_lexical_phrase_scorer2.h')
| -rw-r--r-- | moses/TranslationModel/UG/mm/ug_lexical_phrase_scorer2.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/moses/TranslationModel/UG/mm/ug_lexical_phrase_scorer2.h b/moses/TranslationModel/UG/mm/ug_lexical_phrase_scorer2.h index 558b5a7fa..b7e359223 100644 --- a/moses/TranslationModel/UG/mm/ug_lexical_phrase_scorer2.h +++ b/moses/TranslationModel/UG/mm/ug_lexical_phrase_scorer2.h @@ -27,7 +27,6 @@ namespace ugdiss typedef mm2dTable<id_type,id_type,uint32_t,uint32_t> table_t; table_t COOC; void open(string const& fname); - template<typename someint> void score(TKN const* snt1, size_t const s1, size_t const e1, @@ -104,7 +103,19 @@ namespace ugdiss if (COOC.m1(s) == 0 || COOC.m2(t) == 0) return 1.0; UTIL_THROW_IF2(alpha < 0,"At " << __FILE__ << ":" << __LINE__ << ": alpha parameter must be >= 0"); - return float(COOC[s][t]+alpha)/(COOC.m1(s)+alpha); + float ret = COOC[s][t]+alpha; + ret = (ret?ret:1.)/(COOC.m1(s)+alpha); + UTIL_THROW_IF2(ret <= 0 || ret > 1, "At " << __FILE__ << ":" << __LINE__ + << ": result not > 0 and <= 1. alpha = " << alpha << "; " + << COOC[s][t] << "/" << COOC.m1(s)); + +#if 0 + cerr << "[" << s << "," << t << "] " + << COOC.m1(s) << "/" + << COOC[s][t] << "/" + << COOC.m2(t) << endl; +#endif + return ret; } template<typename TKN> @@ -115,7 +126,11 @@ namespace ugdiss if (COOC.m1(s) == 0 || COOC.m2(t) == 0) return 1.0; UTIL_THROW_IF2(alpha < 0,"At " << __FILE__ << ":" << __LINE__ << ": alpha parameter must be >= 0"); - return float(COOC[s][t]+alpha)/(COOC.m2(t)+alpha); + float ret = float(COOC[s][t]+alpha); + ret = (ret?ret:1.)/(COOC.m2(t)+alpha); + UTIL_THROW_IF2(ret <= 0 || ret > 1, "At " << __FILE__ << ":" << __LINE__ + << ": result not > 0 and <= 1."); + return ret; } template<typename TKN> |