BiglmFasterDecoder::Token Class Reference

Collaboration diagram for BiglmFasterDecoder::Token:

Public Member Functions
	Token (const Arc &arc, Weight &ac_weight, Token *prev)
	Token (const Arc &arc, Token *prev)
bool	operator< (const Token &other)
	~Token ()

Static Public Member Functions
static void	TokenDelete (Token *tok)

Public Attributes
Arc	arc_
Token *	prev_
int32	ref_count_
Weight	weight_

Detailed Description

Definition at line 195 of file biglm-faster-decoder.h.

Constructor & Destructor Documentation

Token() [1/2]

Token ( const Arc &  arc, Weight &  ac_weight, Token *  prev  )

inline

Definition at line 204 of file biglm-faster-decoder.h.

References BiglmFasterDecoder::Token::ref_count_, fst::Times(), and BiglmFasterDecoder::Token::weight_.

                                                                :
        arc_(arc), prev_(prev), ref_count_(1) {
      if (prev) {
        prev->ref_count_++;
        weight_ = Times(Times(prev->weight_, arc.weight), ac_weight);
      } else {
        weight_ = Times(arc.weight, ac_weight);
      }
    }

Token() [2/2]

Token ( const Arc &  arc, Token *  prev  )

inline

Definition at line 213 of file biglm-faster-decoder.h.

References BiglmFasterDecoder::Token::ref_count_, fst::Times(), and BiglmFasterDecoder::Token::weight_.

                                             :
        arc_(arc), prev_(prev), ref_count_(1) {
      if (prev) {
        prev->ref_count_++;
        weight_ = Times(prev->weight_, arc.weight);
      } else {
        weight_ = arc.weight;
      }
    }

~Token()

~Token ( )

inline

Definition at line 227 of file biglm-faster-decoder.h.

References KALDI_ASSERT.

                    {
      KALDI_ASSERT(ref_count_ == 1);
      if (prev_ != NULL) TokenDelete(prev_);
    }

Member Function Documentation

operator<()

bool operator< ( const Token &  other )

inline

Definition at line 222 of file biglm-faster-decoder.h.

References BiglmFasterDecoder::Token::weight_.

                                                {
      return weight_.Value() > other.weight_.Value();
      // This makes sense for log + tropical semiring.
    }

TokenDelete()

static void TokenDelete ( Token *  tok )

inlinestatic

Definition at line 231 of file biglm-faster-decoder.h.

References BiglmFasterDecoder::Token::ref_count_.

                                               {
      if (tok->ref_count_ == 1) { 
        delete tok;
      } else {
        tok->ref_count_--;
      }
    }

Member Data Documentation

arc_

Arc arc_

Definition at line 197 of file biglm-faster-decoder.h.

Referenced by BiglmFasterDecoder::ProcessEmitting().

prev_

Token* prev_

Definition at line 201 of file biglm-faster-decoder.h.

Referenced by BiglmFasterDecoder::GetBestPath().

ref_count_

int32 ref_count_

Definition at line 202 of file biglm-faster-decoder.h.

Referenced by BiglmFasterDecoder::Token::Token(), and BiglmFasterDecoder::Token::TokenDelete().

weight_

Weight weight_

Definition at line 203 of file biglm-faster-decoder.h.

Referenced by BiglmFasterDecoder::Token::operator<(), BiglmFasterDecoder::ProcessEmitting(), BiglmFasterDecoder::ProcessNonemitting(), and BiglmFasterDecoder::Token::Token().

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The documentation for this class was generated from the following file:

• decoder/biglm-faster-decoder.h