TidToTstateMapper Class Reference

Collaboration diagram for TidToTstateMapper:

Public Types
typedef int32	Result

Public Member Functions
	TidToTstateMapper (const TransitionModel &trans_model, const std::vector< int32 > &disambig_syms, bool check_no_self_loops)
int32	operator() (int32 label) const

Private Attributes
const TransitionModel &	trans_model_
const std::vector< int32 > &	disambig_syms_
bool	check_no_self_loops_

Detailed Description

Definition at line 425 of file hmm-utils.cc.

Member Typedef Documentation

Result

typedef int32 Result

Definition at line 446 of file hmm-utils.cc.

Constructor & Destructor Documentation

TidToTstateMapper()

TidToTstateMapper ( const TransitionModel &  trans_model, const std::vector< int32 > &  disambig_syms, bool  check_no_self_loops  )

inline

Definition at line 440 of file hmm-utils.cc.

                                             :
      trans_model_(trans_model),
      disambig_syms_(disambig_syms),
      check_no_self_loops_(check_no_self_loops) { }

Member Function Documentation

operator()()

int32 operator() ( int32  label ) const

inline

Definition at line 447 of file hmm-utils.cc.

References KALDI_ASSERT, KALDI_ERR, and fst::kNontermBigNumber.

                                       {
    if (label == static_cast<int32>(fst::kNoLabel)) return -1;  // -1 -> -1
    else if (label >= 1 && label <= trans_model_.NumTransitionIds()) {
      if (check_no_self_loops_ && trans_model_.IsSelfLoop(label))
        KALDI_ERR << "AddSelfLoops: graph already has self-loops.";
      return trans_model_.TransitionIdToTransitionState(label);
    } else {  // 0 or (presumably) disambiguation symbol.  Map to zero
      int32 big_number = fst::kNontermBigNumber;  // 1000000
      if (label != 0 && label < big_number)
        KALDI_ASSERT(std::binary_search(disambig_syms_.begin(),
                                        disambig_syms_.end(),
                                        label));  // or invalid label
      return 0;
    }
  }

Member Data Documentation

check_no_self_loops_

bool check_no_self_loops_

private

Definition at line 466 of file hmm-utils.cc.

disambig_syms_

const std::vector<int32>& disambig_syms_

private

Definition at line 465 of file hmm-utils.cc.

trans_model_

const TransitionModel& trans_model_

private

Definition at line 464 of file hmm-utils.cc.

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

• hmm/hmm-utils.cc