Initial CLD2 source upload.
git-svn-id: https://cld2.googlecode.com/svn/trunk@3 b252ecd4-b096-bf77-eb8e-91563289f87e
This commit is contained in:
71
internal/cldutil_offline.h
Normal file
71
internal/cldutil_offline.h
Normal file
@@ -0,0 +1,71 @@
|
||||
// Copyright 2013 Google Inc. All Rights Reserved.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
//
|
||||
// Author: dsites@google.com (Dick Sites)
|
||||
//
|
||||
// Just the stuff shared between offline table builder and online detector
|
||||
//
|
||||
|
||||
#ifndef I18N_ENCODINGS_CLD2_INTERNAL_NEW_CLDUTIL_OFFLINE_H__
|
||||
#define I18N_ENCODINGS_CLD2_INTERNAL_NEW_CLDUTIL_OFFLINE_H__
|
||||
|
||||
#include "cldutil_shared.h"
|
||||
#include "integral_types.h"
|
||||
#include "lang_script.h"
|
||||
|
||||
namespace CLD2 {
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
// Offline: used by mapreduce or table construction
|
||||
//------------------------------------------------------------------------------
|
||||
|
||||
// Find top two langs and scores for one word; underpins delta tables
|
||||
void DoWordScore(const char* isrc, int srclen, ULScript ulscript,
|
||||
const CLD2TableSummary* wrt_unigram_obj,
|
||||
const CLD2TableSummary* wrt_quadgram_obj,
|
||||
Language* lang1, int* score1,
|
||||
Language* lang2, int* score2);
|
||||
|
||||
// For constructing tables
|
||||
// Given a vector of 3 probabilities 1..12, find subscript of best table match.
|
||||
// Minimizes RMS error
|
||||
// Brute-force version
|
||||
uint8 FindBestProb3Match(const uint8* prob3);
|
||||
|
||||
// Not sure who calls this...
|
||||
// Return the probability for given language, or 0
|
||||
int GetProb(Language lang, uint32 probs);
|
||||
|
||||
|
||||
// Converts a unigram prob/lang byte into an approximate prob/lang triple
|
||||
// Just keeps the largest value.
|
||||
// ONLY used in mapreduce, doing refinement of language boundaries.
|
||||
uint32 ApproxProb3(int propval);
|
||||
|
||||
|
||||
// Take three packed languages and three probabilities 1..12 and put into uint32
|
||||
// For offline construction of tables
|
||||
uint32 ProbPackV2(uint8* plang3, uint8* prob3);
|
||||
|
||||
// Take uint32 and unpack into three packed languages and three probabilities
|
||||
// For runtime use of tables
|
||||
void ProbUnpackV2(uint32 prob, uint8* plang3, uint8* prob3);
|
||||
|
||||
} // End namespace CLD2
|
||||
|
||||
#endif // I18N_ENCODINGS_CLD2_INTERNAL_NEW_CLDUTIL_OFFLINE_H__
|
||||
|
||||
|
||||
|
Reference in New Issue
Block a user