LatinIME/native/jni/src/suggest/policyimpl/dictionary/structure/v4/content/dynamic_language_model_prob...

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1.4 KiB
C++

/*
* Copyright (C) 2014, The Android Open Source Project
*
* 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.
*/
#include "suggest/policyimpl/dictionary/structure/v4/content/dynamic_language_model_probability_utils.h"
namespace latinime {
// Used to provide stable probabilities even if the user's input count is small.
const int DynamicLanguageModelProbabilityUtils::ASSUMED_MIN_COUNTS[] = {8192, 2, 2};
// Encoded backoff weights.
// Note that we give positive value for trigrams that means the weight is more than 1.
// TODO: Apply backoff for main dictionaries and quit giving a positive backoff weight.
const int DynamicLanguageModelProbabilityUtils::ENCODED_BACKOFF_WEIGHTS[] = {-32, 0, 8};
// This value is used to remove too old entries from the dictionary.
const int DynamicLanguageModelProbabilityUtils::DURATION_TO_DISCARD_ENTRY_IN_SECONDS =
300 * 24 * 60 * 60; // 300 days
} // namespace latinime