40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
/*
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* Copyright (C) 2013, The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "suggest/policyimpl/dictionary/header/header_policy.h"
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namespace latinime {
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const char *const HeaderPolicy::MULTIPLE_WORDS_DEMOTION_RATE_KEY =
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"MULTIPLE_WORDS_DEMOTION_RATE";
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const float HeaderPolicy::DEFAULT_MULTI_WORD_COST_MULTIPLIER = 1.0f;
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const float HeaderPolicy::MULTI_WORD_COST_MULTIPLIER_SCALE = 100.0f;
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float HeaderPolicy::readMultiWordCostMultiplier() const {
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const int headerValue = HeaderReadingUtils::readHeaderValueInt(
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mDictBuf, MULTIPLE_WORDS_DEMOTION_RATE_KEY);
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if (headerValue == S_INT_MIN) {
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// not found
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return DEFAULT_MULTI_WORD_COST_MULTIPLIER;
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}
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if (headerValue <= 0) {
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return static_cast<float>(MAX_VALUE_FOR_WEIGHTING);
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}
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return MULTI_WORD_COST_MULTIPLIER_SCALE / static_cast<float>(headerValue);
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}
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} // namespace latinime
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