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/*
* Copyright (C) 2013, 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/header/header_policy.h"
namespace latinime {
const char *const HeaderPolicy::MULTIPLE_WORDS_DEMOTION_RATE_KEY =
"MULTIPLE_WORDS_DEMOTION_RATE";
const float HeaderPolicy::DEFAULT_MULTI_WORD_COST_MULTIPLIER = 1.0f;
const float HeaderPolicy::MULTI_WORD_COST_MULTIPLIER_SCALE = 100.0f;
float HeaderPolicy::readMultiWordCostMultiplier() const {
const int headerValue = HeaderReadingUtils::readHeaderValueInt(
mDictBuf, MULTIPLE_WORDS_DEMOTION_RATE_KEY);
if (headerValue == S_INT_MIN) {
// not found
return DEFAULT_MULTI_WORD_COST_MULTIPLIER;
}
if (headerValue <= 0) {
return static_cast<float>(MAX_VALUE_FOR_WEIGHTING);
}
return MULTI_WORD_COST_MULTIPLIER_SCALE / static_cast<float>(headerValue);
}
} // namespace latinime
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