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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.
*/
#ifndef LE_FX_ENGINE_DSP_CORE_BASIC_INL_H_
#define LE_FX_ENGINE_DSP_CORE_BASIC_INL_H_
#include <math.h>
namespace le_fx {
namespace sigmod {
template <typename T>
int SearchIndex(const T x_data[],
T x,
int start_index,
int end_index) {
int start = start_index;
int end = end_index;
while (end > start + 1) {
int i = (end + start) / 2;
if (x_data[i] > x) {
end = i;
} else {
start = i;
}
}
return start;
}
} // namespace sigmod
} // namespace le_fx
#endif // LE_FX_ENGINE_DSP_CORE_BASIC_INL_H_
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