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/*
* Copyright (C) 2016 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.
*/
package com.android.dialer.common;
/** Utility class for common math operations */
public class MathUtil {
/**
* Interpolates between two integer values based on percentage.
*
* @param begin Begin value
* @param end End value
* @param percent Percentage value, between 0 and 1
* @return Interpolated result
*/
public static int lerp(int begin, int end, float percent) {
return (int) (begin * (1 - percent) + end * percent);
}
/**
* Interpolates between two float values based on percentage.
*
* @param begin Begin value
* @param end End value
* @param percent Percentage value, between 0 and 1
* @return Interpolated result
*/
public static float lerp(float begin, float end, float percent) {
return begin * (1 - percent) + end * percent;
}
/**
* Clamps a value between two bounds inclusively.
*
* @param value Value to be clamped
* @param min Lower bound
* @param max Upper bound
* @return Clamped value
*/
public static float clamp(float value, float min, float max) {
return Math.max(min, Math.min(value, max));
}
}
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