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/*
* Copyright (C) 2007 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 android.util;
import com.android.layoutlib.bridge.impl.DelegateManager;
import com.android.tools.layoutlib.annotations.LayoutlibDelegate;
/**
* Delegate implementing the native methods of android.util.FloatMath
*
* Through the layoutlib_create tool, the original native methods of FloatMath have been replaced
* by calls to methods of the same name in this delegate class.
*
* Because it's a stateless class to start with, there's no need to keep a {@link DelegateManager}
* around to map int to instance of the delegate.
*
*/
/*package*/ final class FloatMath_Delegate {
/** Prevents instantiation. */
private FloatMath_Delegate() {}
/**
* Returns the float conversion of the most positive (i.e. closest to
* positive infinity) integer value which is less than the argument.
*
* @param value to be converted
* @return the floor of value
*/
@LayoutlibDelegate
/*package*/ static float floor(float value) {
return (float)Math.floor(value);
}
/**
* Returns the float conversion of the most negative (i.e. closest to
* negative infinity) integer value which is greater than the argument.
*
* @param value to be converted
* @return the ceiling of value
*/
@LayoutlibDelegate
/*package*/ static float ceil(float value) {
return (float)Math.ceil(value);
}
/**
* Returns the closest float approximation of the sine of the argument.
*
* @param angle to compute the cosine of, in radians
* @return the sine of angle
*/
@LayoutlibDelegate
/*package*/ static float sin(float angle) {
return (float)Math.sin(angle);
}
/**
* Returns the closest float approximation of the cosine of the argument.
*
* @param angle to compute the cosine of, in radians
* @return the cosine of angle
*/
@LayoutlibDelegate
/*package*/ static float cos(float angle) {
return (float)Math.cos(angle);
}
/**
* Returns the closest float approximation of the square root of the
* argument.
*
* @param value to compute sqrt of
* @return the square root of value
*/
@LayoutlibDelegate
/*package*/ static float sqrt(float value) {
return (float)Math.sqrt(value);
}
}
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