Returns the smallest integer greater than or equal to the specified float. - Android java.lang

Android examples for java.lang:Math

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Description

Returns the smallest integer greater than or equal to the specified float.

Demo Code

/*******************************************************************************
 * Copyright 2011 See AUTHORS file./*w ww. ja va  2s.  c om*/
 *
 * 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.
 ******************************************************************************/
import java.util.Random;

public class Main{
    static private final int BIG_ENOUGH_INT = 16 * 1024;
    static private final double BIG_ENOUGH_CEIL = NumberUtils
            .longBitsToDouble(NumberUtils
                    .doubleToLongBits(BIG_ENOUGH_INT + 1) - 1);
    /**
     * Returns the smallest integer greater than or equal to the specified float. This method will only properly ceil floats from
     * -(2^14) to (Float.MAX_VALUE - 2^14).
     */
    static public int ceil(float x) {
        return (int) (x + BIG_ENOUGH_CEIL) - BIG_ENOUGH_INT;
    }
}

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