Java Double Number Round round(double d)

Description

round

License

Apache License

Declaration

public static int round(double d) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2014 Logan Gorence <loganjohngorence@gmail.com>
 *
 * 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./*from w ww  .  j  a  va 2  s.c o  m*/
 ******************************************************************************/

public class Main {
    public static int round(double d) {
        return floor(d + 0.5d);
    }

    public static int round(float f) {
        return floor(f + 0.5f);
    }

    public static int floor(float f) {
        int i = (int) f;
        return f >= (float) i ? i : i - 1;
    }

    public static int floor(double d) {
        int i = (int) d;
        return d >= (double) i ? i : i - 1;
    }
}

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