Java Franction Convert fraction(StringBuilder buf, int scale, long ms)

Description

fraction

License

Apache License

Declaration

private static void fraction(StringBuilder buf, int scale, long ms) 

Method Source Code

//package com.java2s;
/*/*from   w  w w  .j  a v  a 2 s.  co  m*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you 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.
 */

public class Main {
    private static void fraction(StringBuilder buf, int scale, long ms) {
        if (scale > 0) {
            buf.append('.');
            long v1 = scale == 3 ? ms : scale == 2 ? ms / 10
                    : scale == 1 ? ms / 100 : 0;
            number(buf, (int) v1, scale);
        }
    }

    public static StringBuilder number(StringBuilder buf, int v, int n) {
        for (int k = digitCount(v); k < n; k++) {
            buf.append('0');
        }
        return buf.append(v);
    }

    public static int digitCount(int v) {
        for (int n = 1;; n++) {
            v /= 10;
            if (v == 0) {
                return n;
            }
        }
    }
}

Related

1. fractionAlongRay(double px, double py, double qx, double qy, double rx, double ry)
2. fractionalPart(float fnum)
3. fractionalTime(int hour, int minute, int second)
4. fractionDigits(double number)