package com.archive.common.utils ; import java.math.BigDecimal; import java.math.RoundingMode; public class Arith { private static final int DEF_DIV_SCALE = 10; public static double add(double v1, double v2) { BigDecimal b1 = new BigDecimal(Double.toString(v1)); BigDecimal b2 = new BigDecimal(Double.toString(v2)); return b1.add(b2).doubleValue(); } public static double sub(double v1, double v2) { BigDecimal b1 = new BigDecimal(Double.toString(v1)); BigDecimal b2 = new BigDecimal(Double.toString(v2)); return b1.subtract(b2).doubleValue(); } public static double mul(double v1, double v2) { BigDecimal b1 = new BigDecimal(Double.toString(v1)); BigDecimal b2 = new BigDecimal(Double.toString(v2)); return b1.multiply(b2).doubleValue(); } public static double div(double v1, double v2) { return div(v1, v2, 10); } public static double div(double v1, double v2, int scale) { if (scale < 0) { throw new IllegalArgumentException("The scale must be a positive integer or zero"); } BigDecimal b1 = new BigDecimal(Double.toString(v1)); BigDecimal b2 = new BigDecimal(Double.toString(v2)); if (b1.compareTo(BigDecimal.ZERO) == 0) { return BigDecimal.ZERO.doubleValue(); } return b1.divide(b2, scale, RoundingMode.HALF_UP).doubleValue(); } public static double round(double v, int scale) { if (scale < 0) { throw new IllegalArgumentException("The scale must be a positive integer or zero"); } BigDecimal b = new BigDecimal(Double.toString(v)); BigDecimal one = new BigDecimal("1"); return b.divide(one, scale, RoundingMode.HALF_UP).doubleValue(); } } /* Location: C:\Users\Administrator\Desktop\extracted.zip!\extracted\BOOT-INF\classes\com\archive\commo\\utils\Arith.class * Java compiler version: 8 (52.0) * JD-Core Version: 1.1.3 */