da-archive/src/main/java/com/archive/common/utils/Arith.java

 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
 */