黄金分割点（java）

//寻找某两个数相除，其结果 离黄金分割点 0.618最近
//分母和分子不能同时为偶数
//分母和分子 取值范围在[1-20]
public class  GoldenSectionRatio
{
	public static void main(String[] args) 
	{
		double breakPoint = 0.618 ;
		int fenZhi = 1;
		int fenMu = 1;
		double value = 10;
		double miniDiff = 100;
		double diff = 0;
		for (int i =1;i<=20 ;i++ )
		{
			for (int j=1;j <=20 ;j++ )
			{
				if (i % 2 == 0&&j %2 ==0)
				{
					continue;
				}
				value = (double)i/j;
				diff = value - breakPoint;
				diff = diff > 0 ? diff : 0-diff;
				
			if (miniDiff > diff)
			{
				miniDiff = diff;
				fenZhi = i;
				fenMu = j;			
			}

			}
		}
		System.out.println("分子为"+fenZhi+"分母为"+fenMu+",值为"+fenZhi+"/"+fenMu+"="+((double)fenZhi/fenMu));
	}
}