Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {

    public static double byteToDouble(byte[] b) {
        if (b.length != 8) {
            return -1;
        }
        long l;
        l = b[0];
        l &= 0xff;
        l |= ((long) b[1] << 8);
        l &= 0xffff;
        l |= ((long) b[2] << 16);
        l &= 0xffffff;
        l |= ((long) b[3] << 24);
        l &= 0xffffffffl;
        l |= ((long) b[4] << 32);
        l &= 0xffffffffffl;

        l |= ((long) b[5] << 40);
        l &= 0xffffffffffffl;
        l |= ((long) b[6] << 48);
        l &= 0xffffffffffffffl;

        l |= ((long) b[7] << 56);

        return Double.longBitsToDouble(l);
    }
}