c++转换rawBitsToDouble

#include <iostream>
#include "stdio.h"

using namespace std;
#include <errno.h>
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <stdint.h>
//4622443992037269176
static inline uint64_t doubleToRawBits(double x) {
    uint64_t bits;
    memcpy(&bits, &x, sizeof bits);
    return bits;
}

static inline uint64_t rawBitsToDouble(uint64_t x) {
    double doubleData;
    memcpy(&doubleData, &x , sizeof x);
    return doubleData;
}
int main(void)
{

    uint64_t data = doubleToRawBits(11.11);
    double dData = rawBitsToDouble(data);
}