标准C语言其实自带高精度运算

wayne

谁有兴趣 提取出 更高辨识度的 版本来

dianyancao

2^1022

我用如下代码在VS中输出 (long double不够存放2^1022)
44942328371557898000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000

1. #include <stdio.h>
   
2. #include <math.h>
   
3. 
   
4. using namespace std;
   
5. 
   
6. int main()
   
7. {
   
8.         printf("%.0f\n",pow((long double)2.0,1022));
   
9.         return 0;
   
10. }

复制代码

fsleo

1. #include <stdio.h>
   
2. #include <math.h>
   
3. 
   
4. int main()
   
5. {
   
6.     printf("%.0f\n", pow(2, 1022));
   
7.     return 0;
   
8. }

复制代码

1. gcc pow.c -o pow && ./pow
   
2. 44942328371557897693232629769725618340449424473557664318357520289433168951375240783177119330601884005280028469967848339414697442203604155623211857659868531094441973356216371319075554900311523529863270738021251442209537670585615720368478277635206809290837627671146574559986811484619929076208839082406056034304

复制代码

liyqa

腻害呀，学习了