Install GMP library under Linux and configure VScode development environment

1. Install and configure C++ development environment

Need to install g++, gcc, make and other development environments. There are many tutorials on the Internet, so I won’t repeat them

2. Go to libgmp official website to download the latest gmp package, for example, I downloaded gmp-6.1.2

Unzip

3. Install gmp

Remember to switch administrators! !

$cd gmp-6.1.2
$./configure --enable-cxx
$make
$make check
$sudo make install

4. Configure vscode

Although it is installed, you need to make small changes to the compiled commands if you want to use it in vscode!

Modify it task.jsonand add it in the parameter position -lgmp.

{
    
    
    "tasks": [
        {
    
    
            "type": "shell",
            "label": "C/C++: g++ build active file",
            "command": "/usr/bin/g++",
            "args": [
                "-g",
                "${file}",
                "-o",
                "${fileDirname}/${fileBasenameNoExtension}",
                "-lgmp"		// 添加此处
            ],
            "options": {
    
    
                "cwd": "${workspaceFolder}"
            },
            "problemMatcher": [
                "$gcc"
            ],
            "group": {
    
    
                "kind": "build",
                "isDefault": true
            }
        }
    ],
    "version": "2.0.0"
}

Then you can write a code and try it~

#include <gmp.h>
#include <iostream>
#include <stdio.h>
using namespace std;
int main()
{
    
    
        mpz_t a,b,c;
        mpz_init(a);
        mpz_init(b);
        mpz_init(c);
        gmp_scanf("%Zd%Zd",a,b);
        mpz_add(c,a,b);
        gmp_printf("c= %Zd\n",c);
        return 0;
}