Long pi in c++

Pi in c++

#define _USE_MATH_DEFINES // must include this!
 
#include <cmath>
#include <iostream>
 
int main() { 
  // M_PI = 3.14159265358979323846;
  std::cout << M_PI << " " << M_E << " " << M_SQRT2 << endl;
  return 0;
}

Source: quantstart.com

Long pi in c++

typedef long double ld;
const ld pi = 3.1415926535897932384626433832795;

Similar codes

19 votes278 views6 answers
Initialize 2D vector
C++
84 votes430 views4 answers
Php string
C++
0 vote232 views1 answer
C++ starting syntaz
C++
0 vote271 views1 answer
Constructor syntax in c++
C++
66 votes351 views8 answers
Dogecoin price
C++
0 vote269 views1 answer
Zsh: segmentation fault ./provided_files.exe erosion X \.
C++
1 vote298 views1 answer
Cout char32_t c++
C++
0 vote291 views1 answer
Post order from preorder and inorder calculator
C++
0 vote268 views1 answer
Why return 0 in int main
C++
72 votes318 views4 answers
C++ vector pop first element
C++