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

0 vote225 views1 answer
3 conditions for a while loop c++
C++
10 votes219 views1 answer
How to append one vector to another c++
C++
2 votes243 views1 answer
2-Dimensional array in c++
C++
21 votes241 views6 answers
Random in c++
C++
0 vote234 views1 answer
Get value of enum cpp
C++
3 votes223 views2 answers
Print type c++
C++
0 vote220 views2 answers
Stack data structure c++
C++
0 vote307 views1 answer
Time_t c++ stack overflow
C++
2 votes242 views2 answers
Strlen in c++
C++
0 vote249 views1 answer
Opencv rgb to gray c++
C++