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 vote243 views1 answer
Appending string in c++
C++
5 votes276 views2 answers
Return multiple values c++
C++
19 votes219 views5 answers
C++ how to generate a random number in a range
C++
0 vote242 views1 answer
Sinh nhi phan c++
C++
-2 votes260 views1 answer
Sum array c++
C++
26 votes235 views10 answers
Snake
C++
11 votes243 views3 answers
Count occurrences of character in string c++
C++
0 vote239 views1 answer
GlUniform bool
C++
0 vote261 views1 answer
How to convert n space separated integers in c++
C++
-3 votes223 views1 answer
Cpp code for array sorting
C++