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long pi in c++ Code Example
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: www.quantstart.com
long pi in c++ 
typedef long double ld;
const ld pi = 3.1415926535897932384626433832795;



Cpp

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Category:
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Sub Category:
 Code Example
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