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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. struct taylor_result {
  5.         int iterations;
  6.         double value;
  7.         double accu;
  8.         taylor_result() : iterations(0),value(0),accu(1) {}
  9. };
  10.  
  11. taylor_result taylor(double x,double eps = 1e-8,taylor_result res = taylor_result()){
  12.     while(res.accu > eps){
  13.          res.value += res.accu;
  14.          res.iterations++;
  15.          res.accu *= (x / (res.iterations));
  16.     }
  17.     return res;
  18. }
  19.  
  20. int main(){
  21.     double x = 3.0;
  22.     taylor_result res = taylor(3.0,0.1);
  23.     std::cout << res.value << "\n";
  24.     res = taylor(3.0,0.01,res);
  25.     std::cout << res.value << "\n";
  26.     res = taylor(3.0,0.001,res);
  27.     std::cout << res.value << "\n";
  28.  
  29.     std::cout << exp(3.0) << "\n";
  30. }
Success #stdin #stdout 0s 16064KB
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Standard input is empty
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20.0092
20.0797
20.0852
20.0855
https://ideone.com/OGERIM
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
secret

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