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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <cmath>
  4.  
  5. int main()
  6. { 
  7. 	using namespace std;
  8.  
  9. 	double start=-2, end=0, step=0.2;
  10. 	size_t n=size_t((end-start)/step)+1;
  11.  
  12. 	cout << fixed << setprecision(3);
  13.  
  14. 	for (size_t i=0; i != n; ++i) {
  15. 	  double x = start+i*step;
  16. 	  double y = atan(sqrt(x*x+1));
  17. 	  cout << "x = " << x << "\ty = " << y << endl;
  18. 	}
  19. }
Success #stdin #stdout 0s 3140KB
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stdin
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Standard input is empty
stdout
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x = -2.000	y = 1.150
x = -1.800	y = 1.119
x = -1.600	y = 1.083
x = -1.400	y = 1.044
x = -1.200	y = 1.001
x = -1.000	y = 0.955
x = -0.800	y = 0.908
x = -0.600	y = 0.862
x = -0.400	y = 0.822
x = -0.200	y = 0.795
x = 0.000	y = 0.785
https://ideone.com/2j6ebk
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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