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  1. #include <iostream>
  2. #include <iomanip>
  3.  
  4. void f(double m, double x, double b)
  5. {
  6. 	double r = m * x + b;
  7. 	std::cout << "m = " << m << '\n';
  8. 	std::cout << "x = " << x << '\n';
  9. 	std::cout << "b = " << b << '\n';
  10. 	std::cout << "r = " << r << '\n' << '\n';
  11. }
  12.  
  13. int main()
  14. {
  15.     std::cout << std::scientific;
  16. 	f(0.5, -2.0000000000000062, 1);
  17. 	std::cout << std::setprecision(53);
  18. 	f(0.5, -2.0000000000000062, 1);
  19. }
Success #stdin #stdout 0s 3460KB
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stdin
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Standard input is empty
stdout
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m = 5.000000e-01
x = -2.000000e+00
b = 1.000000e+00
r = -3.108624e-15

m = 5.00000000000000000000000000000000000000000000000000000e-01
x = -2.00000000000000621724893790087662637233734130859375000e+00
b = 1.00000000000000000000000000000000000000000000000000000e+00
r = -3.10862446895043831318616867065429687500000000000000000e-15
https://ideone.com/rugtNM
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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