C++: Trouver la valeur absolue d’un nombre à l’aide d’une fonction générique

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#include 
using namespace std;

template  T val_absolue(T val)
{
  return val < 0 ? -val : val;
}

int main()
{
  cout << val_absolue(15) << endl; 

  cout << val_absolue(-15.0) << endl;

  cout << val_absolue(-10.0F) << endl;

  return 0;
}

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