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#include "cpp_function_lib.h"
double add_one(double a, int b)
{
return a + (double) b + 1.0;
}
double add_two(double a, int b)
{
return a + (double) b + 2.0;
}
AddAnotherFunctor::AddAnotherFunctor(double to_add)
: to_add(to_add)
{
}
double AddAnotherFunctor::operator()(double a, int b) const
{
return a + (double) b + this->to_add;
};
FunctionKeeper::FunctionKeeper(std::function<double(double, int)> user_function)
: my_function(user_function)
{
}
FunctionKeeper::~FunctionKeeper()
{
}
void FunctionKeeper::set_function(std::function<double(double, int)> user_function)
{
this->my_function = user_function;
}
std::function<double(double, int)> FunctionKeeper::get_function() const
{
return this->my_function;
}
double FunctionKeeper::call_function(double a, int b) const
{
if (!this->my_function) {
throw std::runtime_error("Trying to call undefined function!");
}
return this->my_function(a, b);
};
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