cxxomfort-examples/examples/midpoint.cpp

//#define CXXOMFORT_NOTICES 2
#include <cxxomfort/base.hpp>
#include <cxxomfort/numeric.hpp>
#include <cxxomfort/cstdint.hpp>
#include <limits>
#include <string>
#include <iostream>
#include <cassert>

void on_pointers (int i, int j) {
	using namespace std;
	char const* text = "0123456789";
	char const* p = text + i;
	char const* q = text + j;
	char const* r = midpoint(p,q);
	cout << "std::midpoint('" << *p << "', '" << *q << "'): '"
			  << *r << "'\n";
};
 
 
int main() {
	using namespace std;
    uint32_t a = numeric_limits<uint32_t>::max();
    uint32_t b = numeric_limits<uint32_t>::max() - 2;
    
    cout<< "a: " << a << '\n'
		<< "b: " << b << '\n'
		<< "Incorrect (overflow and wrapping): " << (a + b) / 2 << '\n'
		<< "Correct: " << midpoint(a, b) << "\n\n";
 
 
    on_pointers(2, 4);
    on_pointers(2, 5);
    on_pointers(5, 2);
    on_pointers(2, 6);
}