#include <iostream>
#include <climits>
using namespace std;
 
bool isInteger1(float f)
{
	return f == (long)f;
}
 
bool isInteger2(float f)
{
	return f <= LONG_MIN || f >= LONG_MAX || f == (long)f;
}
 
bool isInteger3(float f)
{
	return f >= LONG_MIN && f <= LONG_MAX && f == (long)f;
}
 
void check(float f)
{
	cout << f << ": " << std::boolalpha << isInteger1(f) << ", "
	                                    << isInteger2(f) << ", "
	                                    << isInteger3(f) << "\n";
}
 
int main() {
    check(0.0f);
    check(42.0f);
    check(-1.2e20f);
    check(-2147483647.0f); // LONG_MIN
    check(-2147483648.0f); // LONG_MIN - 1
    check(-2147483649.0f); // LONG_MIN - 2
    check(2147483647.0f);  // LONG_MAX
    check(2147483648.0f);  // LONG_MAX + 1
    check(2147483647.1f);  // LONG_MAX + 0.1
	return 0;
}

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