NonCompliantCpp (I think)

printit.cpp

#include <iostream>

template <typename Scalar>
void
print_bits(Scalar s)
{
	static_assert(sizeof(Scalar) == 4, "NO no no ");
	uint32_t* k = (uint32_t*)&s;

	for (size_t n = 0; n < 8 * sizeof(Scalar); ++n) {
		std::cerr << ((*k & (1 << n)) ? "1" : "0");
	}

	std::cerr << "\n";
}

int
main()
{
	do {
		int i;

		i = -1;
		print_bits(i);

		i = +1;
		print_bits(i);

		i = +0;
		print_bits(i);

		i = -0;
		print_bits(i);
	} while (0);

	std::cerr << "------------------------\n";

	do {
		float f;

		f = -1.0;
		print_bits(f);

		f = +1.0;
		print_bits(f);

		f = +0.0;
		print_bits(f);

		f = -0.0;
		print_bits(f);
	} while (0);
}