gistfile1.cpp

int test_higher()
{
	static const struct {
		int src;
		int mul;
		int higher;
	} expected[] = {
		{ -5, 4, -4 },
		{ -4, 4, -4 },
		{ -3, 4, -4 },
		{ -2, 4, -4 },
		{ -1, 4, -4 },
		{  0, 4,  0 },
		{  4, 4,  4 },
		{  5, 4,  8 },
		{  6, 4,  8 },
		{  7, 4,  8 },
		{  8, 4,  8 },
		{  8, 4, 12 }
	};
	int Error(0);

	int const top = sizeof expected / sizeof *expected;
	for (int n = 0; n < top; ++n) {
		int const src = expected[n].src;
		int const mul = expected[n].mul;
		int const higher = expected[n].higher;

		int const got = glm::higherMultiple(src, mul);
		if (got != higher) {
			Error += 1;
		}
	};

	return Error;
}