Example #1
0
void length()
{
	using T = typename Vec::Scalar;
	U size = Vec::SIZE;
	Vec vec;
	T res = 0;

	for(U i = 0; i < size; i++)
	{
		T x = i * 666;

		vec[i] = x;
		res += x * x;
	}
	
	res = sqrt(res);
	ANKI_TEST_EXPECT_EQ(vec.getLength(), res);

	if(Vec::IS_INTEGER)
	{
		ANKI_TEST_EXPECT_EQ(vec.getNormalized(), vec / res);
	}
	else
	{
		auto a = vec / res;
		auto b = vec.getNormalized();
		for(U i = 0; i < size; i++)
		{
			ANKI_TEST_EXPECT_NEAR(a[i], b[i], 0.0001);
		}
	}
}
template<class Vec> void testNormalize()
{
	Vec vec;
	for (unsigned int i = 0; i < vec.getDimension(); i++)
		vec[i] = numbers[i];

// getNormalized
	auto temp = vec.getNormalized();
	ASSERT(dbgl::isSimilar(temp.getLength(), 1.0f));
// normalize
	vec.normalize();
	ASSERT(dbgl::isSimilar(vec.getLength(), 1.0f));
}
template<class Vec> void testLength()
{
	Vec vec;
	for (unsigned int i = 0; i < vec.getDimension(); i++)
		vec[i] = numbers[i];
// getSquaredLength()
	auto sqLen = 0.0;
	for (unsigned int i = 0; i < vec.getDimension(); i++)
		sqLen += vec[i] * vec[i];
	ASSERT(dbgl::isSimilar(vec.getSquaredLength(), (float )sqLen));
// getLength()
	ASSERT(dbgl::isSimilar(vec.getLength(), (float )std::sqrt(sqLen)));
}