Function test_vector4

src/core/unit_tests.cpp:460–539

}

static void test_vector4()
{
	{
		const Vector4 a = { 1.2f,  4.2f, -2.3f, 5.5f };
		const Vector4 b = { 2.7f, -1.9f, -4.1f, 1.0f };
		const Vector4 c = a - b;
		ENSURE(fequal(c.x, -1.5f, 0.0001f));
		ENSURE(fequal(c.y,  6.1f, 0.0001f));
		ENSURE(fequal(c.z,  1.8f, 0.0001f));
		ENSURE(fequal(c.w,  4.5f, 0.0001f));
	}
	{
		const Vector4 a = { 1.2f,  4.2f, -2.3f, 5.5f };
		const Vector4 b = { 2.7f, -1.9f, -4.1f, 1.0f };
		const Vector4 c = a + b;
		ENSURE(fequal(c.x,  3.9f, 0.0001f));
		ENSURE(fequal(c.y,  2.3f, 0.0001f));
		ENSURE(fequal(c.z, -6.4f, 0.0001f));
		ENSURE(fequal(c.w,  6.5f, 0.0001f));
	}
	{
		const Vector4 a = { 1.2f,  4.2f, -2.3f, 1.5f };
		const Vector4 b = a * 2.0f;
		ENSURE(fequal(b.x,  2.4f, 0.0001f));
		ENSURE(fequal(b.y,  8.4f, 0.0001f));
		ENSURE(fequal(b.z, -4.6f, 0.0001f));
		ENSURE(fequal(b.w,  3.0f, 0.0001f));
	}
	{
		const Vector4 a = { 1.2f,  4.2f, -2.3f, 5.5f };
		const Vector4 b = { 2.7f, -1.9f, -4.1f, 1.0f };
		const f32 c = dot(a, b);
		ENSURE(fequal(c,  10.19f, 0.0001f));
	}
	{
		const Vector4 a = { 1.2f,  4.2f, -2.3f, 5.5f };
		const f32 c = length_squared(a);
		ENSURE(fequal(c, 54.62f, 0.0001f));
	}
	{
		const Vector4 a = { 1.2f,  4.2f, -2.3f, 5.5f };
		const f32 c = length(a);
		ENSURE(fequal(c,  7.39053f, 0.0001f));
	}
	{
		Vector4 a = { 1.2f,  4.2f, -2.3f, 5.5f };
		normalize(a);
		ENSURE(fequal(length(a), 1.0f, 0.00001f));
	}
	{
		const Vector4 a = { 1.2f,  4.2f, -2.3f, 5.5f };
		const Vector4 b = { 2.7f, -1.9f, -4.1f, 1.0f };
		const float c = distance_squared(a, b);
		ENSURE(fequal(c, 62.95f, 0.00001f));
	}
	{
		const Vector4 a = { 1.2f,  4.2f, -2.3f, 5.5f };
		const Vector4 b = { 2.7f, -1.9f, -4.1f, 1.0f };