template<class Vec> void testOperatorMultiply()
{
Vec vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
vec[i] = numbers[i];
Vec vec2;
for (unsigned int i = vec.getDimension(); i < vec2.getDimension(); i++)
vec2[i] = numbers[i];
// *
auto vec3 = vec2 * 2;
for (unsigned int i = 0; i < vec3.getDimension(); i++)
ASSERT(vec3[i] == vec2[i] * 2);
float dotProd = 0;
for (unsigned int i = 0; i < vec3.getDimension(); i++)
dotProd += vec2[i] * vec[i];
ASSERT(vec2 * vec == dotProd);
// *=
Vec copy { vec2 };
vec2 *= 0.5;
for (unsigned int i = 0; i < vec2.getDimension(); i++)
ASSERT(vec2[i] == copy[i] * 0.5);
copy = vec;
vec *= vec2;
for (unsigned int i = 0; i < vec.getDimension(); i++)
ASSERT(vec[i] == copy[i] * vec2[i]);
}
template<class Vec> void testCoordinates()
{
Vec vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
vec[i] = numbers[i];
for (unsigned int i = 0; i < vec.getDimension(); i++)
ASSERT_EQ(vec[i], numbers[i]);
}
template<class Vec> void testGetDataPointer()
{
Vec vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
vec[i] = numbers[i];
for (unsigned int i = 0; i < vec.getDimension(); i++)
ASSERT(vec.getDataPointer()[i] == vec[i]);
}
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)));
}
template<class Vec> void testOperatorComparison()
{
Vec vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
vec[i] = numbers[i];
Vec vec2;
for (unsigned int i = vec.getDimension(); i < vec2.getDimension(); i++)
vec2[i] = numbers[i];
// ==
auto vec3 = vec2;
ASSERT(vec2 == vec3);
// !=
ASSERT(vec != vec2);
}
template<class Vec> void testConstructor()
{
Vec vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
ASSERT_EQ(vec[i], 0);
Vec2f vec2 { 42, 23 };
Vec vecFromSmaller { vec2 };
ASSERT_EQ(vecFromSmaller[0], 42);
ASSERT_EQ(vecFromSmaller[1], 23);
Vec copy { vec };
ASSERT_EQ(copy, vec);
Vec init { 1, -3.7f };
ASSERT_EQ(init[0], 1);
ASSERT_EQ(init[1], -3.7f);
for (unsigned int i = 2; i < Vec::getDimension(); i++)
ASSERT_EQ(init[i], 0);
bool tooManyArguments = true;
try
{
Vec error { -1.5f, 1.0f, 0.256f, 25.0f, -100.38585f, 0.00001f, 42.1337f, 571, 43.495f };
}
catch (...)
{
tooManyArguments = false;
}
ASSERT_EQ(tooManyArguments, false);
}
template<class Vec> void testOperatorAdd()
{
Vec vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
vec[i] = numbers[i];
Vec vec2;
for (unsigned int i = vec.getDimension(); i < vec2.getDimension(); i++)
vec2[i] = numbers[i];
// +
auto vec3 = vec + vec2;
for (unsigned int i = 0; i < vec3.getDimension(); i++)
ASSERT(vec3[i] == vec[i] + vec2[i]);
// +=
Vec copy { vec };
vec += vec3;
for (unsigned int i = 0; i < vec.getDimension(); i++)
ASSERT(vec[i] == copy[i] + vec3[i]);
}
template<class Vec> void testOperatorDivide()
{
Vec vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
vec[i] = numbers[i];
Vec vec2;
for (unsigned int i = vec.getDimension(); i < vec2.getDimension(); i++)
vec2[i] = numbers[i];
// /
auto vec3 = vec2 / 2;
for (unsigned int i = 0; i < vec3.getDimension(); i++)
ASSERT(vec3[i] == vec2[i] / 2);
// /=
Vec copy { vec2 };
vec2 /= 0.5;
for (unsigned int i = 0; i < vec2.getDimension(); i++)
ASSERT(vec2[i] == copy[i] / 0.5);
}
template<class Vec> void testOperatorAssign()
{
Vec vec;
Vec vec2;
for (unsigned int i = 0; i < vec2.getDimension(); i++)
vec2[i] = numbers[i];
vec = vec2;
for (unsigned int i = 0; i < vec.getDimension(); i++)
ASSERT_EQ(vec[i], vec2[i]);
}
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 testCross()
{
Vec vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
vec[i] = numbers[i];
Vec vec2;
for (unsigned int i = vec.getDimension(); i < vec2.getDimension(); i++)
vec2[i] = numbers[i];
auto temp = vec.cross(vec2);
ASSERT_EQ(temp.getDimension(), vec.getDimension());
for (unsigned int i = 0; i < temp.getDimension(); i++)
{
unsigned int i1 = i + 1;
unsigned int i2 = i + 2;
if (i2 >= temp.getDimension())
i2 -= temp.getDimension();
if (i1 >= temp.getDimension())
i1 -= temp.getDimension();
ASSERT(dbgl::isSimilar(temp[i], vec[i1] * vec2[i2] - vec[i2] * vec2[i1]));
}
}
template<class Vec> void testOperatorSubtract()
{
Vec vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
vec[i] = numbers[i];
Vec vec2;
for (unsigned int i = vec.getDimension(); i < vec2.getDimension(); i++)
vec2[i] = numbers[i];
// -
auto vec3 = vec - vec2;
for (unsigned int i = 0; i < vec3.getDimension(); i++)
ASSERT(vec3[i] == vec[i] - vec2[i]);
// -=
Vec copy { vec };
vec -= vec3;
for (unsigned int i = 0; i < vec.getDimension(); i++)
ASSERT(vec[i] == copy[i] - vec3[i]);
// -(unary)
copy = vec;
vec = -vec;
for (unsigned int i = 0; i < vec.getDimension(); i++)
ASSERT(vec[i] == -copy[i]);
}