vector.cpp

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#include "test_macros.hpp"

#include <matrix/math.hpp>

using namespace matrix;

int main()
{
    // test data
    float data1[] = {1,2,3,4,5};
    float data2[] = {6,7,8,9,10};
    Vector<float, 5> v1(data1);
    Vector<float, 5> v2(data2);

    // copy constructor
    Vector<float, 5> v3(v2);
    TEST(isEqual(v2, v3));

    // norm, dot product
    TEST(isEqualF(v1.norm(), 7.416198487095663f));
    TEST(isEqualF(v1.norm_squared(), v1.norm() * v1.norm()));
    TEST(isEqualF(v1.norm(), v1.length()));
    TEST(isEqualF(v1.dot(v2), 130.0f));
    TEST(isEqualF(v1.dot(v2), v1 * v2));

    // unit, unit_zero, normalize
    TEST(isEqualF(v2.unit().norm(), 1.f));
    TEST(isEqualF(v2.unit_or_zero().norm(), 1.f));
    TEST(isEqualF(Vector<float, 5>().unit_or_zero().norm(), 0.f));
    v2.normalize();
    TEST(isEqualF(v2.norm(), 1.f));

    // sqrt
    float data1_sq[] = {1,4,9,16,25};
    Vector<float, 5> v4(data1_sq);
    TEST(isEqual(v1, v4.sqrt()));

    // longerThan
    Vector<float, 2> v5;
    v5(0) = 3;
    v5(1) = 4;
    TEST(v5.longerThan(4.99f));
    TEST(!v5.longerThan(5.f));

    return 0;
}

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