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/**
 * @file Vector.cpp
 *
 * math vector
 */

#include "math/test/test.hpp"

#include "Vector.hpp"

namespace math
{

static const float data_testA[] = {1, 3};
static const float data_testB[] = {4, 1};

static Vector testA(2, data_testA);
static Vector testB(2, data_testB);

int __EXPORT vectorTest()
{
	vectorAddTest();
	vectorSubTest();
	return 0;
}

int vectorAddTest()
{
	printf("Test Vector Add\t\t: ");
	Vector r = testA + testB;
	float data_test[] = {5.0f, 4.0f};
	ASSERT(vectorEqual(Vector(2, data_test), r));
	printf("PASS\n");
	return 0;
}

int vectorSubTest()
{
	printf("Test Vector Sub\t\t: ");
	Vector r(2);
	r = testA - testB;
	float data_test[] = { -3.0f, 2.0f};
	ASSERT(vectorEqual(Vector(2, data_test), r));
	printf("PASS\n");
	return 0;
}

bool vectorEqual(const Vector &a, const Vector &b, float eps)
{
	if (a.getRows() != b.getRows()) {
		printf("row number not equal a: %d, b:%d\n", a.getRows(), b.getRows());
		return false;
	}

	bool ret = true;

	for (size_t i = 0; i < a.getRows(); i++) {
		if (!equal(a(i), b(i), eps)) {
			printf("element mismatch (%d)\n", i);
			ret = false;
		}
	}

	return ret;
}

} // namespace math