glm/test/gtx/gtx_vector_query.cpp

///////////////////////////////////////////////////////////////////////////////////
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/// @file test/gtx/gtx_vector_query.cpp
/// @date 2011-11-23 / 2014-11-25
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////

#include <glm/vec2.hpp>
#include <glm/vec3.hpp>
#include <glm/vec4.hpp>
#include <glm/gtx/vector_query.hpp>

using namespace glm;

int test_areCollinear()
{
	int Error(0);

	{
		bool TestA = glm::areCollinear(glm::vec2(-1), glm::vec2(1), 0.00001f);
		Error += TestA ? 0 : 1;
	}

	{
		bool TestA = glm::areCollinear(glm::vec3(-1), glm::vec3(1), 0.00001f);
		Error += TestA ? 0 : 1;
	}

	{
		bool TestA = glm::areCollinear(glm::vec4(-1), glm::vec4(1), 0.00001f);
		Error += TestA ? 0 : 1;
	}

	{
		bool TestA = glm::areCollinear(glm::vec2(0, 0), glm::vec2(1, 1), glm::vec2(2, 2));
		Error += TestA ? 0 : 1;
	}

	{
		bool TestA = glm::areCollinear(glm::vec2(0, 0), glm::vec2(1, 1), glm::vec2(4, 2));
		Error += !TestA ? 0 : 1;
	}

	return Error;
}

int test_areOrthogonal()
{
	int Error(0);
	
	bool TestA = glm::areOrthogonal(glm::vec2(1, 0), glm::vec2(0, 1), 0.00001f);
	Error += TestA ? 0 : 1;

	return Error;
}

int test_isNormalized()
{
	int Error(0);
	
	bool TestA = glm::isNormalized(glm::vec4(1, 0, 0, 0), 0.00001f);
	Error += TestA ? 0 : 1;

	return Error;
}

int test_isNull()
{
	int Error(0);
	
	bool TestA = glm::isNull(glm::vec4(0), 0.00001f);
	Error += TestA ? 0 : 1;

	return Error;
}

int test_areOrthonormal()
{
	int Error(0);

	bool TestA = glm::areOrthonormal(glm::vec2(1, 0), glm::vec2(0, 1), 0.00001f);
	Error += TestA ? 0 : 1;

	return Error;
}

int test_isLeft()
{
	int Error(0);

	Error += isLeft(vec2(1, 1), vec2(2.5, 2), vec2(1.305, 3.062)) ? 0 : 1;
	Error += isLeft(vec2(1.278, 1.176), vec2(0.734, 2.257), vec2(0.5, 1.5)) ? 0 : 1;
	Error += isLeft(vec2(1.183, 1.326), vec2(0.923, 0.695), vec2(2, 0)) ? 0 : 1;
	Error += !isLeft(vec2(0.923, 0.695), vec2(1.183, 1.326), vec2(2, 0)) ? 0 : 1;
	Error += isLeft(vec2(0, 0), vec2(1, 0), vec2(-1, 1)) ? 0 : 1;
	return Error;
}

int test_isLeftOrOn()
{
	int Error(0);

	Error += isLeftOrOn(vec2(0, 2), vec2(2, 0), vec2(1, 1)) ? 0 : 1;
	Error += isLeftOrOn(vec2(0, 2), vec2(2, 0), vec2(2, 2)) ? 0 : 1;
	Error += isLeftOrOn(ivec2(0, 2), ivec2(2, 0), ivec2(0, 5)) ? 0 : 1;
	Error += isLeftOrOn(dvec2(0, 2), dvec2(2, 0), dvec2(-1, 5)) ? 0 : 1;
	Error += !isLeftOrOn(vec2(0, 2), vec2(2, 0), vec2(0, 0)) ? 0 : 1;

	return Error;
}

int main()
{
	int Error(0);

	Error += test_areCollinear();
	Error += test_areOrthogonal();
	Error += test_isNormalized();
	Error += test_isNull();
	Error += test_areOrthonormal();
	Error += test_isLeft();
	Error += test_isLeftOrOn();

	return Error;
}