Added more geometric function tests

readme.txt

@@ -37,7 +37,7 @@ More informations in GLM manual:
 http://glm.g-truc.net/glm.pdf
 
 ================================================================================
-GLM 0.9.6.0: 2014-XX-XX
+GLM 0.9.6.0: 2014-11-XX
 --------------------------------------------------------------------------------
 Features:
 - Added transparent use of SIMD instructions for vec4 and mat4 types

test/core/core_func_geometric.cpp

@@ -2,69 +2,184 @@
 // OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // Created : 2011-01-15
-// Updated : 2011-11-14
+// Updated : 2014-11-16
 // Licence : This source is under MIT licence
 // File    : test/core/func_geometric.cpp
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 #include <glm/geometric.hpp>
+#include <glm/vector_relational.hpp>
 #include <glm/gtc/epsilon.hpp>
+#include <glm/gtc/vec1.hpp>
+#include <limits>
 
-int test_reflect()
+namespace length
 {
-	int Error = 0;
-
+	int test()
 	{
-		glm::vec2 A(1.0f,-1.0f);
-		glm::vec2 B(0.0f, 1.0f);
-		glm::vec2 C = glm::reflect(A, B);
-		Error += C == glm::vec2(1.0, 1.0) ? 0 : 1;
+		float Length1 = glm::length(glm::vec1(1));
+		float Length2 = glm::length(glm::vec2(1, 0));
+		float Length3 = glm::length(glm::vec3(1, 0, 0));
+		float Length4 = glm::length(glm::vec4(1, 0, 0, 0));
+
+		int Error = 0;
+
+		Error += glm::abs(Length1 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+		Error += glm::abs(Length2 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+		Error += glm::abs(Length3 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+		Error += glm::abs(Length4 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+
+		return Error;
 	}
+}//namespace length
 
+namespace distance
+{
+	int test()
 	{
-		glm::dvec2 A(1.0f,-1.0f);
-		glm::dvec2 B(0.0f, 1.0f);
-		glm::dvec2 C = glm::reflect(A, B);
-		Error += C == glm::dvec2(1.0, 1.0) ? 0 : 1;
+		float Distance1 = glm::distance(glm::vec1(1), glm::vec1(1));
+		float Distance2 = glm::distance(glm::vec2(1, 0), glm::vec2(1, 0));
+		float Distance3 = glm::distance(glm::vec3(1, 0, 0), glm::vec3(1, 0, 0));
+		float Distance4 = glm::distance(glm::vec4(1, 0, 0, 0), glm::vec4(1, 0, 0, 0));
+
+		int Error = 0;
+
+		Error += glm::abs(Distance1) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+		Error += glm::abs(Distance2) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+		Error += glm::abs(Distance3) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+		Error += glm::abs(Distance4) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+
+		return Error;
 	}
+}//namespace distance
 
-	return Error;
-}
+namespace dot
+{
+	int test()
+	{
+		float Dot1 = glm::dot(glm::vec1(1), glm::vec1(1));
+		float Dot2 = glm::dot(glm::vec2(1), glm::vec2(1));
+		float Dot3 = glm::dot(glm::vec3(1), glm::vec3(1));
+		float Dot4 = glm::dot(glm::vec4(1), glm::vec4(1));
+
+		int Error = 0;
+
+		Error += glm::abs(Dot1 - 1.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+		Error += glm::abs(Dot2 - 2.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+		Error += glm::abs(Dot3 - 3.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+		Error += glm::abs(Dot4 - 4.0f) < std::numeric_limits<float>::epsilon() ? 0 : 1;
+
+		return Error;
+	}
+}//namespace dot
 
-int test_refract()
+namespace cross
 {
-	int Error = 0;
+	int test()
+	{
+		glm::vec3 Cross1 = glm::cross(glm::vec3(1, 0, 0), glm::vec3(0, 1, 0));
+		glm::vec3 Cross2 = glm::cross(glm::vec3(0, 1, 0), glm::vec3(1, 0, 0));
+
+		int Error = 0;
 
+		Error += glm::all(glm::lessThan(glm::abs(Cross1 - glm::vec3(0, 0, 1)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
+		Error += glm::all(glm::lessThan(glm::abs(Cross2 - glm::vec3(0, 0,-1)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
+
+		return Error;
+	}
+}//namespace cross
+
+namespace normalize
+{
+	int test()
 	{
-		float A(-1.0f);
-		float B(1.0f);
-		float C = glm::refract(A, B, 0.5f);
-		Error += C == -1.0f ? 0 : 1;
+		glm::vec3 Normalize1 = glm::normalize(glm::vec3(1, 0, 0));
+		glm::vec3 Normalize2 = glm::normalize(glm::vec3(2, 0, 0));
+
+		int Error = 0;
+
+		Error += glm::all(glm::lessThan(glm::abs(Normalize1 - glm::vec3(1, 0, 0)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
+		Error += glm::all(glm::lessThan(glm::abs(Normalize2 - glm::vec3(1, 0, 0)), glm::vec3(std::numeric_limits<float>::epsilon()))) ? 0 : 1;
+
+		return Error;
 	}
+}//namespace normalize
 
+namespace faceforward
+{
+	int test()
 	{
-		glm::vec2 A(0.0f,-1.0f);
-		glm::vec2 B(0.0f, 1.0f);
-		glm::vec2 C = glm::refract(A, B, 0.5f);
-		Error += glm::all(glm::epsilonEqual(C, glm::vec2(0.0, -1.0), 0.0001f)) ? 0 : 1;
+		return 0;
 	}
+}//namespace faceforward
 
+namespace reflect
+{
+	int test()
 	{
-		glm::dvec2 A(0.0f,-1.0f);
-		glm::dvec2 B(0.0f, 1.0f);
-		glm::dvec2 C = glm::refract(A, B, 0.5);
-		Error += C == glm::dvec2(0.0, -1.0) ? 0 : 1;
+		int Error = 0;
+
+		{
+			glm::vec2 A(1.0f,-1.0f);
+			glm::vec2 B(0.0f, 1.0f);
+			glm::vec2 C = glm::reflect(A, B);
+			Error += C == glm::vec2(1.0, 1.0) ? 0 : 1;
+		}
+
+		{
+			glm::dvec2 A(1.0f,-1.0f);
+			glm::dvec2 B(0.0f, 1.0f);
+			glm::dvec2 C = glm::reflect(A, B);
+			Error += C == glm::dvec2(1.0, 1.0) ? 0 : 1;
+		}
+
+		return Error;
 	}
+}//namespace reflect
 
-	return Error;
-}
+namespace refract
+{
+	int test()
+	{
+		int Error = 0;
+
+		{
+			float A(-1.0f);
+			float B(1.0f);
+			float C = glm::refract(A, B, 0.5f);
+			Error += C == -1.0f ? 0 : 1;
+		}
+
+		{
+			glm::vec2 A(0.0f,-1.0f);
+			glm::vec2 B(0.0f, 1.0f);
+			glm::vec2 C = glm::refract(A, B, 0.5f);
+			Error += glm::all(glm::epsilonEqual(C, glm::vec2(0.0, -1.0), 0.0001f)) ? 0 : 1;
+		}
+
+		{
+			glm::dvec2 A(0.0f,-1.0f);
+			glm::dvec2 B(0.0f, 1.0f);
+			glm::dvec2 C = glm::refract(A, B, 0.5);
+			Error += C == glm::dvec2(0.0, -1.0) ? 0 : 1;
+		}
+
+		return Error;
+	}
+}//namespace refract
 
 int main()
 {
 	int Error(0);
 
-	Error += test_reflect();
-	Error += test_refract();
+	Error += length::test();
+	Error += distance::test();
+	Error += dot::test();
+	Error += cross::test();
+	Error += normalize::test();
+	Error += faceforward::test();
+	Error += reflect::test();
+	Error += refract::test();
 
 	return Error;
 }