From 0cd665c4caa7b0096a079967cf4c82e70b01c435 Mon Sep 17 00:00:00 2001
From: Christophe Riccio <mail@g-truc.net>
Date: Thu, 24 Nov 2011 16:36:49 +0000
Subject: [PATCH] Fixed reflect and refract test

---
 test/core/core_func_geometric.cpp | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/test/core/core_func_geometric.cpp b/test/core/core_func_geometric.cpp
index 7ef85fc4..b7e8f991 100644
--- a/test/core/core_func_geometric.cpp
+++ b/test/core/core_func_geometric.cpp
@@ -8,23 +8,24 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
 #include <glm/glm.hpp>
+#include <glm/gtx/epsilon.hpp>
 
 int test_reflect()
 {
 	int Error = 0;
 
 	{
-		glm::vec2 A(1.0f, 0.0f);
+		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, 0.0) ? 0 : 1;
+		Error += C == glm::vec2(1.0, 1.0) ? 0 : 1;
 	}
 
 	{
-		glm::dvec2 A(1.0f, 0.0f);
+		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, 0.0) ? 0 : 1;
+		Error += C == glm::dvec2(1.0, 1.0) ? 0 : 1;
 	}
 
 	return Error;
@@ -35,24 +36,24 @@ int test_refract()
 	int Error = 0;
 
 	{
-		float A(1.0f);
+		float A(-1.0f);
 		float B(1.0f);
 		float C = glm::refract(A, B, 0.5f);
-		Error += C == 1.0f ? 0 : 1;
+		Error += C == -1.0f ? 0 : 1;
 	}
 
 	{
-		glm::vec2 A(1.0f, 0.0f);
+		glm::vec2 A(0.0f,-1.0f);
 		glm::vec2 B(0.0f, 1.0f);
 		glm::vec2 C = glm::refract(A, B, 0.5f);
-		Error += C == glm::vec2(-1.0, 0.0) ? 0 : 1;
+		Error += glm::all(glm::equalEpsilon(C, glm::vec2(0.0, -1.0), 0.0001f)) ? 0 : 1;
 	}
 
 	{
-		glm::dvec2 A(1.0f, 0.0f);
+		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(-1.0, 0.0) ? 0 : 1;
+		Error += C == glm::dvec2(0.0, -1.0) ? 0 : 1;
 	}
 
 	return Error;