From 2cace84c901a8ee9302e181d032e67e8f2e7f269 Mon Sep 17 00:00:00 2001
From: Lynix <lynix680@gmail.com>
Date: Fri, 15 Jan 2016 01:04:29 +0100
Subject: [PATCH] Math/Matrix4: Fix computations. Sometimes some values can be
 really small (and very close to zero) without being null.

Former-commit-id: 932160043e4eb4094c7234f8cf4eb7c212966678
---
 include/Nazara/Math/Matrix4.inl | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/include/Nazara/Math/Matrix4.inl b/include/Nazara/Math/Matrix4.inl
index e2f604aed..a5b4fb631 100644
--- a/include/Nazara/Math/Matrix4.inl
+++ b/include/Nazara/Math/Matrix4.inl
@@ -326,7 +326,7 @@ namespace Nz
 		#endif
 
 		T det = GetDeterminant();
-		if (!NumberEquals(det, F(0.0)))
+		if (det != T(0.0))
 		{
 			// http://stackoverflow.com/questions/1148309/inverting-a-4x4-matrix
 			T inv[16];
@@ -484,7 +484,7 @@ namespace Nz
 		#endif
 
 		T det = GetDeterminantAffine();
-		if (!NumberEquals(det, F(0.0)))
+		if (det != F(0.0))
 		{
 			// http://stackoverflow.com/questions/1148309/inverting-a-4x4-matrix
 			T inv[16];
@@ -790,10 +790,7 @@ namespace Nz
 	template<typename T>
 	bool Matrix4<T>::IsAffine() const
 	{
-		return NumberEquals(m14, F(0.0)) &&
-		       NumberEquals(m24, F(0.0)) &&
-		       NumberEquals(m34, F(0.0)) &&
-		       NumberEquals(m44, F(1.0));
+		return m14 == F(0.0) && m24 == F(0.0) && m34 == F(0.0) && m44 == F(1.0);
 	}
 
 	/*!