A bit of cleanup

source/tuple.cpp

@@ -45,24 +45,6 @@ Tuple Tuple::reflect(const Tuple &normal)
     return *this - normal * 2 * this->dot(normal);
 }
 
-void Tuple::fixPoint()
-{
-    if (isnan(this->x) || isnan(this->y) || isnan(this->z))
-    {
-        /* w is probably broken, so fix it */
-        this->w = 1;
-    }
-}
-
-void Tuple::fixVector()
-{
-    if (isnan(this->x) || isnan(this->y) || isnan(this->z))
-    {
-        /* w is probably broken, so fix it */
-        this->w = 0;
-    }
-}
-
 bool Tuple::isRepresentable()
 {
     return !(isnan(this->x) || isnan(this->y) || isnan(this->z) ||