1 files changed, 0 insertions, 254 deletions
diff --git a/external/include/glm/gtx/quaternion.inl b/external/include/glm/gtx/quaternion.inl
deleted file mode 100644
index fde7a8f..0000000
--- a/external/include/glm/gtx/quaternion.inl
+++ /dev/null
@@ -1,254 +0,0 @@
-/// @ref gtx_quaternion
-/// @file glm/gtx/quaternion.inl
-
-#include <limits>
-#include "../gtc/constants.hpp"
-
-namespace glm
-{
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> quat_identity()
-	{
-		return tquat<T, Q>(static_cast<T>(1), static_cast<T>(0), static_cast<T>(0), static_cast<T>(0));
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER vec<3, T, Q> cross(vec<3, T, Q> const& v, tquat<T, Q> const& q)
-	{
-		return inverse(q) * v;
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER vec<3, T, Q> cross(tquat<T, Q> const& q, vec<3, T, Q> const& v)
-	{
-		return q * v;
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> squad
-	(
-		tquat<T, Q> const& q1,
-		tquat<T, Q> const& q2,
-		tquat<T, Q> const& s1,
-		tquat<T, Q> const& s2,
-		T const& h)
-	{
-		return mix(mix(q1, q2, h), mix(s1, s2, h), static_cast<T>(2) * (static_cast<T>(1) - h) * h);
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> intermediate
-	(
-		tquat<T, Q> const& prev,
-		tquat<T, Q> const& curr,
-		tquat<T, Q> const& next
-	)
-	{
-		tquat<T, Q> invQuat = inverse(curr);
-		return exp((log(next + invQuat) + log(prev + invQuat)) / static_cast<T>(-4)) * curr;
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> exp(tquat<T, Q> const& q)
-	{
-		vec<3, T, Q> u(q.x, q.y, q.z);
-		T const Angle = glm::length(u);
-		if (Angle < epsilon<T>())
-			return tquat<T, Q>();
-
-		vec<3, T, Q> const v(u / Angle);
-		return tquat<T, Q>(cos(Angle), sin(Angle) * v);
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> log(tquat<T, Q> const& q)
-	{
-		vec<3, T, Q> u(q.x, q.y, q.z);
-		T Vec3Len = length(u);
-
-		if (Vec3Len < epsilon<T>())
-		{
-			if(q.w > static_cast<T>(0))
-				return tquat<T, Q>(log(q.w), static_cast<T>(0), static_cast<T>(0), static_cast<T>(0));
-			else if(q.w < static_cast<T>(0))
-				return tquat<T, Q>(log(-q.w), pi<T>(), static_cast<T>(0), static_cast<T>(0));
-			else
-				return tquat<T, Q>(std::numeric_limits<T>::infinity(), std::numeric_limits<T>::infinity(), std::numeric_limits<T>::infinity(), std::numeric_limits<T>::infinity());
-		}
-		else
-		{
-			T t = atan(Vec3Len, T(q.w)) / Vec3Len;
-			T QuatLen2 = Vec3Len * Vec3Len + q.w * q.w;
-			return tquat<T, Q>(static_cast<T>(0.5) * log(QuatLen2), t * q.x, t * q.y, t * q.z);
-		}
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> pow(tquat<T, Q> const& x, T const& y)
-	{
-		//Raising to the power of 0 should yield 1
-		//Needed to prevent a division by 0 error later on
-		if(y > -epsilon<T>() && y < epsilon<T>())
-			return tquat<T, Q>(1,0,0,0);
-
-		//To deal with non-unit quaternions
-		T magnitude = sqrt(x.x * x.x + x.y * x.y + x.z * x.z + x.w *x.w);
-
-		//Equivalent to raising a real number to a power
-		//Needed to prevent a division by 0 error later on
-		if(abs(x.w / magnitude) > static_cast<T>(1) - epsilon<T>() && abs(x.w / magnitude) < static_cast<T>(1) + epsilon<T>())
-			return tquat<T, Q>(pow(x.w, y),0,0,0);
-
-		T Angle = acos(x.w / magnitude);
-		T NewAngle = Angle * y;
-		T Div = sin(NewAngle) / sin(Angle);
-		T Mag = pow(magnitude, y - static_cast<T>(1));
-
-		return tquat<T, Q>(cos(NewAngle) * magnitude * Mag, x.x * Div * Mag, x.y * Div * Mag, x.z * Div * Mag);
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER vec<3, T, Q> rotate(tquat<T, Q> const& q, vec<3, T, Q> const& v)
-	{
-		return q * v;
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER vec<4, T, Q> rotate(tquat<T, Q> const& q, vec<4, T, Q> const& v)
-	{
-		return q * v;
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER T extractRealComponent(tquat<T, Q> const& q)
-	{
-		T w = static_cast<T>(1) - q.x * q.x - q.y * q.y - q.z * q.z;
-		if(w < T(0))
-			return T(0);
-		else
-			return -sqrt(w);
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER T length2(tquat<T, Q> const& q)
-	{
-		return q.x * q.x + q.y * q.y + q.z * q.z + q.w * q.w;
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> shortMix(tquat<T, Q> const& x, tquat<T, Q> const& y, T const& a)
-	{
-		if(a <= static_cast<T>(0)) return x;
-		if(a >= static_cast<T>(1)) return y;
-
-		T fCos = dot(x, y);
-		tquat<T, Q> y2(y); //BUG!!! tquat<T> y2;
-		if(fCos < static_cast<T>(0))
-		{
-			y2 = -y;
-			fCos = -fCos;
-		}
-
-		//if(fCos > 1.0f) // problem
-		T k0, k1;
-		if(fCos > (static_cast<T>(1) - epsilon<T>()))
-		{
-			k0 = static_cast<T>(1) - a;
-			k1 = static_cast<T>(0) + a; //BUG!!! 1.0f + a;
-		}
-		else
-		{
-			T fSin = sqrt(T(1) - fCos * fCos);
-			T fAngle = atan(fSin, fCos);
-			T fOneOverSin = static_cast<T>(1) / fSin;
-			k0 = sin((static_cast<T>(1) - a) * fAngle) * fOneOverSin;
-			k1 = sin((static_cast<T>(0) + a) * fAngle) * fOneOverSin;
-		}
-
-		return tquat<T, Q>(
-			k0 * x.w + k1 * y2.w,
-			k0 * x.x + k1 * y2.x,
-			k0 * x.y + k1 * y2.y,
-			k0 * x.z + k1 * y2.z);
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> fastMix(tquat<T, Q> const& x, tquat<T, Q> const& y, T const& a)
-	{
-		return glm::normalize(x * (static_cast<T>(1) - a) + (y * a));
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> rotation(vec<3, T, Q> const& orig, vec<3, T, Q> const& dest)
-	{
-		T cosTheta = dot(orig, dest);
-		vec<3, T, Q> rotationAxis;
-
-		if(cosTheta >= static_cast<T>(1) - epsilon<T>()) {
-			// orig and dest point in the same direction
-			return quat_identity<T,Q>();
-		}
-
-		if(cosTheta < static_cast<T>(-1) + epsilon<T>())
-		{
-			// special case when vectors in opposite directions :
-			// there is no "ideal" rotation axis
-			// So guess one; any will do as long as it's perpendicular to start
-			// This implementation favors a rotation around the Up axis (Y),
-			// since it's often what you want to do.
-			rotationAxis = cross(vec<3, T, Q>(0, 0, 1), orig);
-			if(length2(rotationAxis) < epsilon<T>()) // bad luck, they were parallel, try again!
-				rotationAxis = cross(vec<3, T, Q>(1, 0, 0), orig);
-
-			rotationAxis = normalize(rotationAxis);
-			return angleAxis(pi<T>(), rotationAxis);
-		}
-
-		// Implementation from Stan Melax's Game Programming Gems 1 article
-		rotationAxis = cross(orig, dest);
-
-		T s = sqrt((T(1) + cosTheta) * static_cast<T>(2));
-		T invs = static_cast<T>(1) / s;
-
-		return tquat<T, Q>(
-			s * static_cast<T>(0.5f),
-			rotationAxis.x * invs,
-			rotationAxis.y * invs,
-			rotationAxis.z * invs);
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> quatLookAt(vec<3, T, Q> const& direction, vec<3, T, Q> const& up)
-	{
-#		if GLM_COORDINATE_SYSTEM == GLM_LEFT_HANDED
-			return quatLookAtLH(direction, up);
-#		else
-			return quatLookAtRH(direction, up);
-# 		endif
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> quatLookAtRH(vec<3, T, Q> const& direction, vec<3, T, Q> const& up)
-	{
-		mat<3, 3, T, Q> Result;
-
-		Result[2] = -direction;
-		Result[0] = normalize(cross(up, Result[2]));
-		Result[1] = cross(Result[2], Result[0]);
-
-		return quat_cast(Result);
-	}
-
-	template<typename T, qualifier Q>
-	GLM_FUNC_QUALIFIER tquat<T, Q> quatLookAtLH(vec<3, T, Q> const& direction, vec<3, T, Q> const& up)
-	{
-		mat<3, 3, T, Q> Result;
-
-		Result[2] = direction;
-		Result[0] = normalize(cross(up, Result[2]));
-		Result[1] = cross(Result[2], Result[0]);
-
-		return quat_cast(Result);
-	}
-
-}//namespace glm