Merge pull request #1671 from assimp/aiVector3_Reviewfindings

Fix some minor findings.

include/assimp/vector3.inl

@@ -55,8 +55,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // ------------------------------------------------------------------------------------------------
 /** Transformation of a vector by a 3x3 matrix */
 template <typename TReal>
-inline aiVector3t<TReal> operator * (const aiMatrix3x3t<TReal>& pMatrix, const aiVector3t<TReal>& pVector)
-{
+AI_FORCE_INLINE
+aiVector3t<TReal> operator * (const aiMatrix3x3t<TReal>& pMatrix, const aiVector3t<TReal>& pVector) {
     aiVector3t<TReal> res;
     res.x = pMatrix.a1 * pVector.x + pMatrix.a2 * pVector.y + pMatrix.a3 * pVector.z;
     res.y = pMatrix.b1 * pVector.x + pMatrix.b2 * pVector.y + pMatrix.b3 * pVector.z;
@@ -67,8 +67,8 @@ inline aiVector3t<TReal> operator * (const aiMatrix3x3t<TReal>& pMatrix, const a
 // ------------------------------------------------------------------------------------------------
 /** Transformation of a vector by a 4x4 matrix */
 template <typename TReal>
-inline aiVector3t<TReal> operator * (const aiMatrix4x4t<TReal>& pMatrix, const aiVector3t<TReal>& pVector)
-{
+AI_FORCE_INLINE
+aiVector3t<TReal> operator * (const aiMatrix4x4t<TReal>& pMatrix, const aiVector3t<TReal>& pVector) {
     aiVector3t<TReal> res;
     res.x = pMatrix.a1 * pVector.x + pMatrix.a2 * pVector.y + pMatrix.a3 * pVector.z + pMatrix.a4;
     res.y = pMatrix.b1 * pVector.x + pMatrix.b2 * pVector.y + pMatrix.b3 * pVector.z + pMatrix.b4;
@@ -83,65 +83,99 @@ aiVector3t<TReal>::operator aiVector3t<TOther> () const {
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE void aiVector3t<TReal>::Set( TReal pX, TReal pY, TReal pZ) {
-    x = pX; y = pY; z = pZ;
+AI_FORCE_INLINE
+void aiVector3t<TReal>::Set( TReal pX, TReal pY, TReal pZ) {
+    x = pX;
+    y = pY;
+    z = pZ;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE TReal aiVector3t<TReal>::SquareLength() const {
+AI_FORCE_INLINE
+TReal aiVector3t<TReal>::SquareLength() const {
     return x*x + y*y + z*z;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE TReal aiVector3t<TReal>::Length() const {
+AI_FORCE_INLINE
+TReal aiVector3t<TReal>::Length() const {
     return std::sqrt( SquareLength());
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE aiVector3t<TReal>& aiVector3t<TReal>::Normalize() {
-    *this /= Length(); return *this;
+AI_FORCE_INLINE
+aiVector3t<TReal>& aiVector3t<TReal>::Normalize() {
+    *this /= Length();
+
+    return *this;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE aiVector3t<TReal>& aiVector3t<TReal>::NormalizeSafe() {
+AI_FORCE_INLINE
+aiVector3t<TReal>& aiVector3t<TReal>::NormalizeSafe() {
     TReal len = Length();
-    if (len > static_cast<TReal>(0))
+    if ( len > static_cast< TReal >( 0 ) ) {
         *this /= len;
+    }
     return *this;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE const aiVector3t<TReal>& aiVector3t<TReal>::operator += (const aiVector3t<TReal>& o) {
-    x += o.x; y += o.y; z += o.z; return *this;
+AI_FORCE_INLINE
+const aiVector3t<TReal>& aiVector3t<TReal>::operator += (const aiVector3t<TReal>& o) {
+    x += o.x;
+    y += o.y;
+    z += o.z;
+
+    return *this;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE const aiVector3t<TReal>& aiVector3t<TReal>::operator -= (const aiVector3t<TReal>& o) {
-    x -= o.x; y -= o.y; z -= o.z; return *this;
+AI_FORCE_INLINE
+const aiVector3t<TReal>& aiVector3t<TReal>::operator -= (const aiVector3t<TReal>& o) {
+    x -= o.x;
+    y -= o.y;
+    z -= o.z;
+
+    return *this;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE const aiVector3t<TReal>& aiVector3t<TReal>::operator *= (TReal f) {
-    x *= f; y *= f; z *= f; return *this;
+AI_FORCE_INLINE
+const aiVector3t<TReal>& aiVector3t<TReal>::operator *= (TReal f) {
+    x *= f;
+    y *= f;
+    z *= f;
+
+    return *this;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE const aiVector3t<TReal>& aiVector3t<TReal>::operator /= (TReal f) {
-    x /= f; y /= f; z /= f; return *this;
+AI_FORCE_INLINE
+const aiVector3t<TReal>& aiVector3t<TReal>::operator /= (TReal f) {
+    const TReal invF = (TReal) 1.0 / f;
+    x *= invF;
+    y *= invF;
+    z *= invF;
+
+    return *this;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix3x3t<TReal>& mat){
-    return(*this =  mat * (*this));
+AI_FORCE_INLINE
+aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix3x3t<TReal>& mat){
+    return (*this =  mat * (*this));
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix4x4t<TReal>& mat){
-    return(*this = mat * (*this));
+AI_FORCE_INLINE
+aiVector3t<TReal>& aiVector3t<TReal>::operator *= (const aiMatrix4x4t<TReal>& mat){
+    return (*this = mat * (*this));
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE TReal aiVector3t<TReal>::operator[](unsigned int i) const {
+AI_FORCE_INLINE
+TReal aiVector3t<TReal>::operator[](unsigned int i) const {
     switch (i) {
         case 0:
             return x;
@@ -156,7 +190,8 @@ AI_FORCE_INLINE TReal aiVector3t<TReal>::operator[](unsigned int i) const {
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE TReal& aiVector3t<TReal>::operator[](unsigned int i) {
+AI_FORCE_INLINE
+TReal& aiVector3t<TReal>::operator[](unsigned int i) {
 //    return *(&x + i);
     switch (i) {
         case 0:
@@ -172,17 +207,20 @@ AI_FORCE_INLINE TReal& aiVector3t<TReal>::operator[](unsigned int i) {
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE bool aiVector3t<TReal>::operator== (const aiVector3t<TReal>& other) const {
+AI_FORCE_INLINE
+bool aiVector3t<TReal>::operator== (const aiVector3t<TReal>& other) const {
     return x == other.x && y == other.y && z == other.z;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE bool aiVector3t<TReal>::operator!= (const aiVector3t<TReal>& other) const {
+AI_FORCE_INLINE
+bool aiVector3t<TReal>::operator!= (const aiVector3t<TReal>& other) const {
     return x != other.x || y != other.y || z != other.z;
 }
 // ---------------------------------------------------------------------------
 template<typename TReal>
-AI_FORCE_INLINE bool aiVector3t<TReal>::Equal(const aiVector3t<TReal>& other, TReal epsilon) const {
+AI_FORCE_INLINE
+bool aiVector3t<TReal>::Equal(const aiVector3t<TReal>& other, TReal epsilon) const {
     return
         std::abs(x - other.x) <= epsilon &&
         std::abs(y - other.y) <= epsilon &&
@@ -190,66 +228,77 @@ AI_FORCE_INLINE bool aiVector3t<TReal>::Equal(const aiVector3t<TReal>& other, TR
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE bool aiVector3t<TReal>::operator < (const aiVector3t<TReal>& other) const {
+AI_FORCE_INLINE
+bool aiVector3t<TReal>::operator < (const aiVector3t<TReal>& other) const {
     return x != other.x ? x < other.x : y != other.y ? y < other.y : z < other.z;
 }
 // ------------------------------------------------------------------------------------------------
 template <typename TReal>
-AI_FORCE_INLINE const aiVector3t<TReal> aiVector3t<TReal>::SymMul(const aiVector3t<TReal>& o) {
+AI_FORCE_INLINE
+const aiVector3t<TReal> aiVector3t<TReal>::SymMul(const aiVector3t<TReal>& o) {
     return aiVector3t<TReal>(x*o.x,y*o.y,z*o.z);
 }
 // ------------------------------------------------------------------------------------------------
 // symmetric addition
 template <typename TReal>
-AI_FORCE_INLINE aiVector3t<TReal> operator + (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
+AI_FORCE_INLINE
+aiVector3t<TReal> operator + (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
     return aiVector3t<TReal>( v1.x + v2.x, v1.y + v2.y, v1.z + v2.z);
 }
 // ------------------------------------------------------------------------------------------------
 // symmetric subtraction
 template <typename TReal>
-AI_FORCE_INLINE aiVector3t<TReal> operator - (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
+AI_FORCE_INLINE
+aiVector3t<TReal> operator - (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
     return aiVector3t<TReal>( v1.x - v2.x, v1.y - v2.y, v1.z - v2.z);
 }
 // ------------------------------------------------------------------------------------------------
 // scalar product
 template <typename TReal>
-AI_FORCE_INLINE TReal operator * (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
+AI_FORCE_INLINE
+TReal operator * (const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
     return v1.x*v2.x + v1.y*v2.y + v1.z*v2.z;
 }
 // ------------------------------------------------------------------------------------------------
 // scalar multiplication
 template <typename TReal>
-AI_FORCE_INLINE aiVector3t<TReal> operator * ( TReal f, const aiVector3t<TReal>& v) {
+AI_FORCE_INLINE
+aiVector3t<TReal> operator * ( TReal f, const aiVector3t<TReal>& v) {
     return aiVector3t<TReal>( f*v.x, f*v.y, f*v.z);
 }
 // ------------------------------------------------------------------------------------------------
 // and the other way around
 template <typename TReal>
-AI_FORCE_INLINE  aiVector3t<TReal> operator * ( const aiVector3t<TReal>& v, TReal f)    {
+AI_FORCE_INLINE
+aiVector3t<TReal> operator * ( const aiVector3t<TReal>& v, TReal f) {
     return aiVector3t<TReal>( f*v.x, f*v.y, f*v.z);
 }
 // ------------------------------------------------------------------------------------------------
 // scalar division
 template <typename TReal>
-AI_FORCE_INLINE  aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, TReal f)    {
+AI_FORCE_INLINE
+aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, TReal f) {
     return v * (1/f);
 }
 // ------------------------------------------------------------------------------------------------
 // vector division
 template <typename TReal>
-AI_FORCE_INLINE  aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, const aiVector3t<TReal>& v2)    {
+AI_FORCE_INLINE
+aiVector3t<TReal> operator / ( const aiVector3t<TReal>& v, const aiVector3t<TReal>& v2) {
     return aiVector3t<TReal>(v.x / v2.x,v.y / v2.y,v.z / v2.z);
 }
 // ------------------------------------------------------------------------------------------------
 // cross product
-template <typename TReal>
-AI_FORCE_INLINE  aiVector3t<TReal> operator ^ ( const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2)   {
+template<typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator ^ ( const aiVector3t<TReal>& v1, const aiVector3t<TReal>& v2) {
     return aiVector3t<TReal>( v1.y*v2.z - v1.z*v2.y, v1.z*v2.x - v1.x*v2.z, v1.x*v2.y - v1.y*v2.x);
 }
 // ------------------------------------------------------------------------------------------------
 // vector negation
-template <typename TReal>
-AI_FORCE_INLINE  aiVector3t<TReal> operator - ( const aiVector3t<TReal>& v) {
+template<typename TReal>
+AI_FORCE_INLINE
+aiVector3t<TReal> operator - ( const aiVector3t<TReal>& v) {
     return aiVector3t<TReal>( -v.x, -v.y, -v.z);
 }