X-Git-Url: http://git.tdb.fi/?p=libs%2Fmath.git;a=blobdiff_plain;f=source%2Fgeometry%2Faffinetransformation.h;h=0e377baaa51d633186969ace978494d79edfccf1;hp=430619ed163702594f71b267e800e85b87876504;hb=204db1dfb803a97481f2a8b3bbaf6e20be6e0980;hpb=adb812a194961d542dcb0abd61258cbc8723ecd9

diff --git a/source/geometry/affinetransformation.h b/source/geometry/affinetransformation.h
index 430619e..0e377ba 100644
--- a/source/geometry/affinetransformation.h
+++ b/source/geometry/affinetransformation.h
@@ -168,46 +168,16 @@ inline AffineTransformation<T, D> invert(const AffineTransformation<T, D> &at)
 	return r.invert();
 }
 
-
-template<typename T, unsigned N>
-inline LinAl::Vector<T, N+1> augment_vector(const LinAl::Vector<T, N> &v, T s)
-{
-	LinAl::Vector<T, N+1> r;
-	for(unsigned i=0; i<N; ++i)
-		r[i] = v[i];
-	r[N] = s;
-	return r;
-}
-
-template<typename T, unsigned N>
-inline LinAl::Vector<T, N-1> reduce_vector(const LinAl::Vector<T, N> &v)
-{
-	LinAl::Vector<T, N-1> r;
-	for(unsigned i=0; i<N-1; ++i)
-		r[i] = v[i];
-	return r;
-}
-
-template<typename T, unsigned N>
-inline LinAl::Vector<T, N-1> divide_vector(const LinAl::Vector<T, N> &v)
-{
-	LinAl::Vector<T, N-1> r;
-	for(unsigned i=0; i<N-1; ++i)
-		r[i] = v[i]/v[N-1];
-	return r;
-}
-
-
 template<typename T, unsigned D>
 inline LinAl::Vector<T, D> AffineTransformation<T, D>::transform(const LinAl::Vector<T, D> &v) const
 {
-	return reduce_vector(matrix*augment_vector(v, T(1)));
+	return LinAl::Vector<T, D>(matrix*LinAl::Vector<T, D+1>(v, T(1)));
 }
 
 template<typename T, unsigned D>
 inline LinAl::Vector<T, D> AffineTransformation<T, D>::transform_linear(const LinAl::Vector<T, D> &v) const
 {
-	return reduce_vector(matrix*augment_vector(v, T(0)));
+	return LinAl::Vector<T, D>(matrix*LinAl::Vector<T, D+1>(v, T(0)));
 }
 
 } // namespace Geometry