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Diffstat (limited to 'src/2geom/affine.cpp')
| -rw-r--r-- | src/2geom/affine.cpp | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/src/2geom/affine.cpp b/src/2geom/affine.cpp index 925f43820..2a1f18d77 100644 --- a/src/2geom/affine.cpp +++ b/src/2geom/affine.cpp @@ -1,9 +1,3 @@ -#define __Geom_MATRIX_C__ - -/** \file - * Various matrix routines. Currently includes some Geom::Rotate etc. routines too. - */ - /* * Authors: * Lauris Kaplinski <lauris@kaplinski.com> @@ -387,10 +381,10 @@ Coord Affine::descrim2() const { } /** @brief Calculate the descriminant. - * If the matrix doesn't contain a non-uniform scaling or shearing component, this value says - * how will the length any line segment change after applying this transformation - * to arbitrary objects on a plane (the new length will be - * @code line_seg.length() * m.descrim()) @endcode. + * If the matrix doesn't contain a shearing or non-uniform scaling component, this value says + * how will the length of any line segment change after applying this transformation + * to arbitrary objects on a plane. The new length will be + * @code line_seg.length() * m.descrim()) @endcode * @return \f$\sqrt{|\det A|}\f$. */ Coord Affine::descrim() const { return sqrt(descrim2()); |