/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/ is in libpixels-java 2.1.3+svn.42-2.
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/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/AxisAngle4f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/Color4f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/Matrix4f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/Point3f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/Point4f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/Quat4f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/Tuple3f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/Tuple4f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/Vector3f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/Vector4f.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/package-frame.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/package-summary.html
/usr/share/doc/libpixels-java/api/com/jhlabs/vecmath/package-tree.html