--- a/inst/geom2d/lineAngle.m
+++ b/inst/geom2d/lineAngle.m
@@ -22,76 +22,76 @@
 ## CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 ## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-## -*- texinfo -*-
-## @deftypefn {Function File} {@var{theta} =} lineAngle(varargin)
-## Computes angle between two straight lines
-##
-##   A = lineAngle(LINE);
-##   Returns the angle between horizontal, right-axis and the given line.
-##   Angle is fiven in radians, between 0 and 2*pi, in counter-clockwise
-##   direction.
-##
-##   A = lineAngle(LINE1, LINE2);
-##   Returns the directed angle between the two lines. Angle is given in
-##   radians between 0 and 2*pi, in counter-clockwise direction.
-## 
-## @seealso{lines2d, angles2d, createLine, normalizeAngle}
-## @end deftypefn
-
-function theta = lineAngle(varargin)
-
-  nargs = length(varargin);
-  if nargs == 1
-      # angle of one line with horizontal
-      line = varargin{1};
-      theta = mod(atan2(line(:,4), line(:,3)) + 2*pi, 2*pi);
-      
-  elseif nargs==2
-      # angle between two lines
-      theta1 = lineAngle(varargin{1});
-      theta2 = lineAngle(varargin{2});
-      theta = mod(bsxfun(@minus, theta2, theta1)+2*pi, 2*pi);
-  end
-
-endfunction
-
-# horizontal
-%!test
-%! line1 = createLine([2 3 1 0]);
-%! assert (lineAngle(line1), 0, 1e-6);
-
-%!test
-%! line1 = createLine([2 3 0 1]);
-%! assert (lineAngle(line1), pi/2, 1e-6);
-
-%!test
-%! line1 = createLine([2 3 1 1]);
-%! assert (lineAngle(line1), pi/4, 1e-6);
-
-%!test
-%! line1 = createLine([2 3 5 -1]);
-%! assert (lineAngle(line1), mod(atan2(-1, 5)+2*pi, 2*pi), 1e-6);
-
-%!test
-%! line1 = createLine([2 3 5000 -1000]);
-%! assert (lineAngle(line1), mod(atan2(-1, 5)+2*pi, 2*pi), 1e-6);
-
-%!test
-%! line1 = createLine([2 3 -1 0]);
-%! assert (lineAngle(line1), pi, 1e-6);
-
-# test lineAngle with two parameters : angle between 2 lines
-# check for 2 orthogonal lines
-%!test
-%! line1 = createLine([1 3 1 0]);
-%! line2 = createLine([-2 -1 0 1]);
-%! assert (lineAngle(line1, line2), pi/2, 1e-6);
-%! assert (lineAngle(line2, line1), 3*pi/2, 1e-6);
-
-# check for 2 orthogonal lines, with very different parametrizations
-%!test
-%! line1 = createLine([1 3 1 1]);
-%! line2 = createLine([-2 -1 -1000 1000]);
-%! assert (lineAngle(line1, line2), pi/2, 1e-6);
-%! assert (lineAngle(line2, line1), 3*pi/2, 1e-6);
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {@var{theta} =} lineAngle(varargin)
+## Computes angle between two straight lines
+##
+##   A = lineAngle(LINE);
+##   Returns the angle between horizontal, right-axis and the given line.
+##   Angle is fiven in radians, between 0 and 2*pi, in counter-clockwise
+##   direction.
+##
+##   A = lineAngle(LINE1, LINE2);
+##   Returns the directed angle between the two lines. Angle is given in
+##   radians between 0 and 2*pi, in counter-clockwise direction.
+## 
+## @seealso{lines2d, angles2d, createLine, normalizeAngle}
+## @end deftypefn
+
+function theta = lineAngle(varargin)
+
+  nargs = length(varargin);
+  if nargs == 1
+      # angle of one line with horizontal
+      line = varargin{1};
+      theta = mod(atan2(line(:,4), line(:,3)) + 2*pi, 2*pi);
+      
+  elseif nargs==2
+      # angle between two lines
+      theta1 = lineAngle(varargin{1});
+      theta2 = lineAngle(varargin{2});
+      theta = mod(bsxfun(@minus, theta2, theta1)+2*pi, 2*pi);
+  end
+
+endfunction
+
+# horizontal
+%!test
+%! line1 = createLine([2 3 1 0]);
+%! assert (lineAngle(line1), 0, 1e-6);
+
+%!test
+%! line1 = createLine([2 3 0 1]);
+%! assert (lineAngle(line1), pi/2, 1e-6);
+
+%!test
+%! line1 = createLine([2 3 1 1]);
+%! assert (lineAngle(line1), pi/4, 1e-6);
+
+%!test
+%! line1 = createLine([2 3 5 -1]);
+%! assert (lineAngle(line1), mod(atan2(-1, 5)+2*pi, 2*pi), 1e-6);
+
+%!test
+%! line1 = createLine([2 3 5000 -1000]);
+%! assert (lineAngle(line1), mod(atan2(-1, 5)+2*pi, 2*pi), 1e-6);
+
+%!test
+%! line1 = createLine([2 3 -1 0]);
+%! assert (lineAngle(line1), pi, 1e-6);
+
+# test lineAngle with two parameters : angle between 2 lines
+# check for 2 orthogonal lines
+%!test
+%! line1 = createLine([1 3 1 0]);
+%! line2 = createLine([-2 -1 0 1]);
+%! assert (lineAngle(line1, line2), pi/2, 1e-6);
+%! assert (lineAngle(line2, line1), 3*pi/2, 1e-6);
+
+# check for 2 orthogonal lines, with very different parametrizations
+%!test
+%! line1 = createLine([1 3 1 1]);
+%! line2 = createLine([-2 -1 -1000 1000]);
+%! assert (lineAngle(line1, line2), pi/2, 1e-6);
+%! assert (lineAngle(line2, line1), 3*pi/2, 1e-6);