# HG changeset patch
# User rafavzqz
# Date 1426068392 0
# Node ID 560f9cfb5db9db89441106fc98b692914c168192
# Parent  1d0ab462926e6f8fed28e3522f94617ab3c11435
Consistent output in the univariate case

diff -r 1d0ab462926e -r 560f9cfb5db9 extra/nurbs/inst/nrbdeval.m
--- a/extra/nurbs/inst/nrbdeval.m	Tue Mar 10 20:58:29 2015 +0000
+++ b/extra/nurbs/inst/nrbdeval.m	Wed Mar 11 10:06:32 2015 +0000
@@ -166,14 +166,20 @@
   [cup,cuw] = nrbeval (dnurbs,tt);
   temp1 = cuw(ones(3,1),:);
   jac = (cup-temp1.*pnt)./temp;
+  if (iscell (tt))
+    jac = {jac};
+  end
 
   % second derivative
   if (nargout == 3 && exist ('dnurbs2'))
     [cuup,cuuw] = nrbeval (dnurbs2, tt);
     temp2 = cuuw(ones(3,1),:);
     hess = (cuup - (2*cup.*temp1 + cp.*temp2)./temp + 2*cp.*temp1.^2./temp.^2)./temp;
+    if (iscell (tt))
+      hess = {hess};
+    end
   end
-
+  
 end
 
 varargout{1} = pnt;
diff -r 1d0ab462926e -r 560f9cfb5db9 extra/nurbs/inst/nrbeval.m
--- a/extra/nurbs/inst/nrbeval.m	Tue Mar 10 20:58:29 2015 +0000
+++ b/extra/nurbs/inst/nrbeval.m	Wed Mar 11 10:06:32 2015 +0000
@@ -247,6 +247,10 @@
   %% NURBS structure represents a curve
   %%  tt represent a vector of parametric points in the u direction
 
+  if (iscell (tt) && numel (tt) == 1)
+    tt = cell2mat (tt);
+  end
+  
   st = size (tt);
   
   val = bspeval(nurbs.order-1,nurbs.coefs,nurbs.knots,tt(:)');