math/octave-forge-nurbs/files/patch-tbasisfun.cc


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--- tbasisfun.cc.orig	2021-02-21 22:37:09 UTC
+++ tbasisfun.cc
@@ -156,7 +156,7 @@ TBASISFUN: Compute a B- or T-Spline basis function, an
   RowVector N(u.cols ());
   double *Nptr = N.fortran_vec ();
 
-  if (! args(2).is_cell ())
+  if (! args(2).iscell ())
     {
 
       double p = args(1).idx_type_value ();