--- /dev/null
+function rad = deg2rad(deg)
+
+% DEG2RAD: Convert degrees to radians.
+%
+% Calling Sequence:
+%
+% rad = deg2rad(deg);
+%
+% INPUT:
+%
+% deg : Angle in degrees.
+%
+% OUTPUT:
+%
+% rad : Angle in radians.
+%
+% Description:
+%
+% Convenient utility function for converting degrees to radians, which are
+% often the required angular units for functions in the NURBS toolbox.
+%
+% Examples:
+%
+% // Convert 35 degrees to radians
+% rad = deg2rad(35);
+%
+% Copyright (C) 2000 Mark Spink
+%
+% This program is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 2 of the License, or
+% (at your option) any later version.
+
+% This program is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+rad = pi*deg/180.0;
+
+end
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