time   calls  line
                  1 function y = linspace(d1, d2, n)
                  2 %LINSPACE Linearly spaced vector.
                  3 %   LINSPACE(X1, X2) generates a row vector of 100 linearly
                  4 %   equally spaced points between X1 and X2.
                  5 %
                  6 %   LINSPACE(X1, X2, N) generates N points between X1 and X2.
                  7 %   For N < 2, LINSPACE returns X2.
                  8 %
                  9 %   Class support for inputs X1,X2:
                 10 %      float: double, single
                 11 %
                 12 %   See also LOGSPACE, COLON.
                 13 
                 14 %   Copyright 1984-2010 The MathWorks, Inc. a
                 15 %   $Revision: 5.12.4.4 $  $Date: 2010/11/22 02:46:00 $
                 16 
           150   17 if nargin == 2 
                 18     n = 100;
                 19 end
           150   20 n = double(n); 
           150   21 n1 = floor(n)-1; 
  0.20     150   22 vec = 0:n-2; 
           150   23 d2md1 = d2 - d1; 
                 24 
           150   25 if n < 1 
                 26     y = zeros(1, 0, superiorfloat(d1, d2));
  0.01     150   27 elseif isinf(d2md1.*(n-2)) 
                 28     y = [d1 + (d2/n1).*vec - (d1/n1).*vec, d2]; % overflow for d1 < 0 and d2 > 0
           150   29 else 
  1.40     150   30     y = [d1 + vec.*d2md1/n1, d2]; 
  0.01     150   31 end