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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
// Copyright (C) DIGITEO - 2011 - Allan CORNET
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
function y = linspace(d1, d2, n)
// Linearly spaced vector.
// linspace(x1, x2) generates a row vector of 100 linearly
// equally spaced points between x1 and x2.
// linspace(x1, x2, n) generates n points between x1 and x2.
rhs = argn(2);
if rhs < 2 then
error(msprintf(gettext("%s: Wrong number of input argument(s): %d expected.\n"),"linspace", 2));
end
if size(d1,2)<>1 then
error(msprintf(gettext("%s: Wrong size for input argument #%d: A column vector expected.\n"),"linspace",1));
end
if ~and(size(d1) == size(d2)) then
error(msprintf(gettext("%s: Incompatible input arguments #%d and #%d: Same sizes expected.\n"),"linspace",1,2));
end
if rhs == 2 then
n = 100;
else
if and(type(n)<>[1 8]) | size(n,"*")<>1 then
error(msprintf(gettext("%s: Wrong type for input argument #%d: An integer value expected.\n"),"linspace",3));
end
if type(n) == 1 & int(n) <> n then
error(msprintf(gettext("%s: Wrong value for input argument #%d: An integer value expected.\n"),"linspace",3));
elseif type(n) == 8 then
n = double(n); // Convert for the operations to come
end
end
if (n - 1) <= 0 then
y = d2;
else
y = ((d2-d1) * (0:n-1)) / (n-1) + d1 * ones(1,n);
// forces the last value to be in the interval
y(:,$) = d2;
end
endfunction
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