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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
//
// 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=logspace(d1, d2, n)
// Logarithmically spaced vector.
// logspace(d1, d2) generates a row vector of n logarithmically
// equally spaced points between 10^d1 and 10^d2. If d2=%pi
// then the points are between 10^d1 and pi.
// logspace(d1, d2, n) generates n points.
rhs = argn(2);
if rhs < 2 then
error(msprintf(gettext("%s: Wrong number of input argument(s): %d expected.\n"),"logspace", 2));
end
if size(d1,2)<>1 then
error(msprintf(gettext("%s: Wrong size for input argument #%d: A column vector expected.\n"),"logspace",1));
end
if ~and(size(d1) == size(d2)) then
error(msprintf(gettext("%s: Incompatible input arguments #%d and #%d: Same sizes expected.\n"),"logspace",1,2));
end
if rhs == 2 then
n = 50;
else
if type(n)<>1|size(n,"*")<>1 then
error(msprintf(gettext("%s: Wrong type for input argument #%d: An integer value expected.\n"),"logspace",3));
end
if int(n) <> n then
warning(msprintf("%s: Using a non integer value for input argument #%d is deprecated and will produce an error in version 5.4.1.\n","logspace",3));
end
end
if d2==%pi then
d2 = log10(%pi);
end
y=10^( d1*ones(1,n) + [(d2-d1)*(0:n-2)/(floor(n)-1),d2-d1]);
endfunction
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