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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 x = sqrtm(a)
// sqrtm - computes the matrix square root.
//%CALLING SEQUENCE
// x=sqrtm(a)
//%PARAMETERS
// a : square hermitian or diagonalizable matrix
// x : square matrix
//!
rhs = argn(2);
if rhs <> 1 then
error(msprintf(_("%s: Wrong number of input argument(s): %d expected.\n"),"sqrtm", 1));
end
if type(a) <> 1 then
error(msprintf(_("%s: Wrong type for input argument #%d: A real or complex matrix expected.\n"),"sqrtm", 1));
end
if ~issquare(a) then
error(msprintf(_("%s: Wrong size for input argument #%d: A square matrix expected.\n"),"sqrtm", 1));
end
x = %s_pow(a, 0.5);
endfunction
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