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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA, Serge Steer
// Copyright (C) - 2010 - DIGITEO - Michael Baudin
// 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 = acosd(x)
//acosd Inverse cosine, result in degrees.
rhs = argn(2);
if rhs <> 1 then
error(msprintf(gettext("%s: Wrong number of input argument(s): %d expected.\n"),"acosd", 1));
end
if type(x) <> 1 | ~isreal(x) then
error(msprintf(gettext("%s: Wrong type for input argument #%d: Real matrix expected.\n"),"acosd",1));
end
if min(x)<-1|max(x)>1 then
error(msprintf(gettext("%s: Wrong value for input argument #%d: Must be in the interval [%s, %s].\n"),"acosd",1,"-1","1"));
end
y = 180/%pi*acos(x);
endfunction
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