source: proiecte/pmake3d/make3d_original/Make3dSingleImageStanford_version0.1/third_party/opt/yalmip/@sdpvar/uminus.m @ 37

function Y = uminus(Y)
%UMINUS (overloaded)

% Author Johan Löfberg 
% $Id: uminus.m,v 1.4 2006/01/26 13:44:13 joloef Exp $   

if isa(Y,'blkvar')
    Y = sdpvar(Y);
end
    
switch Y.typeflag
case {0,1,2,3,4}
        Y.basis = -Y.basis;     
    %case {1,3,4}
        %error('Relational objects canot be manipulated')
case 9
    Y.extra.M = -Y.extra.M;
    Y.extra.negated = ~Y.extra.negated;
case 5
        error('Cone object cannot be negated');
otherwise
end
% Reset info about conic terms
Y.conicinfo = [0 0];