% Set output object signal and variance fields from input sigvar object
%
%   >> w = sigvar_set(w,sigvarobj)
%%   Overloaded methods:
%      sqw/sigvar_set
%      testsigvar/sigvar_set
%      sigvar/sigvar_set
%      IX_dataset_3d/sigvar_set
%      IX_dataset_2d/sigvar_set
%      IX_dataset_1d/sigvar_set
%      sqw/sigvar_set
%      sigvar/sigvar_set
%      d4d/sigvar_set
%      d3d/sigvar_set
%      d2d/sigvar_set
%      d1d/sigvar_set
%      d0d/sigvar_set
%