matlab_class/%40gcmfaces/subsasgn.m

function a = subsasgn(a,index,val)
%overloaded gcmfaces subsasgn function : subscripted assignment according to
%  beta{n}     will return the n^{th} face data (array).
%  beta(:,:,n) will return the n^{th} vertical level (gcmfaces).
%  beta.nFaces will return the nFaces attribute (double).

switch index(1).type
case '{}'
   if length(index)>1;
      aa=subsref(a,index(1)); val=subsasgn(aa,index(2:end),val);
   end;

   nFaces=get(a,'nFaces');
   iFace=index(1).subs{:};
   if iFace<=nFaces&iFace>0;
      eval(['a.f' num2str(iFace) '=val;']);
   else
      error('Index out of range')
   end
case '.'
   if length(index)>1;
      aa=subsref(a,index(1)); val=subsasgn(aa,index(2:end),val);
   end;

   a=set(a,index(1).subs,val);
case '()'
   if length(index)>1; error('indexing not supported by gcmfaces objects'); end;   

   for iFace=1:a.nFaces; iF=num2str(iFace);
      if isa(index.subs{1},'gcmfaces');
         if isa(val,'gcmfaces');
            eval(['a.f' iF '(index.subs{1}.f' iF ')=val.f' iF ';']);
         else;
            eval(['a.f' iF '(index.subs{1}.f' iF ')=val;']);
         end;
      else;
         if isa(val,'gcmfaces');
            eval(['a.f' iF '=subsasgn(a.f' iF ',index,val.f' iF ');']);
         else;
            eval(['a.f' iF '=subsasgn(a.f' iF ',index,val);']);
         end;
      end;
   end;
otherwise
   error('indexing not supported by gcmfaces objects')
end

%if length(index)>1; b=subsref(b,index(2:end)); end;

1	function a = subsasgn(a,index,val)
2	%overloaded gcmfaces subsasgn function : subscripted assignment according to
3	% beta{n} will return the n^{th} face data (array).
4	% beta(:,:,n) will return the n^{th} vertical level (gcmfaces).
5	% beta.nFaces will return the nFaces attribute (double).
6
7	switch index(1).type
8	case '{}'
9	if length(index)>1;
10	aa=subsref(a,index(1)); val=subsasgn(aa,index(2:end),val);
11	end;
12
13	nFaces=get(a,'nFaces');
14	iFace=index(1).subs{:};
15	if iFace<=nFaces&iFace>0;
16	eval(['a.f' num2str(iFace) '=val;']);
17	else
18	error('Index out of range')
19	end
20	case '.'
21	if length(index)>1;
22	aa=subsref(a,index(1)); val=subsasgn(aa,index(2:end),val);
23	end;
24
25	a=set(a,index(1).subs,val);
26	case '()'
27	if length(index)>1; error('indexing not supported by gcmfaces objects'); end;
28
29	for iFace=1:a.nFaces; iF=num2str(iFace);
30	if isa(index.subs{1},'gcmfaces');
31	if isa(val,'gcmfaces');
32	eval(['a.f' iF '(index.subs{1}.f' iF ')=val.f' iF ';']);
33	else;
34	eval(['a.f' iF '(index.subs{1}.f' iF ')=val;']);
35	end;
36	else;
37	if isa(val,'gcmfaces');
38	eval(['a.f' iF '=subsasgn(a.f' iF ',index,val.f' iF ');']);
39	else;
40	eval(['a.f' iF '=subsasgn(a.f' iF ',index,val);']);
41	end;
42	end;
43	end;
44	otherwise
45	error('indexing not supported by gcmfaces objects')
46	end
47
48	%if length(index)>1; b=subsref(b,index(2:end)); end;
49