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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2010 - INRIA - Serge Steer
//
// 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=%hm_and(m,d)
if argn(2)==1|d=="*" then
x=and(m.entries);
return
end
dims=m.dims;
if d=="m" then
d=find(dims>1,1)
if d==[] then
x=and(m.entries);
return
end
end
if type(dims)==8 then
flag=1;
dims=double(dims);
else
flag=0;
end
N=size(dims,"*");
p1=prod(dims(1:d-1));// step to build one vector on which and is applied
p2=p1*dims(d);//step for beginning of next vectors
ind=(0:p1:p2-1)';// selection for building one vector
deb=(1:p1);
I=ind*ones(deb)+ones(ind)*deb
ind=(0:p2:prod(dims)-1);
I=ones(ind).*.I+ind.*.ones(I)
x=and(matrix(m.entries(I),dims(d),-1),1);
dims(d)=1
while dims($)==1 then
dims($)=[];
end
if d==N then
dims=dims(1:$);
else
dims(d)=1;
end
if size(dims,"*")==2 then
x=matrix(x,dims(1),dims(2));
elseif dims<>[] then
if flag==1 then
dims=int32(dims);
end
x=hypermat(dims,x);
end
endfunction
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