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function [tree]=sci_cell(tree)
// Copyright INRIA
// M2SCI function
// Conversion function for Matlab cell()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
// V.C.
if rhs==0 then
tree.lhs(1).dims=list(0,0)
tree.lhs(1).type=Type(Cell,Unknown)
return
end
// cell(n)
if rhs==1 then
n = getrhs(tree)
if is_complex(n) then
n=Funcall("real",1,list(n),list(Variable("",n.infer)))
elseif ~is_real(n) then
newn=Funcall("real",1,list(n),list(Variable("",n.infer)))
repl_poss(newn,n,n,"is Real");
n=newn
end
if is_a_scalar(n) then
if typeof(n)=="cste" then
dim=n.value
else
dim=Unknown
end
tree.lhs(1).dims=list(dim,dim)
tree.lhs(1).type=Type(Cell,Unknown)
// cell([n1,n2,...])
elseif not_a_scalar(n)
// All dimensions are unknown because we can not compute them here...
tree.lhs(1).dims=list()
for k=1:size(tree.rhs)
tree.lhs(1).dims(k)=Unknown
end
tree.lhs(1).type=Type(Cell,Unknown)
// cell(n) or cell([n1,n2,...]) ?
else
tree.lhs(1).dims=list(Unknown,Unknown)
tree.lhs(1).type=Type(Cell,Unknown)
end
// cell(n1,n2,..)
else
for k=1:size(tree.rhs)
if is_complex(tree.rhs(k)) then
tree.rhs(k)=Funcall("real",1,list(tree.rhs(k)),list())
elseif ~is_real(tree.rhs(k)) then
newn=Funcall("real",1,list(tree.rhs(k)),list())
repl_poss(newn,tree.rhs(k),tree.rhs(k),"is Real");
tree.rhs(k)=newn
end
end
// If one input is a Cste, we can infer corresponding dimension...
tree.lhs(1).dims=list()
for k=1:size(tree.rhs)
if typeof(tree.rhs(k))=="cste" then
tree.lhs(1).dims($+1)=tree.rhs(k).value
else
tree.lhs(1).dims($+1)=Unknown
end
end
tree.lhs(1).type=Type(Cell,Unknown)
end
endfunction
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