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function [tree]=sci_reshape(tree)
// Copyright INRIA
// M2SCI function
// Conversion function for Matlab reshape()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
// V.C.
// knowndims is a boolean, it's true if all the dimensions of the lhs are known else it's false
// isemptyrhs is a boolean, it's true if one (or more than one) of the lhs dimensions it's equal to 0 else it's false
knowndims=%t
isemptyrhs=%f
for k=1:rhs
if k==1 then
if tree.rhs(k).vtype==String then
tree.rhs(k)=Funcall("mstr2sci",1,list(tree.rhs(k)),list(Variable("",tree.rhs(k).infer)))
elseif tree.rhs(k).vtype==Unknown then
scitree=tree
scitree.rhs(k)=Funcall("mtlb_double",1,list(tree.rhs(k)),list(Variable("",tree.rhs(k).infer)))
repl_poss(scitree,tree,tree.rhs(k),"is not a character string matrix")
tree=scitree
end
end
if k>=2 then
for i=1:size(tree.rhs(k).dims)
if tree.rhs(k).dims(i)==-1
knowndims=%f
end
end
end
if typeof(tree.rhs(k))=="cste" then
if isempty(tree.rhs(k).value) then
isemptyrhs=%t
tree.rhs(k)=Cste(-1)
end
end
end
set_infos("WARNING: Matlab reshape() suppresses singleton higher dimension, it is not the case for matrix...",2)
tree.name="matrix"
tree.lhs(1).type=tree.rhs(1).type
if knowndims==%t
dims=list()
if size(tree.rhs)==2
dims=lhsdimsearch(tree.rhs(2))
tree.lhs(1).dims=dims
elseif size(tree.rhs)>=2
if ~isemptyrhs then
for k=2:size(tree.rhs)
dims($+1)=tree.rhs(k).value
end
tree.lhs(1).dims=dims
end
else
tree.lhs(1).dims=allunknown(tree.rhs(1).dims)
end
else
tree.lhs(1).dims=allunknown(tree.rhs(1).dims)
end
endfunction
function dims=lhsdimsearch(rhs)
// LHSDIMSEARCH function searches dimensions size of the lhs
// dims : a list which contains the size of the lhs
if typeof(rhs)=="operation" then
dims=lstcat(rhs.operands(2).value,dims)
if typeof(rhs.operands(1))=="operation" then
dims=lhsdimsearch(rhs.operands(1))
else
dims=lstcat(rhs.operands(1).value,dims)
end
end
endfunction
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