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function [tree]=sci_horzcat(tree)
// Copyright INRIA
// M2SCI function
// Conversion function for Matlab horzcat()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
// V.C.
allargs=tree.rhs
out=tree.lhs
op="rc"
for k=1:lstsize(allargs)
if allargs(k).vtype==String then
op="+"
break
end
end
tree=Operation(op,list(allargs(1),allargs(2)),list())
// Create output
for k=3:rhs
tree=Operation(op,list(tree,allargs(k)),list())
end
tree.out=out
// Dimensions
outdims=allargs(1).dims
for k=1:lstsize(outdims)
outdims(k)=Unknown
end
for k=1:rhs
for l=1:lstsize(allargs(k).dims)
if l<>2 & allargs(k).dims(l)<>Unknown then
outdims(l)=allargs(k).dims(l)
end
end
end
nbcols=0
for k=1:rhs
if allargs(k).dims(2)<>Unknown then
nbcols=nbcols+allargs(k).dims(2)
else
nbcols=Unknown
break
end
end
outdims(2)=nbcols
// Property
prop=Real
for k=1:rhs
if allargs(k).property==Complex then
prop=Complex
break
elseif allargs(k).property==Unknown then
prop=Unknown
break
end
end
tree.out(1).dims=outdims
tree.out(1).type=Type(allargs(1).vtype,prop)
endfunction
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