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function [tree]=sci_max(tree)
// File generated from sci_PROTO1.g: PLEASE DO NOT EDIT !
// Copyright INRIA
// M2SCI function
// Conversion function for Matlab max()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
// Emulation function: mtlb_max()
// V.C.
// C = max(A) or [C,I] = max(A)
if rhs==1 then
A = getrhs(tree)
vtype=Double
if or(A.vtype==[Boolean,Unknown]) then
vtype=Unknown // If A is a scalar then Matlab return Double type value else a Boolean type value
end
A = convert2double(A)
tree.rhs = Rhs(A)
dim = first_non_singleton(A)
tree.rhs=Rhs(A,'m')
if dim==-1 then
// All output dims are unknown
tree.lhs(1).dims=allunknown(A.dims)
//tmp=gettempvar() F.B: 9/11/2005//
//insert(Equal(list(tmp),A)) F.B: 9/11/2005//
// First non singleton dimension will be computed at execution
//tree.rhs=Rhs(tmp,Funcall("firstnonsingleton",1,list(tmp),list())) F.B: 9/11/2005//
else
tree.lhs(1).dims=A.dims
if dim==0 then
tree.rhs=Rhs(A)
tree.lhs(1).dims=list(1,1)
else
tree.lhs(1).dims(dim)=1
end
end
// C = max(A) or [C,I] = max(A)
if is_real(A) then
tree.lhs(1).type=Type(vtype,Real)
elseif is_complex(A) then
// Scilab max() does not work with complexes so mtlb_max() is called
tree.name="mtlb_max"
tree.lhs(1).type=Type(Double,Unknown)
else
// Scilab max() does not work with complexes so mtlb_max() is called but can be replaced
tree.name="mtlb_max"
tree.lhs(1).type=Type(vtype,Unknown)
end
// [C,I] = max(A)
if lhs==2 then
// All dims Unknown because if A is [] then I is also [] else I is a row vector
tree.lhs(2).dims=allunknown(A.dims)
tree.lhs(2).type=Type(Double,Real)
end
// C = max(A,B)
elseif rhs==2 then
[A,B]=getrhs(tree)
vtype=Double
if A.vtype==Boolean & B.vtype==Boolean | A.vtype==Unknown & B.vtype==Unknown then
vtype=Unknown
end
A=convert2double(A)
B=convert2double(B)
tree.rhs=Rhs(A,B)
if is_real(A) & is_real(B) then
if not_empty(A) & not_empty(B) then
tree.lhs(1).dims=A.dims
tree.lhs(1).type=Type(vtype,Real)
else
// Perhaps an input is an empty matrix
tree.name="mtlb_max"
tree.lhs(1).dims=A.dims
tree.lhs(1).type=Type(vtype,Real)
end
else
// Inputs can be complexes and/or empty matrices
tree.name="mtlb_max"
tree.lhs(1).dims=A.dims
tree.lhs(1).type=Type(vtype,Unknown)
end
// C = max(A,[],dim) or [C,I] = max(A,[],dim)
else
[A,tmp,dim]=getrhs(tree)
vtype=Double
if or(A.vtype==[Boolean,Unknown]) then
vtype=Unknown
end
A=convert2double(A)
tree.rhs=Rhs(A)
// C = max(A,[],dim) or [C,I] = max(A,[],dim)
if or(lhs==[1,2]) then
if is_real(A) then
tree.lhs(1).type=Type(Double,Real)
if typeof(dim)=="cste" then
if dim.value==1 then
tree.rhs=Rhs(A,"r")
tree.lhs(1).dims=A.dims
tree.lhs(1).dims(1)=Unknown // 0 or 1
elseif dim.value==2 then
tree.rhs=Rhs(A,"c")
tree.lhs(1).dims=A.dims
tree.lhs(1).dims(2)=Unknown // 0 or 1
elseif dim.value<=size(A.dims) then
tree.lhs(1).dims=A.dims
tree.lhs(1).dims(dim.value)=1
else
// Scilab max() does not work when dim is greater than number of dims of A
tree.name="mtlb_max"
tree.rhs=Rhs(A,tmp,dim)
tree.lhs(1).dims=A.dims
end
else
// If dim is 1 it can be replaced by 'r'
// If dim is 2 it can be replaced by 'c'
tree.name="mtlb_max"
tree.rhs=Rhs(A,tmp,dim)
tree.lhs(1).dims=allunknown(A.dims)
end
else
// A can be complex....
tree.name="mtlb_max"
tree.rhs=Rhs(A,tmp,dim)
tree.lhs(1).dims=allunknown(A.dims)
tree.lhs(1).type=Type(Double,Unknown)
end
end
// [C,I] = max(A,[],dim)
if lhs==2 then
tree.lhs(2).type=Type(Double,Real)
if is_real(A) then
if typeof(dim)=="cste" then
if dim.value<=size(A.dims) then
tree.lhs(2).dims=allunknown(A.dims)
else
tree.lhs(2).dims=A.dims
end
else
tree.lhs(2).dims=allunknown(A.dims)
end
else
tree.lhs(2).dims=allunknown(A.dims)
end
end
end
endfunction
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