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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2004-2006 - INRIA - Farid BELAHCENE
//
// 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-en.txt
function [tree]=sci_fft2(tree)
// M2SCI function
// Conversion function for Matlab fft2()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
// Y = fft2(X)
if rhs == 1 then
X = getrhs(tree)
// %c_fft2 and %b_fft2 are not defined
X = convert2double(X)
tree.rhs=Rhs_tlist(X)
tree.lhs(1).dims=X.dims
tree.lhs(1).type=Type(Double,Unknown)
// Y = fft2(X,m,n)
elseif rhs == 3 then
[X,m,n] = getrhs(tree)
X = convert2double(X)
m = convert2double(m)
n = convert2double(n)
tree.rhs=Rhs_tlist(X,m,n)
tree.lhs(1).type=Type(Double,Unknown)
for i=1:size(X.dims)
if X.dims(i)==-1 then
tree.lhs(1).dims=allunknown(X.dims)
return
end
end
if tree.rhs(2).dims(1) <> -1 & tree.rhs(3).dims(1) <> -1
tree.lhs(1).dims=list(m.value,n.value)
else
tree.lhs(1).dims=allunknown(X.dims)
return
end
// case x hypermatrix
for i=3:size(X.dims)
tree.lhs(1).dims($+1)=X.dims(i)
end
end
endfunction
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