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The WhileLoop s or ForLoop s generated by CreateLoop can be transformed back into a Maple procedure using GenerateProcedure.

The returned procedure may not be the same as the original procedure processed using CreateLoop . Statements that do not affect the loop variables are removed and the loops are put into a canonical form.

$\mathrm{with}\left(\mathrm{CodeTools}\left[\mathrm{ProgramAnalysis}\right]\right)\:$

p := proc (A, n)
local i;
for i from 1 to n do
A[i] := A[+1]^2:
end do:
end proc;

$p≔\mathbf{proc}\left(A\,n\right)\mathbf{local}i\;\mathbf{for}i\mathbf{to}n\mathbf{do}A\[i\]≔A\[1\]\^2\mathbf{end\; do}\mathbf{end\; proc}$

$\mathrm{loop}≔\mathrm{CreateLoop}\left(p\right)$

$\mathrm{loop}≔\mathrm{Record}\left(\mathrm{ForLoop}\,\mathrm{body}=\left[\left[\left[\right]\,\left[A_i=A_1^2\right]\right]\right]\,\mathrm{layers}=\left[\left[i\,1\,1\,n\right]\right]\,\mathrm{initialization}=\left[\right]\,\mathrm{variables}=\left[i\right]\,\mathrm{parameters}=\left[n\right]\,\mathrm{arrays}=\left[A\right]\right)$

$\mathrm{GenerateProcedure}\left(\mathrm{loop}\right)$

$\mathbf{proc}\left(A\,n\right)\mathbf{local}i\;\mathbf{for}i\mathbf{to}n\mathbf{do}A\[i\]≔A\[1\]\^2\mathbf{end\; do}\;\mathbf{return}\mathbf{end\; proc}$

The CodeTools[ProgramAnalysis][GenerateProcedure] command was introduced in Maple 2016.

For more information on Maple 2016 changes, see Updates in Maple 2016 .