[Mlir-commits] [mlir] [MLIR][Presburger][WIP] Implement vertex enumeration and chamber decomposition for polytope generating function computation. (PR #78987)

[Arjun P]

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@@ -84,6 +85,17 @@ ConeH getDual(ConeV cone);
 GeneratingFunction unimodularConeGeneratingFunction(ParamPoint vertex, int sign,
                                                     ConeH cone);
 
+/// Find the solution of a set of equations that express affine constraints
+/// between a set of variables and a set of parameters. The solution expresses
+/// each variable as an affine function of the parameters.
+/// If there is no solution, return std::null.
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Superty wrote:

return null. there is no std::null (there is std::nullopt but I prefer to call it returning null)

https://github.com/llvm/llvm-project/pull/78987