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#include "Halide.h"
#include <iostream>
using namespace Halide;
// From https://github.com/halide/Halide/issues/7871
int main() {
Func input("input");
Func local_sum("local_sum");
Func blurry("blurry");
Var x("x"), y("y");
RVar yryf;
input(x, y) = 2 * x + 5 * y;
RDom r(-2, 5, -2, 5, "rdom_r");
local_sum(x, y) = 0;
local_sum(x, y) += input(x + r.x, y + r.y);
blurry(x, y) = cast<int32_t>(local_sum(x, y) / 25);
// Should throw an error because we're trying to fuse a vectorized Var with
// an impure RVar.
local_sum.update(0).vectorize(y).fuse(y, r.y, yryf);
printf("Success!\n");
return 0;
}
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