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#include "Halide.h"
using namespace Halide;
template<typename T>
bool test(Func f, T f_expected, int width) {
Buffer<uint32_t> actual = f.realize({width});
for (int i = 0; i < actual.width(); i++) {
if (actual(i) != f_expected(i)) {
printf("r(%d) = %d, f_expected(%d) = %d\n",
i, actual(i), i, f_expected(i));
return false;
}
}
return true;
}
int main(int argc, char **argv) {
Buffer<uint32_t> step(31);
for (int i = 0; i < step.width(); i++) {
step(i) = -i;
}
bool success = true;
Var x;
{
Func f;
f(x) = Expr(-1U) << -step(x);
auto f_expected = [&](int x) {
return -1U << x;
};
success &= test(f, f_expected, step.width());
}
{
Func f;
f(x) = Expr(-1U) >> -step(x);
auto f_expected = [&](int x) {
return -1U >> x;
};
success &= test(f, f_expected, step.width());
}
if (success) printf("Success!\n");
return success ? 0 : -1;
}
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