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#include "Halide.h"
#include <stdio.h>
using namespace Halide;
using namespace Halide::Internal;
int main(int argc, char **argv) {
{
Var x("x"), y("y");
Func f("f");
f(x, y) = Tuple(x + y, undef<int32_t>());
f(x, y)[0] += 3;
f(x, y)[1] = x;
f(x, y)[0] -= 1;
f(x, y)[1] *= 4;
f(x, y)[1] /= 2;
Realization result = f.realize({1024, 1024});
Buffer<int> a = result[0], b = result[1];
for (int y = 0; y < a.height(); y++) {
for (int x = 0; x < a.width(); x++) {
int correct_a = x + y + 2;
int correct_b = x * 2;
if (a(x, y) != correct_a || b(x, y) != correct_b) {
printf("result(%d, %d) = (%d, %d) instead of (%d, %d)\n",
x, y, a(x, y), b(x, y), correct_a, correct_b);
return 1;
}
}
}
}
{
Var x("x"), y("y");
Func f("f");
f(x, y) = Tuple(x, y);
f(x, y)[1] += select(x < 20, 20 * x, undef<int>());
Realization result = f.realize({1024, 1024});
Buffer<int> a = result[0], b = result[1];
for (int y = 0; y < a.height(); y++) {
for (int x = 0; x < a.width(); x++) {
int correct_a = x;
int correct_b = (x < 20) ? 20 * x + y : y;
if (a(x, y) != correct_a || b(x, y) != correct_b) {
printf("result(%d, %d) = (%d, %d) instead of (%d, %d)\n",
x, y, a(x, y), b(x, y), correct_a, correct_b);
return 1;
}
}
}
}
printf("Success!\n");
return 0;
}
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