1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
#include "Halide.h"
#include <stdio.h>
using namespace Halide;
int main(int argc, char **argv) {
Var x("x"), y("y"), i("i"), j("j");
Func a("a"), b("b"), c("c"), d("d");
printf("Defining function...\n");
a(i, j) = i + j;
b(i, j) = a(i, j) + 1;
c(i, j) = a(i, j) * 2;
d(x, y) = b(x, y) + c(x, y);
c.compute_at(d, y);
b.compute_at(d, y);
a.compute_at(d, y);
printf("Realizing function...\n");
Buffer<int> im = d.realize({32, 32});
for (int y = 0; y < 32; y++) {
for (int x = 0; x < 32; x++) {
int a = x + y;
int b = a + 1;
int c = a * 2;
int d = b + c;
if (im(x, y) != d) {
printf("im(%d, %d) = %d instead of %d\n", x, y, im(x, y), d);
return 1;
}
}
}
printf("Success!\n");
return 0;
}
|
