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
|
#include "Halide.h"
#include "daubechies_constants.h"
namespace {
Halide::Var x("x"), y("y"), c("c");
class inverse_haar_x : public Halide::Generator<inverse_haar_x> {
public:
Input<Buffer<float, 3>> in_{"in"};
Output<Buffer<float, 2>> out_{"out"};
void generate() {
Func in = Halide::BoundaryConditions::repeat_edge(in_);
out_(x, y) = select(x % 2 == 0,
in(x / 2, y, 0) + in(x / 2, y, 1),
in(x / 2, y, 0) - in(x / 2, y, 1));
out_.unroll(x, 2);
}
};
} // namespace
HALIDE_REGISTER_GENERATOR(inverse_haar_x, inverse_haar_x)
|
