diff options
Diffstat (limited to 'pseudocode/operators/RFFT2D.tosac')
| -rw-r--r-- | pseudocode/operators/RFFT2D.tosac | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/pseudocode/operators/RFFT2D.tosac b/pseudocode/operators/RFFT2D.tosac index f664826..c4dfab2 100644 --- a/pseudocode/operators/RFFT2D.tosac +++ b/pseudocode/operators/RFFT2D.tosac @@ -15,9 +15,13 @@ for_each(0 <= n < N, 0 <= oy < H, 0 <= ox < W/2 + 1) { in_out_t sum_imag = 0.0; for_each(0 <= iy < H, 0 <= ix < W) { in_out_t val_real = tensor_read<in_out_t>(input_real, [N,H,W], [n,iy,ix]); - float_t a = 2 * pi() * ((iy * oy) / H + (ix * ox) / W); + int32_t ay = (static_cast<size_t>(iy) * static_cast<size_t>(oy)) % static_cast<int32_t>(H); + int32_t ax = (static_cast<size_t>(ix) * static_cast<size_t>(ox)) % static_cast<int32_t>(W); + in_out_t a = sign_val * 2 * pi() * (static_cast<in_out_t>(ay) / H + static_cast<in_out_t>(ax) / W); sum_real += val_real * cos(a); - sum_imag += -val_real * sin(a); + if ((ay % (H/2)) + (ax % (W/2)) > 0) { + sum_imag += -val_real * sin(a); + } } tensor_write<in_out_t>(output_real, [N,H,W], [n,oy,ox], sum_real); tensor_write<in_out_t>(output_imag, [N,H,W], [n,oy,ox], sum_imag); |