diff options
Diffstat (limited to 'pseudocode/operators/RFFT2D.tosac')
| -rw-r--r-- | pseudocode/operators/RFFT2D.tosac | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/pseudocode/operators/RFFT2D.tosac b/pseudocode/operators/RFFT2D.tosac new file mode 100644 index 0000000..f664826 --- /dev/null +++ b/pseudocode/operators/RFFT2D.tosac @@ -0,0 +1,24 @@ +// +// This confidential and proprietary software may be used only as +// authorised by a licensing agreement from ARM Limited +// (C) COPYRIGHT 2020-2024 ARM Limited +// ALL RIGHTS RESERVED +// The entire notice above must be reproduced on all authorised +// copies and copies may only be made to the extent permitted +// by a licensing agreement from ARM Limited. + +ERROR_IF(!power_of_two(H)); +ERROR_IF(!power_of_two(W)); + +for_each(0 <= n < N, 0 <= oy < H, 0 <= ox < W/2 + 1) { + in_out_t sum_real = 0.0; + 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); + sum_real += val_real * cos(a); + 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); +} |