diff options
Diffstat (limited to 'pseudocode/operators/tables/SIGMOID.tosac')
-rw-r--r-- | pseudocode/operators/tables/SIGMOID.tosac | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/pseudocode/operators/tables/SIGMOID.tosac b/pseudocode/operators/tables/SIGMOID.tosac new file mode 100644 index 0000000..dad1e1d --- /dev/null +++ b/pseudocode/operators/tables/SIGMOID.tosac @@ -0,0 +1,16 @@ +// +// 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. + +int16_t sigmoid_reference(int16_t x) { // input x range is -256 to + 256 inclusive + fp64_t v = (fp64_t)x / (fp64_t)16; + v = 1.0/(1.0 + exp(-v)); + return round_to_nearest_int(32768.0 * v); +} + +generate_lookup_table(&sigmoid_table, &sigmoid_reference); |