aboutsummaryrefslogtreecommitdiff
path: root/pseudocode/operators/tables/ERF.tosac
blob: 0ff29ff1f11529ef4e781b2073e77de45e7934b3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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 erf_reference(int16_t x) { // input x range is -256 to + 256 inclusive
    F64 v = (double)x / (double)64;
    v = erf(v);
    return round_to_nearest_int(32768.0 * v);
}

generate_lookup_table(&erf_table, &erf_reference);