mirror of
https://github.com/greatscottgadgets/hackrf.git
synced 2026-03-10 09:18:37 +01:00
409acbc3c9
Co-authored-by: mndza <diego.hdmp@gmail.com> Co-authored-by: Martin Ling <martin-git@earth.li> Co-authored-by: Antoine van Gelder <antoine@greatscottgadgets.com>
18 lines
560 B
Python
18 lines
560 B
Python
#
|
|
# This file is part of HackRF.
|
|
#
|
|
# Copyright (c) 2025 Great Scott Gadgets <info@greatscottgadgets.com>
|
|
# SPDX-License-Identifier: BSD-3-Clause
|
|
|
|
def convergent_round(value, discarded_bits):
|
|
retained = value[discarded_bits:]
|
|
discarded = value[:discarded_bits]
|
|
msb_discarded = discarded[-1]
|
|
rest_discarded = discarded[:-1]
|
|
lsb_retained = retained[0]
|
|
# Round up:
|
|
# - If discarded > 0.5
|
|
# - If discarded == 0.5 and retained is odd
|
|
round_up = msb_discarded & (rest_discarded.any() | lsb_retained)
|
|
return retained + round_up
|