From cf2ed48d21ddbc32bda262064480e88e69dc031a Mon Sep 17 00:00:00 2001 From: Carl Hetherington Date: Mon, 4 Apr 2022 22:37:31 +0200 Subject: Cleanup: move some methods from util to maths_util. --- src/lib/maths_util.cc | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/lib/maths_util.cc (limited to 'src/lib/maths_util.cc') diff --git a/src/lib/maths_util.cc b/src/lib/maths_util.cc new file mode 100644 index 000000000..35e3879c4 --- /dev/null +++ b/src/lib/maths_util.cc @@ -0,0 +1,37 @@ +/* + Copyright (C) 2012-2021 Carl Hetherington + + This file is part of DCP-o-matic. + + DCP-o-matic is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + DCP-o-matic is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with DCP-o-matic. If not, see . + +*/ + + +#include + + +double +db_to_linear (double db) +{ + return pow(10, db / 20); +} + + +double +linear_to_db (double linear) +{ + return 20 * log10(linear); +} + -- cgit v1.2.3