1//============================================================================
2//
3// SSSS tt lll lll
4// SS SS tt ll ll
5// SS tttttt eeee ll ll aaaa
6// SSSS tt ee ee ll ll aa
7// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
8// SS SS tt ee ll ll aa aa
9// SSSS ttt eeeee llll llll aaaaa
10//
11// Copyright (c) 1995-2019 by Bradford W. Mott, Stephen Anthony
12// and the Stella Team
13//
14// See the file "License.txt" for information on usage and redistribution of
15// this file, and for a DISCLAIMER OF ALL WARRANTIES.
16//============================================================================
17
18#ifndef HIGH_PASS_HXX
19#define HIGH_PASS_HXX
20
21class HighPass
22{
23 public:
24
25 HighPass(float cutOffFrequency, float frequency);
26
27 float apply(float value);
28
29 private:
30
31 float myLastValueIn;
32
33 float myLastValueOut;
34
35 float myAlpha;
36
37 private:
38
39 HighPass() = delete;
40};
41
42#endif // HIGH_PASS_HXX
43