1 /* B.Oops 2 * Glitch effect sequencer LV2 plugin 3 * 4 * Copyright (C) 2020 by Sven Jähnichen 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 3, or (at your option) 9 * any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software Foundation, 18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 */ 20 21 #ifndef LIMIT_HPP_ 22 #define LIMIT_HPP_ 23 24 #include <cmath> 25 26 struct Limit 27 { 28 float min; 29 float max; 30 float step; 31 validateLimit32 float validate (float value) const 33 { 34 if (max <= min) return min; 35 if (value <= min) return min; 36 if (value >= max) return max; 37 if (step == 0) return value; 38 float newValue = (step > 0 ? min + round ((value - min) / step) * step : max - round ((max - value) / step) * step); 39 return (newValue >= min ? (newValue <= max ? newValue : max) : min); 40 } 41 }; 42 43 #endif /* LIMIT_HPP_ */ 44