--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/analog/functions.cpp Wed Jun 29 21:28:13 2022 +0200
@@ -0,0 +1,56 @@
+/***************************************************************************
+ * Copyright (C) 2006-2008 by Tomasz Ziobrowski *
+ * http://www.3electrons.com *
+ * e-mail: t.ziobrowski@3electrons.com *
+ * *
+ * *
+ * This program 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. *
+ * *
+ * This program 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 this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+#include "functions.h"
+
+#include <iostream>
+using namespace std;
+
+double minimalStep(double scaleSize, int steps)
+{
+ scaleSize = std::abs(scaleSize);
+ double ms = scaleSize/steps;
+ double fractions[]={5,2,1};
+ double multiply = 10;
+ double fraction = 1.0;
+ double test;
+ if (static_cast<int>(ms)<=5) multiply = 0.1 ;
+
+ while (true)
+ {
+ for (int i=0;i<3;i++)
+ {
+ //cout<<"Fractions:"<<fractions[i]<<" scaleSize:"<<scaleSize<<" steps:"<<steps<<" steps*farction:"<<steps*fractions[i]<<endl;
+ if (fractions[i]<ms)
+ {
+ fraction =fractions[i];
+ }
+
+ fractions[i]*=multiply;
+ test = steps * fractions[i];
+ if ( (test < scaleSize) && multiply< 1.0 ) return fraction;
+ if ( (test > scaleSize) && multiply> 1.0 ) return fraction;
+ }
+ }
+
+ return fraction;
+}