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curvetest.cc

/*
    Copyright (C) 2000-2007 Paul Davis 

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include <iostream>
#include <fstream>
#include <cfloat>
#include <unistd.h>

#include <ardour/curve.h>

using namespace std;
using namespace ARDOUR;
using namespace PBD;

int
curvetest (string filename)
{
      ifstream in (filename.c_str());
      stringstream line;
      Curve c (-1.0, +1.0, 0, true);
      double minx = DBL_MAX;
      double maxx = DBL_MIN;

      while (in) {
            double x, y;

            in >> x;
            in >> y;
            
            if (!in) {
                  break;
            }

            if (x < minx) {
                  minx = x;
            }
            
            if (x > maxx) {
                  maxx = x;
            }
            
            c.add (x, y);
      }


      float foo[1024];

      c.get_vector (minx, maxx, foo, 1024);
      
      for (int i = 0; i < 1024; ++i) {
              cout << minx + (((double) i / 1024.0) * (maxx - minx)) << ' ' << foo[i] << endl;
      }
      
      return 0;
}

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