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livetrax/gtk2_ardour/curvetest.cc
Hans Fugal 7ff370e798 Merging from trunk
git-svn-id: svn://localhost/ardour2/branches/undo@638 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-06-22 23:40:55 +00:00

53 lines
722 B
C++

#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;
}