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C++

/**
* \file lib/generic/modulation/Crc_test.cpp
* \version 1.0
*
* \section COPYRIGHT
*
* Copyright 2012-2013 The Iris Project Developers. See the
* COPYRIGHT file at the top-level directory of this distribution
* and at http://www.softwareradiosystems.com/iris/copyright.html.
*
* \section LICENSE
*
* This file is part of the Iris Project.
*
* Iris is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* Iris 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 Lesser General Public License for more details.
*
* A copy of the GNU Lesser General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
* \section DESCRIPTION
*
* Main test file for Waterfallplot class.
*/
#include "Waterfallplot.h"
#include <math.h>
#include <pthread.h>
#include <unistd.h>
#include <stdio.h>
#include <qapplication.h>
#include <cstdlib>
#include <vector>
#define PI 3.14159265358979323846
using namespace std;
void *threadMain1(void *arg) {
int n = 2048;
Waterfallplot plot(n, n);
plot.setTitle("Float");
float step = 1.0 * PI / n;
float* data = new float[n * 2];
for (int i = 0; i < n * 2; i++)
data[i] = sinf(step * i);
for (int i = 0; i < n; i++) {
plot.appendNewData(data + i, n);
usleep(1000);
}
return NULL;
}
void *threadMain2(void *arg) {
int n = 2048;
Waterfallplot plot(n, n);
plot.setTitle("Double");
double step = 2.0 * PI / n;
double* data = new double[n * 2];
for (int i = 0; i < n * 2; i++)
data[i] = sin(step * i);
for (int i = 0; i < n; i++) {
plot.appendNewData(data + i, n);
usleep(1000);
}
return NULL;
}
void *threadMain3(void *arg) {
int n = 2048;
Waterfallplot plot(n, n);
plot.setTitle("FloatVec");
double step = 2.0 * PI / n;
std::vector<float> data;
data.resize(n * 2);
for (int i = 0; i < n * 2; i++)
data[i] = sin(step * i);
for (int i = 0; i < n; i++) {
plot.appendNewData(data.begin() + i, data.begin() + i + n);
usleep(1000);
}
return NULL;
}
int main(int argc, char *argv[]) {
int argc2 = 1;
char* argv2[] = { const_cast<char *>("Waterfallplot_Init_Test"), NULL };
QApplication a(argc2, argv2);
pthread_t threads[3];
int i;
if (pthread_create(&threads[0], NULL, threadMain1, NULL)) {
perror("pthread_create");
exit(-1);
}
if (pthread_create(&threads[1], NULL, threadMain2, NULL)) {
perror("pthread_create");
exit(-1);
}
if (pthread_create(&threads[2], NULL, threadMain3, NULL)) {
perror("pthread_create");
exit(-1);
}
qApp->exec();
for (i = 0; i < 3; i++) {
pthread_join(threads[i], NULL);
}
exit(0);
}