Fix GTK warning.

Removed a warning which apeared when the application started.

.gitignore

 build
+.vscode
\ No newline at end of file

src/Particle.cpp

@@ -17,13 +17,13 @@ const Complex Ci(0.0, 1.0);
 
 void Particle::initImpulse()
 {
-    for (unsigned long iy = 0; iy < ny; iy++)
+    for (unsigned iy = 0; iy < ny; iy++)
     {
         double y = yAt(iy);
-        for (unsigned long ix = 0; ix < nx; ix++)
+        for (unsigned ix = 0; ix < nx; ix++)
         {
             double x = xAt(ix);
-            int index = nx * iy + ix;
+            unsigned index = nx * iy + ix;
             m_psi[index] = A0 * exp(Ci / hbar * (x * k_px0 + y * k_py0) - lambda * (square(x - k_x0) + square(y - k_y0)));
         }
     }
@@ -54,15 +54,15 @@ Particle::~Particle()
 void Particle::propagate()
 { 
 #pragma omp parallel for
-    for (unsigned long iy = 0; iy < ny; iy++)
+    for (unsigned iy = 0; iy < ny; iy++)
     {
         double y = yAt(iy);
-        for (unsigned long ix = 0; ix < nx; ix++)
+        for (unsigned ix = 0; ix < nx; ix++)
         {
             constexpr double l = 0.001; //lambda
             double x = xAt(ix);
             double E = square(y)  * l;
-            int index = nx * iy + ix;
+            unsigned index = nx * iy + ix;
             m_psi[index] *= exp(-Ci * dt / hbar * E);
         }
     }
@@ -70,10 +70,10 @@ void Particle::propagate()
     fftw_execute (m_planForward); // transform into impulse repr.
     
 #pragma omp parallel for
-    for (unsigned long iy = 0; iy < ny; iy++)
+    for (unsigned iy = 0; iy < ny; iy++)
     {
         double py = pyAt(iy);
-        for (unsigned long ix = 0; ix < nx; ix++)
+        for (unsigned ix = 0; ix < nx; ix++)
         {
             double px = pxAt(ix);
             double E = (square(px) + square(py)) / (2.0 * m);
@@ -94,8 +94,8 @@ void Particle::updateImpulseImage()
     std::array<Complex, valuesInArray> array;
     unsigned px = 0;
     unsigned py = 0;
-    unsigned long impulse_index = 0;
-    unsigned long array_index = 0;
+    unsigned impulse_index = 0;
+    unsigned array_index = 0;
     #pragma omp parallel for
     for  (unsigned y = 0; y < ny; y++)
     {
@@ -129,9 +129,9 @@ void Particle::updateImpulseImage()
 void Particle::updateLocalImage()
 {
     std::array<Complex, valuesInArray> array;
-    for (unsigned long y = 0; y < ny; y++)
+    for (unsigned y = 0; y < ny; y++)
     {
-        for (unsigned long x = 0; x < nx; x++)
+        for (unsigned x = 0; x < nx; x++)
         {
             int index = y * nx + x;
             array[index] = m_psi[index];

src/main.cpp

@@ -46,7 +46,7 @@ void render(ArrayCanvas &ac)
 int main(int argc, char* argv[])
 {
     // App and window
-    auto app = Gtk::Application::create(argc, argv, "An exmaple");
+    auto app = Gtk::Application::create(argc, argv, "cvh.qpong");
     Gtk::Window window;
     window.set_default_size(1024, 512);