예제 #1
0
void CQLayoutView::slotResetZoom()
{
  setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
  resetMatrix();
  ensureVisible(scene()->itemsBoundingRect());
  update();
}
예제 #2
0
파일: View.cpp 프로젝트: ct2034/robotino
View::View( QWidget* parent )
: QGraphicsView( parent )
{
	resetMatrix();
	setTransformationAnchor( NoAnchor );
	setResizeAnchor( NoAnchor );
}
예제 #3
0
void MapView::wheelEvent(QWheelEvent* event)
{
    // Get the number of steps of the wheel
    int numDegrees = event->delta() / 8;
    int numSteps = numDegrees / 15;

    // Do nothing if the user is trying to zoom past the limits
    if((m_currentZoom <= m_minZoom && numSteps <= 0) || (m_currentZoom >= m_maxZoom && numSteps >= 0)) {
        return;
    }

    m_currentZoom += 0.25 * numSteps;

    if(m_currentZoom <= m_minZoom) {
        m_currentZoom = m_minZoom;
    }

    if(m_currentZoom >= m_maxZoom) {
        m_currentZoom = m_maxZoom;
    }

    // Reset the zoom, so we can specify an absolute scale factor instead of relative to the current scale
    resetMatrix();
    scale(m_currentZoom, m_currentZoom);

    event->accept();
}
예제 #4
0
void SchematicSceneViewer::normalizeScene()
{

#if QT_VERSION >= 0x050000
	bool beforeIsLarge = (matrix().determinant() >= 1.0);
#else
	bool beforeIsLarge = (matrix().det() >= 1.0);
#endif
	//See QGraphicsView::mapToScene()'s doc for details
	QRect rect(0, 0, width(), height());
	QRectF sceneCenterRect(mapToScene(QRect(rect.center(), QSize(2, 2))).boundingRect());
	resetMatrix();
#if defined(MACOSX)
	scale(1.32, 1.32);
#endif
	centerOn(sceneCenterRect.center());

#if QT_VERSION >= 0x050000
	bool afterIsLarge = (matrix().determinant() >= 1.0);
#else
	bool afterIsLarge = (matrix().det() >= 1.0);
#endif
	if (beforeIsLarge != afterIsLarge) {
		FxSchematicScene *fxScene = qobject_cast<FxSchematicScene *>(scene());
		if (fxScene)
			fxScene->updateScene();
	}
}
예제 #5
0
파일: res-f4.cpp 프로젝트: BertiniM2/M2
void F4Res::construct(int lev, int degree)
{
  decltype(timer()) timeA, timeB;

  resetMatrix(lev, degree);

  timeA = timer();
  makeMatrix();
  timeB = timer();
  mFrame.timeMakeMatrix += seconds(timeB - timeA);

  if (M2_gbTrace >= 2) mHashTable.dump();

  if (M2_gbTrace >= 2)
    std::cout << "  make matrix time: " << seconds(timeB - timeA) << " sec"
              << std::endl;

#if 0
  std::cout << "-- rows --" << std::endl;
  debugOutputReducers();
  std::cout << "-- columns --" << std::endl;
  debugOutputColumns();
  std :: cout << "-- reducer matrix --" << std::endl;
  if (true or lev <= 2)
    debugOutputMatrix(mReducers);
  else
    debugOutputMatrixSparse(mReducers);

  std :: cout << "-- reducer matrix --" << std::endl;
  debugOutputMatrix(mReducers);
  debugOutputMatrixSparse(mReducers);

  std :: cout << "-- spair matrix --" << std::endl;
  debugOutputMatrix(mSPairs);
  debugOutputMatrixSparse(mSPairs);
#endif

  if (M2_gbTrace >= 2)
    std::cout << "  (degree,level)=(" << (mThisDegree - mThisLevel) << ","
              << mThisLevel << ") #spairs=" << mSPairs.size()
              << " reducer= " << mReducers.size() << " x " << mReducers.size()
              << std::endl;

  if (M2_gbTrace >= 2) std::cout << "  gauss reduce matrix" << std::endl;

  timeA = timer();
  gaussReduce();
  timeB = timer();
  mFrame.timeGaussMatrix += seconds(timeB - timeA);

  if (M2_gbTrace >= 2)
    std::cout << "    time: " << seconds(timeB - timeA) << " sec" << std::endl;
  //  mFrame.show(-1);

  timeA = timer();
  clearMatrix();
  timeB = timer();
  mFrame.timeClearMatrix += seconds(timeB - timeA);
}
예제 #6
0
//Constructor
void imageproc::setup(){

	myfont.loadFont("visitor1.ttf", 7,false,false,false); 
	
	camWidth = 320;
	camHeight = 240;
	
	imgWidth = 320;
	imgHeight = 240;
	
	
	#ifdef _USE_LIVE_VIDEO
		vidGrabber.setVerbose(true);
		vidGrabber.initGrabber(camWidth, camHeight); 
	#else
	vidPlayer.loadMovie("output.mov"); //("convertido.mov"); //("output.mov"); //
		vidPlayer.play();
	#endif
	
    sourceImg.allocate(imgWidth,imgHeight); 
	grayImg.allocate(imgWidth,imgHeight); 
	grayImgBg.allocate(imgWidth,imgHeight); 
	grayImgDiff.allocate(imgWidth,imgHeight); 
	grayImgW.allocate(imgWidth,imgHeight); 
	grayImgT.allocate(imgWidth,imgHeight); 
	
	//320, 240
	//matrix
	tileWidth = (int)(grayImg.width / columnas);
	tileHeight = (int)(grayImg.height / filas); 
	
	
	//cout << tileWidth << " " << tileHeight << endl; 

	
	//box para el warping
	boxInputMatrix.setup( 360, 20, imgWidth, imgHeight);
	
	//bg remove
	bLearnBg = false;
	//lastTimeMeasure = ofGetElapsedTimef();
	//lastTimeMeasureFade = ofGetElapsedTimef();
	
	
	
	blobMin = 1;
	blobMax = 22;
	maxPuntos = 10;
    minPuntos= 1;
	threshold = 202	; 
	thresholdDiff = 102; 
	darken_value=100;
	resetMatrix(); 
	
	//cout << "hola2" << endl; 
	
}
예제 #7
0
void SchematicSceneViewer::showEvent(QShowEvent *se) {
  QGraphicsView::showEvent(se);
  if (m_firstShowing) {
    m_firstShowing = false;
    QRectF rect    = scene()->itemsBoundingRect();
    resetMatrix();
    centerOn(rect.center());
  }
}
예제 #8
0
// ----------------------------------------------------
DataMatrix::DataMatrix(){
    
    srand(time(NULL));
    ai_count = 0;
    resetMatrix();
    s = 0;
    lvl = 1;
    
} // end ctor
예제 #9
0
void WelcomeItem::zoom(int step) {

  QPointF center = this->boundingRect().center();
  resetMatrix();
  QTransform mat = this->transform();
  mat.translate(center.x(), center.y());
  mat.scale(1 + step / 350.0, 1 + step / 350.00);
  mat.translate(-(center.x()), -center.y());

  this->setTransform(mat);
}
예제 #10
0
void SchematicSceneViewer::normalizeScene() {
  // See QGraphicsView::mapToScene()'s doc for details
  QRect rect(0, 0, width(), height());
  QRectF sceneCenterRect(
      mapToScene(QRect(rect.center(), QSize(2, 2))).boundingRect());
  resetMatrix();
#if defined(MACOSX)
  scale(1.32, 1.32);
#endif
  centerOn(sceneCenterRect.center());
}
예제 #11
0
파일: nRenderer.cpp 프로젝트: gan74/nGine
void nRenderer::begin(bool clear) {
	computeVisibility();
	enableAttributes();
	if(clear) {
		clearBuffers();
	}

	glRasterPos2i(0, 0);
	glViewport(0, 0, viewport.x, viewport.y);

	resetMatrix();
}
예제 #12
0
void MapView::resizeEvent(QResizeEvent *event)
{
    QGraphicsView::resizeEvent(event);

    calculateZoom();

    if(m_currentZoom < m_minZoom) {
        m_currentZoom = m_minZoom;
    }

    resetMatrix();
    scale(m_currentZoom, m_currentZoom);
}
예제 #13
0
void AbstractDesktopWidget::setRect(const QRectF &rect)
{
    d->mBoundingRect = rect;

    prepareGeometryChange();
    QPointF center = boundingRect().center();
    QTransform mat = QTransform();
    mat.translate(center.x(), center.y());
    mat.translate(-center.x(), -center.y());
    setTransform(mat);
    resetMatrix();
    update();
}
예제 #14
0
void DesktopWidget::configState(DesktopWidget::State s)
{
    resetMatrix();
    prepareGeometryChange();
    if (s == DOCK) {
        setRect(0, 0, d->dock.width(), d->dock.height());
    } else {
        setRect(0, 0, d->panel.width(), d->panel.height());
    }
    d->s = s;
    if (d->proxyWidget) {
        d->proxyWidget->hide();
    }
}
예제 #15
0
NOINLINER void showWord(unsigned char word, float x, float y, float size, float alpha)
{
  if (word == EMPTY)
    return;
  resetMatrix();
  glTranslatef(x, y, 0);
  size *= 1.01f - 0.01f * alpha * alpha;
  glScalef(size, size, 1.f);

  glColor4f(1.f, 1.f, 1.f, p0d90 * alpha);
  glBindTexture(GL_TEXTURE_2D, wordTextures[word]);

  glDrawArrays(GL_QUADS, 0, 4);
}
/**
 * Constructor
 * 
 * @param cx X axis of the center of the sensor
 * @param cy Y axis of the center of the sensor
 * @param angle inclination of the sensor
 * 
 * @param rows number of rows of sensors in the sensors matrix
 * @param cols number of columns of sensors in the sensors matrix
 * 
 * @param marginUp the upper marigin before you encounter the first sensor of the matrix
 * @param marginDown the lower marigin before you encounter the first sensor of the matrix
 * @param marginLeft the left marigin before you encounter the first sensor of the matrix
 * @param marginRight the right marigin before you encounter the first sensor of the matrix
 * 
 * @param paddingX the X padding betweeen the sensors
 * @param paddingY the Y padding betweeen the sensors
 */
GroundSensor::GroundSensor( smReal cx, smReal cy, smReal angle, int rows, int cols, smReal marginUp, smReal marginDown, smReal marginLeft, smReal marginRight, smReal paddingX, smReal paddingY )
    : type("standard"), maxVal(255), minVal(0),
    cx(cx),cy(cy),angle(angle),
    rows(rows),cols(cols),
    marginDown( marginDown ),marginUp   ( marginUp ),
    marginLeft( marginLeft ),marginRight( marginRight ),
    paddingX( paddingX ),paddingY( paddingY )
{
    this->dimX = cols*paddingX + marginLeft + marginRight;
    this->dimY = rows*paddingY + marginUp + marginDown;
 
    this->upperX = (cx-dimX/2);
    this->upperY = (cy-dimY/2);
    
    this->matrix = new smReal[cols*rows];
    resetMatrix();
}
예제 #17
0
void AbstractDesktopWidget::setRotation(float angle)
{
    d->mAngle = angle;
    setCacheMode(ItemCoordinateCache);
    QPointF center = boundingRect().center();
    QTransform mat = QTransform();
    mat.translate(center.x(), center.y());
    mat.rotate(d->mAngle, Qt::YAxis);
    mat.translate(-center.x(), -center.y());
    setTransform(mat);
    if (d->mAngle >= 180) {
        if (state() == ROTATED) {
            setState(VIEW);
        } else {
            setState(ROTATED);
        }
        resetMatrix();
        //setCacheMode(DeviceCoordinateCache);
        d->mAngle = 0;
    }
}
예제 #18
0
	//--------------------------------------------------------------
	void imageproc::keyPressed  (int key){
		
		switch (key){
			case ' ':
				bLearnBg = true;
				
				
			#ifdef _USE_LIVE_VIDEO
				
			#else
				resetMatrix();
				vidPlayer.setPosition(0);
			#endif
				
				
				break;
			case 'u':
				threshold++;
				if (threshold > 255) threshold = 255;
				break;
			case 'i':
				threshold--;
				if (threshold < 0) threshold = 0;
				break; 
				
			case 'o':
				thresholdDiff++;
				if (threshold > 255) threshold = 255;
				break;
			case 'p':
				thresholdDiff--;
				if (threshold < 0) threshold = 0;
				break; 
				
				
		
		}  
		
		
	} 
예제 #19
0
void DesktopWidget::spin()
{
    d->angle += 18;
    setCacheMode(ItemCoordinateCache);
    QPointF center = boundingRect().center();
    QTransform mat = QTransform();
    mat.translate(center.x() ,  center.y());
    mat.rotate(d->angle, Qt::YAxis);
    mat.translate(- center.x() ,  - center.y());
    setTransform(mat);
    if (d->angle >= 180) {
        if (state() == BACKSIDE) {
            setState(NORMALSIDE);
        } else {
            setState(BACKSIDE);
        }
        d->spintimer->stop();
        resetMatrix();
        setCacheMode(DeviceCoordinateCache);
        d->angle = 0;
    }
}
예제 #20
0
ExampleView::ExampleView(QWidget* parent)
   : QFrame(parent)
      {
      _score = 0;
      setAcceptDrops(true);
      setFocusPolicy(Qt::StrongFocus);
      resetMatrix();
      _fgPixmap = nullptr;
      if (preferences.getBool(PREF_UI_CANVAS_FG_USECOLOR))
            _fgColor = preferences.getColor(PREF_UI_CANVAS_FG_COLOR);
      else {
            _fgPixmap = new QPixmap(preferences.getString(PREF_UI_CANVAS_FG_WALLPAPER));
            if (_fgPixmap == 0 || _fgPixmap->isNull())
                  qDebug("no valid pixmap %s", qPrintable(preferences.getString(PREF_UI_CANVAS_FG_WALLPAPER)));
            }
      // setup drag canvas state
      sm          = new QStateMachine(this);
      QState* stateActive = new QState;

      QState* s1 = new QState(stateActive);
      s1->setObjectName("example-normal");
      s1->assignProperty(this, "cursor", QCursor(Qt::ArrowCursor));

      QState* s = new QState(stateActive);
      s->setObjectName("example-drag");
      s->assignProperty(this, "cursor", QCursor(Qt::SizeAllCursor));
      QEventTransition* cl = new QEventTransition(this, QEvent::MouseButtonRelease);
      cl->setTargetState(s1);
      s->addTransition(cl);
      s1->addTransition(new DragTransitionExampleView(this));


      sm->addState(stateActive);
      stateActive->setInitialState(s1);
      sm->setInitialState(stateActive);

      sm->start();
      }
예제 #21
0
int main(int argc, char **argv) {
	if(argc != 2) {
		printf("Correct usage: ./wavePropagationSimulator bm\nWhere bm = a (for not generating a new benchmark) or b (generates benchmark)");
		exit(4);
	}
	int intNTotalNodes = N_HNODES*N_VNODES;

	// Initiate the CSR Matrix which stands as the coefficients matrix to the linear system
	CSR_Matrix CSRM_UKP1;
	CSRM_UKP1 = initCSRMatrix(intNTotalNodes);

	loadUKP1CSR(CSRM_UKP1,0,waveSpeed);
	if(argv[1][0] == 'b') {
	// Generating the Grid. This function uses the constants set in constants.h to do it
	generateGridToFile("mesh.m");

	// These functions generate series of wavefields, they should be uncommented on further tests
	//generateWaveBenchmark("wave1.m",wave1);
	generateWaveBenchmarkTimeVariant("wave2","wave2",wave2);
	}

	// Trying to establish time variance for u
	//
	// Now u must be a vector of extended 2d-vectors, since every "row" in u corresponds to a time step
	// An extended vector is a matrix shaped to store every node with a special mapping scheme, in which
	// they're stored line by line.

	// Initiating uVectorTimeVariant
	structMatrix *uVectorTimeVariant[2];
	for(int i=0; i < 2; i++)	{
		uVectorTimeVariant[i] = (structMatrix*) calloc(N_TIME_STEPS,sizeof(structMatrix));
		for(int j = 0; j < N_TIME_STEPS; j++) uVectorTimeVariant[i][j] = initMatrix(intNTotalNodes,1);
	}


	// u_0 is a prescript value, since we know how the wave behaves when it starts propagating
	// Its initial values shall be stored in the testbench folder, for whatever wave used
	// In this initial test, we will use the "wave2", for its the one that already has time variance
	loadExtVectorOnInitialTime(uVectorTimeVariant,"../testbench/wave2/wave2_0.m");
	//printMatrix(uVectorTimeVariant[0][0]);
	//printMatrix(uVectorTimeVariant[0][1]);

	// Calculating u_1
	// u_1 is calculated via Taylor series, using both u_0, v_0 (u_0 derivative on time) - both of these are known
	// in advance - and the space derivatives on X and Y axis (this is easily extensible to a 3rd dimension), which
	// corresponds to the laplacian of u_0 and are calculated via Finite Differences. Once again, we use "wave2" as
	//a case test.
	// The Taylor series expression to u_1 is:

	// u_1 = u_0 + delta_time * v_0 + (delta_time^2/2) * (d^2 u/dx^2 + d^2 u/dy^2) * (waveSpeed(t=0)^2 * delta_time^2) / 2
	// u_0 is already done in uVectorTimeVariant[0]
	// v_0 is easily calculated:
	structMatrix *v_0_m,v_0[2],laplacian[2];
	v_0_m = loadExtVectorTimeDerivative(wave2TimeDerivative);
	laplacian[0] = initMatrix(intNTotalNodes,1);
	laplacian[1] = initMatrix(intNTotalNodes,1);

	float *boundaryVector;
	boundaryVector = calloc((2*(N_HNODES + N_VNODES -2)),sizeof(float));


	for(int i=0; i < 2; i++) {
		//matrixSumDestined(uVectorTimeVariant[i][1],uVectorTimeVariant[i][0]);

		v_0[i] = matrixToExtVector(v_0_m[i]);
		destroyMatrix(v_0_m[i]);


		matrixTimesScalar(v_0[i],DELTA_TIME);

		laplacianViaFD(laplacian[i],uVectorTimeVariant[i][0]);
		correctLaplacian(laplacian[i],0);

		// Now summing up the factors
		matrixSumDestined(uVectorTimeVariant[i][1],uVectorTimeVariant[i][0]);
		matrixSumDestined(uVectorTimeVariant[i][1],v_0[i]);
		matrixSumDestined(uVectorTimeVariant[i][1],laplacian[i]);

		// at the end, apply the boundary conditions on u_1
		generateBoundaryVectorFromFunction(boundaryVector,DELTA_TIME,i,wave2Returnable);
		applyBoundaryConditions(uVectorTimeVariant[i][1],boundaryVector);
	}

	//todo assemble the linear system
	//int k=1;
	structMatrix vectorB,UKL1;
	structMatrix tmp_Multiplier;
	UKL1 = initMatrix(intNTotalNodes,intNTotalNodes);
	tmp_Multiplier = initMatrix(intNTotalNodes,1);
	//tmp_Multiplier[Y_AXIS] = initMatrix(intNTotalNodes,1);
	vectorB = initMatrix(intNTotalNodes,1);

	exportWaveFieldToFile(extVectorToMatrix(uVectorTimeVariant[X_AXIS][0]),extVectorToMatrix(uVectorTimeVariant[Y_AXIS][0]),0,"wave2","wave2");
	exportWaveFieldToFile(extVectorToMatrix(uVectorTimeVariant[X_AXIS][1]),extVectorToMatrix(uVectorTimeVariant[Y_AXIS][1]),1,"wave2","wave2");

	for(int k=1; k < N_TIME_STEPS-1; k++) {
		loadUKL1(UKL1,(k-1)*DELTA_TIME,waveSpeed);
		for(int axis = 0; axis < 2; axis++) {

			//if(axis==1) printMatrix(UKL1);
			printf("Axis: %d %d\n",axis,Y_AXIS);
			copyMatrix(vectorB,uVectorTimeVariant[axis][k]);

			applyWaveSpeedTimeStepIntoMatrix(vectorB,DELTA_TIME,waveSpeed);
			matrixMultiplicationDestined(tmp_Multiplier,UKL1,uVectorTimeVariant[axis][k-1]);

			matrixSumDestined(vectorB,tmp_Multiplier);

			generateBoundaryVectorFromFunction(boundaryVector,(k+1)*DELTA_TIME,axis,wave2Returnable);
			applyBoundaryConditions(vectorB,boundaryVector);
		// todo SOR method in CSR matrix

			CSR_SOR(uVectorTimeVariant[axis][k+1],CSRM_UKP1,vectorB,1);
			resetMatrix(tmp_Multiplier);
		}
		//printMatrix(extVectorToMatrix(uVectorTimeVariant[Y_AXIS][k+1]));
		exportWaveFieldToFile(extVectorToMatrix(uVectorTimeVariant[X_AXIS][k+1]),extVectorToMatrix(uVectorTimeVariant[Y_AXIS][k+1]),k+1,"wave2","wave2");
	}

	//printMatrix(extVectorToMatrix(tmp_Multiplier));
	printf("\n");
	//printCSRMatrix(CSRM_UKP1);
	//printMatrix(vectorB);
/*	// Initiating mesh
		structMatrix mesh_hmatrix,mesh_vmatrix;
		structMatrix tmp[2];
		tmp[X_AXIS] = extVectorToMatrix(uVectorTimeVariant[X_AXIS][1]);
		tmp[Y_AXIS] = extVectorToMatrix(uVectorTimeVariant[Y_AXIS][1]);
		mesh_hmatrix = initMatrix(N_HNODES,N_VNODES);
		mesh_vmatrix = initMatrix(N_HNODES,N_VNODES);
		loadMesh(mesh_hmatrix,mesh_vmatrix);
		//for(int i=0; i< N_TIME_STEPS; i++) {
			printMatrixToFile(tmp[X_AXIS],"matrix.m","u");
			printMatrixToFile(tmp[Y_AXIS],"matrix.m","v");
			printMatrixToFile(mesh_hmatrix,"matrix.m","x");
			printMatrixToFile(mesh_vmatrix,"matrix.m","y");
			// At the end, print the "quiver" function
			FILE *destinyFile = fopen("matrix.m","a");
			fprintf(destinyFile,"quiver(x,y,u,v)\n");
			fclose(destinyFile);
//		}
*/




	// Memory Freeing
	destroyCSRMatrix(CSRM_UKP1);
	destroyMatrix(vectorB);
	destroyMatrix(UKL1);
	destroyMatrix(tmp_Multiplier);

	for (int i=0; i < 2; i++) {
		destroyMatrix(laplacian[i]);
		destroyMatrix(v_0[i]);
		for(int j = 0; j < N_TIME_STEPS; j++) destroyMatrix(uVectorTimeVariant[i][j]);
		free(uVectorTimeVariant[i]);
	}
	free(v_0_m);
	free(boundaryVector);
}
예제 #22
0
void MapView::resetZoom()
{
    m_currentZoom = 1.0f;
    resetMatrix();
}
예제 #23
0
ELMatrix4x4::ELMatrix4x4()
{
	resetMatrix();
}
예제 #24
0
파일: View.cpp 프로젝트: ct2034/robotino
void View::fit()
{
	resetMatrix();
	fitInView( sceneRect(), Qt::KeepAspectRatio );
}
예제 #25
0
파일: submit.c 프로젝트: vegaen/cs140-hw3
void nbody(double** s, double** v, double* m, int n, int iter, int timestep) {
	int myrank, nprocs;
	int i,j,k, size, l, p;
	double* distance;
	double* currentplanets;
	double** acceleration;
	double r, G,f;
	MPI_Status status;	
	

	MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
	MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
	size = n / nprocs;
	distance = (double *)malloc(sizeof(double) * 3);	
	acceleration = (double **)malloc(sizeof(double *) * size);	
	// array med planeter x,y,z,masse	
	currentplanets = (double *)malloc(sizeof(double) * 4 * size);	
	
	

	for (i = 0; i < size; i++) {  
		acceleration[i] = (double*)malloc(sizeof(double) * 3);
	}	

	G = 6.674e-11;

	for(i = 0; i < iter; i++){				//for loop over iterasjoner
		
		resetMatrix(acceleration, size);

		for (k = 0; k < size; k++) {  
			for(j = 0; j < 4; j++){
				currentplanets[j+k*4] = (j == 3) ? m[k] : s[k][j];
			}
			
		}		
		for(p = 0; p < nprocs ; p++){


			for(j = 0; j < size;j++){			//for loop for en spesefikk planet
				for(k = 0; k< size;k++){		//alle planeter for en spesifikk
					for(l = 0; l < 3;l++){
						distance[l] = s[j][l] - currentplanets[k*4 +l];	
					}
					r = norm(distance);
					if(r==0) continue;
					f = (G * m[j] * currentplanets[k*4+3] ) / (r*r);	
					for(l = 0; l < 3;l++){
						distance[l] = ((distance[l] * f )/ r) / m[j];
						acceleration[j][l] = acceleration[j][l] - distance[l];
					}

				}
					
			}
			
			if (p == (nprocs-1)) continue;

			if(myrank % 2 == 0){
				//MPI Send first, then recieve
				MPI_Send(&currentplanets[0], size*4, MPI_DOUBLE, (myrank+1)%nprocs, 0, MPI_COMM_WORLD);
				MPI_Recv(&currentplanets[0], size*4, MPI_DOUBLE, (myrank-1)%nprocs, 0, MPI_COMM_WORLD, &status);
			}else{					
				double* tmp;
				tmp  = (double *)malloc(sizeof(double)*size*4);

				//MPI Recieve first, then send
				MPI_Recv(&tmp[0], size*4, MPI_DOUBLE, (myrank -1)%nprocs, 0, MPI_COMM_WORLD, &status);
				MPI_Send(&currentplanets[0], size*4, MPI_DOUBLE, (myrank +1)%nprocs, 0, MPI_COMM_WORLD);			
				
				for (j = 0; j < size*4; j++) {
					currentplanets[j] = tmp[j];
				}

				free(tmp);
			}
		}
		for(j=0; j < size;j++){
			for(k=0;k<3;k++){
				v[j][k] = v[j][k] + timestep * acceleration[j][k];
				s[j][k] = s[j][k] + timestep * v[j][k];
			}
		}			
	}

	
	free(distance);
	free(currentplanets);
	free(acceleration);

	printInOrder(myrank, nprocs, size, s, v, m);
	
}