Program: 58334
Project: 58334
Buggy source:
public boolean doASlerp(float[] position){
  actualPoint=position.clone();
  slerpFactor=speed * (float)time.deltaT();
  tempVector[0]=targetPoint[0] - actualPoint[0];
  tempVector[1]=targetPoint[1] - actualPoint[1];
  distanceToTarget=(float)Math.sqrt(tempVector[0] * tempVector[0] + tempVector[1] * tempVector[1]);
  if (distanceToTarget <= slerpFactor) {
    slerpFactor=0;
    if ((targetPoint[0] == 0) && (targetPoint[1] == 0)) {
      returnPoint[0]=position[0] * -1;
      returnPoint[1]=position[1] * -1;
      return false;
    }
    oldDistanceToTarget=distanceToTarget;
    tempVector[0]=targetPoint[0] - actualPoint[0];
    tempVector[1]=targetPoint[1] - actualPoint[1];
    oldDistanceToTarget=(float)Math.sqrt(tempVector[0] * tempVector[0] + tempVector[1] * tempVector[1]);
    for (int i=0; i < numberOfIterations; i++) {
      actualPoint=position.clone();
      tempVector[0]=targetPoint[0] - calcuatedPosition[0];
      tempVector[1]=targetPoint[1] - calcuatedPosition[1];
      oldDistanceToTarget=distanceToTarget;
      distanceToTarget=(float)Math.sqrt(tempVector[0] * tempVector[0] + tempVector[1] * tempVector[1]);
      if (distanceToTarget < precision) {
        break;
      }
      if ((distanceToTarget > oldDistanceToTarget) && (i > 1)) {
        break;
      }
      slerpFactor=slerpFactor + precision;
      ComplexNumber complexPoint=new ComplexNumber();
      complexPoint.setValue(actualPoint[0],actualPoint[1]);
      complexPoint=dummyDisk.moebiusTransformation(complexPoint,new ComplexNumber(directionVector[0] * slerpFactor,directionVector[1] * slerpFactor));
      calcuatedPosition[0]=(float)complexPoint.getRealPart();
      calcuatedPosition[1]=(float)complexPoint.getImaginaryPart();
    }
    returnPoint[0]=directionVector[0] * slerpFactor;
    returnPoint[1]=directionVector[1] * slerpFactor;
    ComplexNumber complexPoint=new ComplexNumber();
    complexPoint.setValue(position[0],position[1]);
    complexPoint=dummyDisk.moebiusTransformation(complexPoint,new ComplexNumber(returnPoint[0],returnPoint[1]));
    calcuatedPosition[0]=(float)complexPoint.getRealPart();
    calcuatedPosition[1]=(float)complexPoint.getImaginaryPart();
    return false;
  }
  tempVector[0]=targetPoint[0] - actualPoint[0];
  tempVector[1]=targetPoint[1] - actualPoint[1];
  dLength=(float)Math.sqrt(tempVector[0] * tempVector[0] + tempVector[1] * tempVector[1]);
  directionVector[0]=tempVector[0] / dLength;
  directionVector[1]=tempVector[1] / dLength;
  returnPoint[0]=directionVector[0] * slerpFactor;
  returnPoint[1]=directionVector[1] * slerpFactor;
  time.update();
  return true;
}

Fixed version (ground truth):
public boolean doASlerp(float[] position){
  actualPoint=position.clone();
  slerpFactor=speed * (float)time.deltaT();
  float[] tempVector=new float[2];
  tempVector[0]=actualPoint[0] - startPoint[0];
  tempVector[1]=actualPoint[1] - startPoint[1];
  tempVector[0]=targetPoint[0] - actualPoint[0];
  tempVector[1]=targetPoint[1] - actualPoint[1];
  distanceToTarget=(float)Math.sqrt(tempVector[0] * tempVector[0] + tempVector[1] * tempVector[1]);
  if (distanceToTarget <= slerpFactor) {
    slerpFactor=0;
    if ((targetPoint[0] == 0) && (targetPoint[1] == 0)) {
      returnPoint[0]=(position[0]) * -1;
      returnPoint[1]=(position[1]) * -1;
      return false;
    }
    float oldDistanceToTarget=distanceToTarget;
    float[] calcuatedPosition=new float[2];
    tempVector[0]=targetPoint[0] - actualPoint[0];
    tempVector[1]=targetPoint[1] - actualPoint[1];
    oldDistanceToTarget=(float)Math.sqrt(tempVector[0] * tempVector[0] + tempVector[1] * tempVector[1]);
    for (int i=0; i < numberOfIterations; i++) {
      actualPoint=position.clone();
      tempVector[0]=targetPoint[0] - calcuatedPosition[0];
      tempVector[1]=targetPoint[1] - calcuatedPosition[1];
      oldDistanceToTarget=distanceToTarget;
      distanceToTarget=(float)Math.sqrt(tempVector[0] * tempVector[0] + tempVector[1] * tempVector[1]);
      if (distanceToTarget < precision) {
        break;
      }
      if ((distanceToTarget > oldDistanceToTarget) && (i > 1)) {
        break;
      }
      slerpFactor=slerpFactor + precision;
      ComplexNumber complexPoint=new ComplexNumber();
      complexPoint.setValue(actualPoint[0],actualPoint[1]);
      complexPoint=dummyDisk.moebiusTransformation(complexPoint,new ComplexNumber(directionVector[0] * slerpFactor,directionVector[1] * slerpFactor));
      calcuatedPosition[0]=(float)complexPoint.getRealPart();
      calcuatedPosition[1]=(float)complexPoint.getImaginaryPart();
    }
    returnPoint[0]=directionVector[0] * slerpFactor;
    returnPoint[1]=directionVector[1] * slerpFactor;
    ComplexNumber complexPoint=new ComplexNumber();
    complexPoint.setValue(position[0],position[1]);
    complexPoint=dummyDisk.moebiusTransformation(complexPoint,new ComplexNumber(returnPoint[0],returnPoint[1]));
    calcuatedPosition[0]=(float)complexPoint.getRealPart();
    calcuatedPosition[1]=(float)complexPoint.getImaginaryPart();
    return false;
  }
  tempVector[0]=targetPoint[0] - actualPoint[0];
  tempVector[1]=targetPoint[1] - actualPoint[1];
  dLength=(float)Math.sqrt(tempVector[0] * tempVector[0] + tempVector[1] * tempVector[1]);
  directionVector[0]=tempVector[0] / dLength;
  directionVector[1]=tempVector[1] / dLength;
  returnPoint[0]=directionVector[0] * slerpFactor;
  returnPoint[1]=directionVector[1] * slerpFactor;
  time.update();
  return true;
}