Package org.apache.commons.math.ode.events

Examples of org.apache.commons.math.ode.events.EventState$EmbeddedEventException


    /** {@inheritDoc} */
    public void addEventHandler(final EventHandler handler,
                                final double maxCheckInterval,
                                final double convergence,
                                final int maxIterationCount) {
        eventsStates.add(new EventState(handler, maxCheckInterval, convergence, maxIterationCount));
    }
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            while (!occuringEvents.isEmpty()) {

                // handle the chronologically first event
                final Iterator<EventState> iterator = occuringEvents.iterator();
                final EventState currentEvent = iterator.next();
                iterator.remove();

                // restrict the interpolator to the first part of the step, up to the event
                final double eventT = currentEvent.getEventTime();
                interpolator.setSoftPreviousTime(previousT);
                interpolator.setSoftCurrentTime(eventT);

                // trigger the event
                interpolator.setInterpolatedTime(eventT);
                final double[] eventY = interpolator.getInterpolatedState();
                currentEvent.stepAccepted(eventT, eventY);
                isLastStep = currentEvent.stop();

                // handle the first part of the step, up to the event
                for (final StepHandler handler : stepHandlers) {
                    handler.handleStep(interpolator, isLastStep);
                }

                if (isLastStep) {
                    // the event asked to stop integration
                    System.arraycopy(eventY, 0, y, 0, y.length);
                    return eventT;
                }

                if (currentEvent.reset(eventT, eventY)) {
                    // some event handler has triggered changes that
                    // invalidate the derivatives, we need to recompute them
                    System.arraycopy(eventY, 0, y, 0, y.length);
                    computeDerivatives(eventT, y, yDot);
                    resetOccurred = true;
                    return eventT;
                }

                // prepare handling of the remaining part of the step
                previousT = eventT;
                interpolator.setSoftPreviousTime(eventT);
                interpolator.setSoftCurrentTime(currentT);

                // check if the same event occurs again in the remaining part of the step
                if (currentEvent.evaluateStep(interpolator)) {
                    // the event occurs during the current step
                    occuringEvents.add(currentEvent);
                }

            }
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