AdamsMoultonFieldIntegratorBuilder.java

  1. /* Copyright 2002-2025 CS GROUP
  2.  * Licensed to CS GROUP (CS) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * CS licenses this file to You under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  *   http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17. package org.orekit.propagation.conversion;

  18. import org.hipparchus.CalculusFieldElement;
  19. import org.hipparchus.Field;
  20. import org.hipparchus.ode.nonstiff.AdamsMoultonFieldIntegrator;
  21. import org.orekit.orbits.Orbit;
  22. import org.orekit.propagation.ToleranceProvider;

  23. /**
  24.  * Builder for AdamsMoultonFieldIntegrator.
  25.  *
  26.  * @author Pascal Parraud
  27.  * @author Vincent Cucchietti
  28.  * @since 12.0
  29.  * @param <T> type of the field elements
  30.  */
  31. public class AdamsMoultonFieldIntegratorBuilder<T extends CalculusFieldElement<T>>
  32.         extends AbstractLimitedVariableStepFieldIntegratorBuilder<T, AdamsMoultonFieldIntegrator<T>> {

  33.     /**
  34.      * Build a new instance. Should only use this constructor with {@link Orbit}.
  35.      *
  36.      * @param nSteps number of steps
  37.      * @param minStep minimum step size (s)
  38.      * @param maxStep maximum step size (s)
  39.      * @param dP position error (m)
  40.      *
  41.      * @see AdamsMoultonFieldIntegrator
  42.      */
  43.     public AdamsMoultonFieldIntegratorBuilder(final int nSteps, final double minStep,
  44.                                               final double maxStep, final double dP) {
  45.         super(nSteps, minStep, maxStep, getDefaultToleranceProvider(dP));
  46.     }

  47.     /**
  48.      * Build a new instance.
  49.      *
  50.      * @param nSteps number of steps
  51.      * @param minStep minimum step size (s)
  52.      * @param maxStep maximum step size (s)
  53.      * @param toleranceProvider integration tolerance provider
  54.      *
  55.      * @since 13.0
  56.      * @see AdamsMoultonFieldIntegrator
  57.      */
  58.     public AdamsMoultonFieldIntegratorBuilder(final int nSteps, final double minStep,
  59.                                               final double maxStep, final ToleranceProvider toleranceProvider) {
  60.         super(nSteps, minStep, maxStep, toleranceProvider);
  61.     }

  62.     /** {@inheritDoc} */
  63.     @Override
  64.     protected AdamsMoultonFieldIntegrator<T> buildIntegrator(final Field<T> field, final double[][] tolerances) {
  65.         return new AdamsMoultonFieldIntegrator<>(field, getnSteps(), getMinStep(), getMaxStep(), tolerances[0], tolerances[1]);
  66.     }

  67.     /** {@inheritDoc} */
  68.     @Override
  69.     public AdamsMoultonIntegratorBuilder toODEIntegratorBuilder() {
  70.         return new AdamsMoultonIntegratorBuilder(getnSteps(), getMinStep(), getMaxStep(), getToleranceProvider());
  71.     }
  72. }