/* Copyright 2022-2025 Romain Serra
    * Licensed to CS GROUP (CS) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * CS licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.orekit.control.indirect.adjoint.cost;
  
  import org.hipparchus.geometry.euclidean.threed.FieldVector3D;
  import org.hipparchus.geometry.euclidean.threed.Vector3D;
  import org.hipparchus.util.Binary64;
  
  public class TestFieldCost implements FieldCartesianCost<Binary64> {
  
      @Override
      public String getAdjointName() {
          return "";
      }
  
      @Override
      public int getAdjointDimension() {
          return getMassFlowRateFactor().getReal() == 0 ? 6 : 7;
      }
  
      @Override
      public Binary64 getMassFlowRateFactor() {
          return Binary64.ONE.multiply(10);
      }
  
      @Override
      public FieldVector3D<Binary64> getFieldThrustAccelerationVector(Binary64[] adjointVariables, Binary64 mass) {
          return new FieldVector3D<>(mass.getField(), new Vector3D(1, 2, 3));
      }
  
      @Override
      public void updateFieldAdjointDerivatives(Binary64[] adjointVariables, Binary64 mass, Binary64[] adjointDerivatives) {
  
      }
  
      @Override
      public Binary64 getFieldHamiltonianContribution(Binary64[] adjointVariables, Binary64 mass) {
          return mass.getField().getZero();
      }
  
      @Override
      public CartesianCost toCartesianCost() {
          return new TestCost();
      }
  }