/*
    * Licensed to the Hipparchus project under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The Hipparchus project 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
    *
    *      https://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.hipparchus.ode.nonstiff;
  
  
  import org.hipparchus.CalculusFieldElement;
  import org.hipparchus.Field;
  import org.hipparchus.exception.MathIllegalArgumentException;
  import org.hipparchus.exception.MathIllegalStateException;
  import org.hipparchus.util.Binary64Field;
  import org.junit.jupiter.api.Test;
  
  class LutherFieldIntegratorTest extends RungeKuttaFieldIntegratorAbstractTest {
  
      protected <T extends CalculusFieldElement<T>> FixedStepRungeKuttaFieldIntegrator<T>
      createIntegrator(Field<T> field, T step) {
          return new LutherFieldIntegrator<T>(field, step);
      }
  
      @Override
      @Test
      public void testNonFieldIntegratorConsistency() {
          doTestNonFieldIntegratorConsistency(Binary64Field.getInstance());
      }
  
      @Override
      @Test
      public void testMissedEndEvent()
          throws MathIllegalArgumentException, MathIllegalStateException {
          doTestMissedEndEvent(Binary64Field.getInstance(), 1.0e-15, 1.0e-15);
      }
  
      @Override
      @Test
      public void testSanityChecks()
          throws MathIllegalArgumentException, MathIllegalStateException {
          doTestSanityChecks(Binary64Field.getInstance());
      }
  
      @Override
      @Test
      public void testDecreasingSteps()
          throws MathIllegalArgumentException, MathIllegalStateException {
          doTestDecreasingSteps(Binary64Field.getInstance(), 3.6, 1.0, 1.0e-10);
      }
  
      @Override
      @Test
      public void testSmallStep()
          throws MathIllegalArgumentException, MathIllegalStateException {
          doTestSmallStep(Binary64Field.getInstance(), 8.7e-17, 3.6e-15, 1.0e-12, "Luther");
      }
  
      @Override
      @Test
      public void testBigStep()
          throws MathIllegalArgumentException, MathIllegalStateException {
          doTestBigStep(Binary64Field.getInstance(), 2.7e-5, 1.7e-3, 1.0e-12, "Luther");
      }
  
      @Override
      @Test
      public void testBackward()
          throws MathIllegalArgumentException, MathIllegalStateException {
          doTestBackward(Binary64Field.getInstance(), 2.4e-13, 4.3e-13, 1.0e-12, "Luther");
      }
  
      @Override
      @Test
      public void testKepler()
          throws MathIllegalArgumentException, MathIllegalStateException {
          doTestKepler(Binary64Field.getInstance(), 2.18e-7, 4.0e-10);
      }
  
      @Override
      @Test
      public void testStepSize()
          throws MathIllegalArgumentException, MathIllegalStateException {
          doTestStepSize(Binary64Field.getInstance(), 1.0e-22);
      }
  
      @Override
      @Test
      public void testSingleStep() {
         doTestSingleStep(Binary64Field.getInstance(), 6.0e-12);
     }
 
     @Override
     @Test
     public void testTooLargeFirstStep() {
         doTestTooLargeFirstStep(Binary64Field.getInstance());
     }
 
     @Override
     @Test
     public void testUnstableDerivative() {
         doTestUnstableDerivative(Binary64Field.getInstance(), 4.0e-15);
     }
 
     @Override
     @Test
     public void testDerivativesConsistency() {
         doTestDerivativesConsistency(Binary64Field.getInstance(), 1.0e-20);
     }
 
     @Override
     @Test
     public void testPartialDerivatives() {
         doTestPartialDerivatives(4.4e-13, new double[] { 2.3e-12, 5.6e-13, 9.5e-14, 9.5e-14, 5.6e-13 });
     }
 
     @Test
     public void testSecondaryEquations() {
         doTestSecondaryEquations(Binary64Field.getInstance(), 1.0e-12, 5.6e-13);
     }
 
 }