/*
    * Copyright 2007, 2008 Ange Optimization ApS
    *
    * Licensed 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 eu.simuline.octave;
  
  import eu.simuline.octave.type.Octave;
  import eu.simuline.octave.type.OctaveDouble;
  
  /**
   * @author Kim Hansen
   */
  public class RunOctave {
  
      /**
       * @param args
       */
      public static void main(final String[] args) {
          System.out.println("BEGIN");
          test1();
          test2();
          System.out.println("END.");
      }
  
      private static void test1() {
          final OctaveEngine octave = new OctaveEngineFactory().getScriptEngine();
  
          octave.put("a", Octave.scalar(42));
          octave.eval("a");
          System.out.println("Java: a = " + octave.get("a"));
          octave.eval("a=a+10");
          System.out.println("Java: a = " + octave.get("a"));
  
          octave.close();
      }
  
      private static void test2() {
          final OctaveEngine octave = new OctaveEngineFactory().getScriptEngine();
          final OctaveDouble a = new OctaveDouble(new double[] { 1, 2, 3, 4 }, 2, 2);
          octave.put("a", a);
          final String func = "" //
                  + "function res = my_func(a)\n" //
                  + "  res = 2 * a;\n" //
                  + "endfunction\n" //
                  + "";
          octave.eval(func);
          octave.eval("b = my_func(a);");
          final OctaveDouble b = octave.get(OctaveDouble.class, "b");
          octave.close();
  
          System.out.println("Java: b(1,1) = " + b.get(1, 1));
          System.out.println("Java: b(1,2) = " + b.get(1, 2));
          System.out.println("Java: b(2,1) = " + b.get(2, 1));
          System.out.println("Java: b(2,2) = " + b.get(2, 2));
      }
  
  }