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1   /*
2    * Copyright 2009 Ange Optimization ApS
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package eu.simuline.octave.examples;
17  
18  import eu.simuline.octave.OctaveEngine;
19  import eu.simuline.octave.OctaveEngineFactory;
20  import eu.simuline.octave.type.OctaveDouble;
21  
22  import static org.junit.Assert.assertEquals;
23  
24  import org.junit.Ignore;
25  import org.junit.Test;
26  
27  /**
28   * http://kenai.com/projects/javaoctave/pages/SimpleExampleOfJavaOctaveUsage
29   */
30  public class SimpleExampleTest {
31  
32      /** Test */
33      @Test public void test() {
34          // Begin web text
35          final OctaveEngine octave = new OctaveEngineFactory().getScriptEngine();
36          final OctaveDouble a = new OctaveDouble(new double[] {1, 2, 3, 4 }, 
37  						2, 2);
38          octave.put("a", a);
39          final String func = "" //
40                  + "function res = my_func(a)\n" //
41                  + " res = 2 * a;\n" //
42                  + "endfunction\n" //
43                  + "";
44          octave.eval(func);
45          octave.eval("b = my_func(a);");
46          final OctaveDouble b = octave.get(OctaveDouble.class, "b");
47          octave.close();
48          // End web text
49          assertEquals(8.0, b.get(2, 2), 0.0);
50      }
51  
52  }