Examples of fr.lip6.jkernelmachines.io.FvecImporter.readFile()

Class fr.lip6.jkernelmachines.io.FvecImporter

Examples of fr.lip6.jkernelmachines.io.FvecImporter.readFile()

fr.lip6.jkernelmachines.io.FvecImporter.readFile()
Reads a file in fvec (INRIA) format and return the samples as a list of double arrays. @param filename to file to read @return a list of the samples as double arrays @throws IOException

    FvecImporter fvecimp = new FvecImporter();


    // read train features
    List<double[]> feat = null;
    try {
      feat = fvecimp.readFile(args[1]);
    } catch (IOException e1) {
      System.out.println("Unable to read train features: " + args[1]);
      return;
    }

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    }
    System.out.println("Train features loaded.");


    // load test features
    try {
      feat = fvecimp.readFile(args[3]);
    } catch (IOException e1) {
      System.out.println("Unable to read test features: " + args[3]);
      return;
    }

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   */
  @Test
  public final void testReadFile() {
    try {
      FvecImporter fvecimp = new FvecImporter();
      List<double[]> l = fvecimp.readFile("resources/dict.fvec");
      assertEquals(32, l.size());
      assertEquals(40, l.get(0).length);
    }
    catch(IOException e) {

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      File f = new File("resources/testwrite.fvec");
      
      assertEquals(4+4*10, f.length());
      
      
      l = fvecimp.readFile("resources/testwrite.fvec");
      assertEquals(10, l.get(0).length);
      for(int i = 0 ; i < 10 ; i++)
        assertEquals(i, l.get(0)[i], 1e-7);
      
      f.delete();

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