Examples of java.io.DataOutputStream.writeDouble()

java.io.DataOutputStream.writeDouble()
Writes a 64-bit double to this output stream. The resulting output is the 8 bytes resulting from calling Double.doubleToLongBits(). @param val the double to be written. @throws IOException If an error occurs attempting to write to this DataOutputStream. @see DataInput#readDouble()

  
  public static void writeDoubleByRow(int[][] data,String outputFile) throws IOException{
    DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
    for(int rowIndex=0; rowIndex<data.length; ++rowIndex){
      for(int columnIndex=0; columnIndex<data[rowIndex].length; ++columnIndex){
        out.writeDouble(data[rowIndex][columnIndex]);
      }
    }
    out.close();
  }

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  public static void writeDoubleByColumn(int[][] data,String outputFile) throws IOException{
    DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
    for(int columnIndex=0; columnIndex<data[0].length; ++columnIndex){
      for(int rowIndex=0; rowIndex<data.length; ++rowIndex){
        out.writeDouble(data[rowIndex][columnIndex]);
      }
    }
    out.close();
  }

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  public static void writeDoubleByRow(boolean[][] data,String outputFile) throws IOException{
    DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
    for(int rowIndex=0; rowIndex<data.length; ++rowIndex){
      for(int columnIndex=0; columnIndex<data[rowIndex].length; ++columnIndex){
        out.writeDouble(data[rowIndex][columnIndex]?1:0);
      }
    }
    out.close();
  }

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  public static void writeDoubleByColumn(boolean[][] data,String outputFile) throws IOException{
    DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
    for(int columnIndex=0; columnIndex<data[0].length; ++columnIndex){
      for(int rowIndex=0; rowIndex<data.length; ++rowIndex){
        out.writeDouble(data[rowIndex][columnIndex]?1:0);
      }
    }
    out.close();
  }

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    public static void writeDouble(double[][][] data,String outputFile) throws IOException{
      DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
      for(int i=0; i<data.length; ++i){
        for(int j=0; j<data[i].length; ++j){
          for(int k=0; k<data[i][j].length; ++k)
          out.writeDouble(data[i][j][k]);
        }
      }
      out.close();
    }

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    public static void writeDouble(float[][][] data,String outputFile) throws IOException{
      DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
      for(int i=0; i<data.length; ++i){
        for(int j=0; j<data[i].length; ++j){
          for(int k=0; k<data[i][j].length; ++k)
          out.writeDouble(data[i][j][k]);
        }
      }
      out.close();
    }

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    public static void writeDouble(int[][][] data,String outputFile) throws IOException{
      DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
      for(int i=0; i<data.length; ++i){
        for(int j=0; j<data[i].length; ++j){
          for(int k=0; k<data[i][j].length; ++k)
          out.writeDouble(data[i][j][k]);
        }
      }
      out.close();
    }

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    public static void writeDouble(boolean[][][] data,String outputFile) throws IOException{
      DataOutputStream out = new DataOutputStream(new FileOutputStream(outputFile));
      for(int i=0; i<data.length; ++i){
        for(int j=0; j<data[i].length; ++j){
          for(int k=0; k<data[i][j].length; ++k)
          out.writeDouble(data[i][j][k]?1:0);
        }
      }
      out.close();
    }

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      byte[] bytes = null;
      ByteArrayOutputStream dout = new ByteArrayOutputStream();
      DataOutputStream output = new DataOutputStream(dout);
      try {
        if (value instanceof Double) {
          output.writeDouble(value.doubleValue());
        } else if (value instanceof Float) {
          output.writeFloat(value.floatValue());
        } else if (value instanceof Integer) {
          output.writeInt(value.intValue());
        } else if (value instanceof Short) {

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            canon.write(v);
        }
        {
            double v = rnd.nextDouble();
            test.writeDouble(v);
            canon.writeDouble(v);
        }
        {
            float v = (float) rnd.nextDouble();
            test.writeFloat(v);
            canon.writeFloat(v);

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