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()

        FastMultiByteArrayOutputStream out = new FastMultiByteArrayOutputStream(4096);
        DataOutputStream data = new DataOutputStream(out);
        Random rand = new Random(3333);
        for(int times = 0; times < 3; times++) {
            for(int i = 0; i < 10000; i++) {
                data.writeDouble(rand.nextGaussian());
            }
            probe(out.toByteArray_clear());
        }
    }

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        FastMultiByteArrayOutputStream out = new FastMultiByteArrayOutputStream(4096);
        DataOutputStream data = new DataOutputStream(out);
        Random rand = new Random(3333);
        for(int times = 0; times < 3; times++) {
            for(int i = 0; i < 10000; i++) {
                data.writeDouble(rand.nextGaussian());
            }
            probe(out.toByteArray_clear());
        }
    }

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    IndexIterator iterA = data.getIndexIterator();
    Class classType = data.getElementType();


    if (classType == double.class) {
      while (iterA.hasNext())
        outStream.writeDouble(iterA.getDoubleNext());


    } else if (classType == float.class) {
      while (iterA.hasNext())
        outStream.writeFloat(iterA.getFloatNext());

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    IndexIterator iterA = result.getIndexIterator();
    Class classType = result.getElementType();


    if (classType == double.class) {
      while (iterA.hasNext())
        outStream.writeDouble(iterA.getDoubleNext());


    } else if (classType == float.class) {
      while (iterA.hasNext())
        outStream.writeFloat(iterA.getFloatNext());

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        o.writeByte((byte)2);
        o.writeShort((short)2);
        o.writeInt(2);
        o.writeLong(2L);
        o.writeFloat(1.1f);
        o.writeDouble(1.1);
        byte[] src = bo.toByteArray();


        LinkedBufferInput b = new LinkedBufferInput(1024);


        for(int i=0; i < 2; i++) {

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        o.writeByte((byte)2);
        o.writeShort((short)2);
        o.writeInt(2);
        o.writeLong(2L);
        o.writeFloat(1.1f);
        o.writeDouble(1.1);
        byte[] src = bo.toByteArray();


        LinkedBufferInput b = new LinkedBufferInput(1024);


        for(int i=0; i < 2; i++) {

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        o2.writeInt(2);
        o1.writeLong(2L);
        o2.writeLong(2L);
        o1.writeFloat(1.1f);
        o2.writeFloat(1.1f);
        o1.writeDouble(1.1);
        o2.writeDouble(1.1);
        byte[] b1 = bo.toByteArray();
        byte[] b2 = o2.toByteArray();
        assertEquals(b1.length, b2.length);
        assertArrayEquals(b1, b2);

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        o2.writeByteAndLong((byte)9, 2L);
        o1.writeByte((byte)9);
        o1.writeFloat(1.1f);
        o2.writeByteAndFloat((byte)9, 1.1f);
        o1.writeByte((byte)9);
        o1.writeDouble(1.1);
        o2.writeByteAndDouble((byte)9, 1.1);
        byte[] b1 = bo.toByteArray();
        byte[] b2 = o2.toByteArray();
        assertEquals(b1.length, b2.length);
        assertArrayEquals(b1, b2);

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                Vector timeSlice = 
                    sspace.getVectorBetween(word, timestep, timestep + 1);
                if (timeSlice != null) {
                    dos.writeLong(timestep);
                    for (int i = 0; i < timeSlice.length(); ++i) {
                        dos.writeDouble(timeSlice.getValue(i).doubleValue());
                    }
                }
            }
        }
        dos.close();

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                    dos.writeInt(nonZero);
                    for (int i = 0; i < timeSlice.length(); ++i) {
                        double d = timeSlice.getValue(i).doubleValue();
                        if (d != 0d) {
                            dos.writeInt(i);
                            dos.writeDouble(d);
                        }
                    }
                }
            }
        }

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