List of usage examples for java.io DataOutputStream writeDouble
public final void writeDouble(double v) throws IOException
long using the doubleToLongBits method in class Double, and then writes that long value to the underlying output stream as an 8-byte quantity, high byte first. From source file:Main.java
public static void writeSettings(String file, Object... objs) throws IOException { DataOutputStream out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(file), 1024)); try {//from w ww. java2 s .c o m out.writeInt(objs.length); for (Object obj : objs) { char cl; if (obj instanceof Byte) { cl = 'Y'; } else { cl = obj.getClass().getSimpleName().charAt(0); } out.writeChar(cl); if (obj instanceof String) { out.writeUTF((String) obj); } else if (obj instanceof Float) { out.writeFloat((Float) obj); } else if (obj instanceof Double) { out.writeDouble((Double) obj); } else if (obj instanceof Integer) { out.writeInt((Integer) obj); } else if (obj instanceof Long) { out.writeLong((Long) obj); } else if (obj instanceof Boolean) { out.writeBoolean((Boolean) obj); } else { throw new IllegalStateException("Unsupported type"); } } } finally { out.close(); } }
From source file:net.datenwerke.transloader.primitive.WrapperConverter.java
private static void write(Object wrapper, DataOutputStream dataStream) throws IOException { char typeCode = getTypeCode(wrapper); switch (typeCode) { case 'B': dataStream.writeByte(intValue(wrapper)); break;/* ww w .j a v a2 s. c o m*/ case 'C': dataStream.writeChar(charValue(wrapper)); break; case 'S': dataStream.writeShort(intValue(wrapper)); break; case 'I': dataStream.writeInt(intValue(wrapper)); break; case 'J': dataStream.writeLong(number(wrapper).longValue()); break; case 'F': dataStream.writeFloat(number(wrapper).floatValue()); break; case 'D': dataStream.writeDouble(number(wrapper).doubleValue()); break; case 'Z': dataStream.writeBoolean(booleanValue(wrapper)); } }
From source file:marytts.util.io.FileUtils.java
public static void writeBinaryFile(double[] x, DataOutputStream d) throws IOException { for (int i = 0; i < x.length; i++) d.writeDouble(x[i]); }
From source file:org.hyperic.hq.measurement.agent.server.SenderThread.java
private static String encodeRecord(Record record) throws IOException { ByteArrayOutputStream bOs;//from w w w.j a va2s . com DataOutputStream dOs; bOs = new ByteArrayOutputStream(); dOs = new DataOutputStream(bOs); dOs.writeInt(record.derivedID); dOs.writeLong(record.data.getTimestamp()); dOs.writeInt(record.dsnId); dOs.writeDouble(record.data.getValue()); return Base64.encode(bOs.toByteArray()); }
From source file:RealFunctionValidation.java
public static Object readAndWritePrimitiveValue(final DataInputStream in, final DataOutputStream out, final Class<?> type) throws IOException { if (!type.isPrimitive()) { throw new IllegalArgumentException("type must be primitive"); }/*from w w w .ja v a 2 s . co m*/ if (type.equals(Boolean.TYPE)) { final boolean x = in.readBoolean(); out.writeBoolean(x); return Boolean.valueOf(x); } else if (type.equals(Byte.TYPE)) { final byte x = in.readByte(); out.writeByte(x); return Byte.valueOf(x); } else if (type.equals(Character.TYPE)) { final char x = in.readChar(); out.writeChar(x); return Character.valueOf(x); } else if (type.equals(Double.TYPE)) { final double x = in.readDouble(); out.writeDouble(x); return Double.valueOf(x); } else if (type.equals(Float.TYPE)) { final float x = in.readFloat(); out.writeFloat(x); return Float.valueOf(x); } else if (type.equals(Integer.TYPE)) { final int x = in.readInt(); out.writeInt(x); return Integer.valueOf(x); } else if (type.equals(Long.TYPE)) { final long x = in.readLong(); out.writeLong(x); return Long.valueOf(x); } else if (type.equals(Short.TYPE)) { final short x = in.readShort(); out.writeShort(x); return Short.valueOf(x); } else { // This should never occur. throw new IllegalStateException(); } }
From source file:com.anhth12.word2vec.VocabWord.java
public void write(DataOutputStream out) throws IOException { out.writeDouble(this.wordFrequency.get()); }
From source file:org.deeplearning4j.models.word2vec.VocabWord.java
public void write(DataOutputStream dos) throws IOException { dos.writeDouble(wordFrequency.get()); }
From source file:TimeComputation.java
public void run() throws IOException { DataOutputStream n = new DataOutputStream(new BufferedOutputStream(new FileOutputStream("java2s"))); long t0, t1;//w ww. j ava2 s . com System.out.println("Java Starts at " + (t0 = System.currentTimeMillis())); double k; for (int i = 0; i < 100000; i++) { k = 2.1 * Math.sqrt((double) i); n.writeDouble(k); } System.out.println("Java Ends at " + (t1 = System.currentTimeMillis())); double deltaT = t1 - t0; System.out.println("This run took " + DecimalFormat.getInstance().format(deltaT / 1000.) + " seconds."); }
From source file:com.ebay.nest.io.sede.lazy.LazyUtils.java
/** * Write out a binary representation of a PrimitiveObject to a byte stream. * * @param out ByteStream.Output, an unsynchronized version of ByteArrayOutputStream, used as a * backing buffer for the the DataOutputStream * @param o the PrimitiveObject//from w ww .j a v a 2 s. co m * @param oi the PrimitiveObjectInspector * @throws IOException on error during the write operation */ public static void writePrimitive(OutputStream out, Object o, PrimitiveObjectInspector oi) throws IOException { DataOutputStream dos = new DataOutputStream(out); try { switch (oi.getPrimitiveCategory()) { case BOOLEAN: boolean b = ((BooleanObjectInspector) oi).get(o); dos.writeBoolean(b); break; case BYTE: byte bt = ((ByteObjectInspector) oi).get(o); dos.writeByte(bt); break; case SHORT: short s = ((ShortObjectInspector) oi).get(o); dos.writeShort(s); break; case INT: int i = ((IntObjectInspector) oi).get(o); dos.writeInt(i); break; case LONG: long l = ((LongObjectInspector) oi).get(o); dos.writeLong(l); break; case FLOAT: float f = ((FloatObjectInspector) oi).get(o); dos.writeFloat(f); break; case DOUBLE: double d = ((DoubleObjectInspector) oi).get(o); dos.writeDouble(d); break; default: throw new RuntimeException("Hive internal error."); } } finally { // closing the underlying ByteStream should have no effect, the data should still be // accessible dos.close(); } }
From source file:uk.ac.ebi.mdk.io.ReactionMatrixIO.java
public static void writeCompressedBasicStoichiometricMatrix(StoichiometricMatrix<?, ?> s, OutputStream writer) throws IOException { DataOutputStream out = new DataOutputStream(new BufferedOutputStream(writer, 2048)); int n = s.getMoleculeCount(); int m = s.getReactionCount(); out.writeInt(n);//from w w w . j a v a 2 s. co m out.writeInt(m); for (int j = 0; j < m; j++) { out.writeUTF(s.getReaction(j).toString()); } for (int i = 0; i < n; i++) { out.writeUTF(s.getMolecule(i).toString()); } out.writeBoolean(convertDoubles); out.writeInt(s.getNonNullCount()); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { // if the value is null if (convertDoubles) { int value = s.get(i, j).intValue(); if (value != 0) { out.writeInt(i); out.writeInt(j); out.writeInt(value); } } else { double value = s.get(i, j); if (value != 0d) { out.writeInt(i); out.writeInt(j); out.writeDouble(value); } } } } out.close(); }