Java Code Examples for java.nio.IntBuffer#allocate()

The following examples show how to use java.nio.IntBuffer#allocate() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestBufferDirectSequentialNumberCellIndexByte.java    From multiple-dimension-spread with Apache License 2.0 6 votes vote down vote up 
@Test
public void T_byte_filter_6() throws IOException{
  List<PrimitiveObject> dic = new ArrayList<PrimitiveObject>();
  dic.add( new ByteObj( (byte) 10 ) );
  dic.add( new ByteObj( (byte) 20 ) );
  dic.add( new ByteObj( (byte) 30 ) );
  dic.add( new ByteObj( (byte) 40 ) );
  dic.add( new ByteObj( (byte) 50 ) );
  IntBuffer buffer = IntBuffer.allocate( 100 );
  for( int i = 0 ; i < 100 ; i++ ){
    buffer.put( i % 5 );
  }
  ICellIndex index = new BufferDirectSequentialNumberCellIndex( ColumnType.BYTE , new TestDicManager( dic ) , buffer );
  IFilter filter = new NumberFilter( NumberFilterType.GE , new ByteObj( (byte) 40 ) );

  FilterdExpressionIndex result = new FilterdExpressionIndex( index.filter( filter , new boolean[100] ) );
  assertEquals( result.size() , 40 );
  for( int i = 0,n=0 ; n < 100 ; i+=2,n+=5 ){
    assertEquals( result.get(i) , n+3 );
    assertEquals( result.get(i+1) , n+4 );
  }
}
Example 2
Source File: DwGLSLShader.java    From PixelFlow with MIT License 6 votes vote down vote up 
public static void getShaderInfoLog(GL2ES2 gl, int shader_id, String info) {
  if(shader_id==-1) return;

  IntBuffer log_len = IntBuffer.allocate(1);
  gl.glGetShaderiv(shader_id, GL2ES2.GL_INFO_LOG_LENGTH, log_len);

  ByteBuffer buffer = ByteBuffer.allocate(log_len.get(0));
  gl.glGetShaderInfoLog(shader_id, log_len.get(0), null, buffer);

  String log = Charset.forName("US-ASCII").decode(buffer).toString();

  if( log.length() > 1 && log.charAt(0) != 0){
    System.out.println(info);
    System.out.println(log);
  }
}
Example 3
Source File: TestBufferDirectSequentialNumberCellIndexShort.java    From yosegi with Apache License 2.0 6 votes vote down vote up 
@Test
public void T_short_filter_7() throws IOException{
  List<PrimitiveObject> dic = new ArrayList<PrimitiveObject>();
  dic.add( new ShortObj( (short) 1000 ) );
  dic.add( new ShortObj( (short) 2000 ) );
  dic.add( new ShortObj( (short) 3000 ) );
  dic.add( new ShortObj( (short) 4000 ) );
  dic.add( new ShortObj( (short) 5000 ) );
  IntBuffer buffer = IntBuffer.allocate( 100 );
  for( int i = 0 ; i < 100 ; i++ ){
    buffer.put( i % 5 );
  }
  ICellIndex index = new BufferDirectSequentialNumberCellIndex( ColumnType.SHORT , new TestDicManager( dic ) , buffer );
  IFilter filter = new NumberFilter( NumberFilterType.GE , new LongObj( Long.valueOf( Short.MAX_VALUE ) + (long)1 ) );

  assertEquals( null , index.filter( filter , new boolean[100] ) );
}
Example 4
Source File: TestBufferDirectSequentialNumberCellIndexByte.java    From yosegi with Apache License 2.0 6 votes vote down vote up 
@Test
public void T_byte_filter_6() throws IOException{
  List<PrimitiveObject> dic = new ArrayList<PrimitiveObject>();
  dic.add( new ByteObj( (byte) 10 ) );
  dic.add( new ByteObj( (byte) 20 ) );
  dic.add( new ByteObj( (byte) 30 ) );
  dic.add( new ByteObj( (byte) 40 ) );
  dic.add( new ByteObj( (byte) 50 ) );
  IntBuffer buffer = IntBuffer.allocate( 100 );
  for( int i = 0 ; i < 100 ; i++ ){
    buffer.put( i % 5 );
  }
  ICellIndex index = new BufferDirectSequentialNumberCellIndex( ColumnType.BYTE , new TestDicManager( dic ) , buffer );
  IFilter filter = new NumberFilter( NumberFilterType.GE , new ByteObj( (byte) 40 ) );

  FilterdExpressionIndex result = new FilterdExpressionIndex( index.filter( filter , new boolean[100] ) );
  assertEquals( result.size() , 40 );
  for( int i = 0,n=0 ; n < 100 ; i+=2,n+=5 ){
    assertEquals( result.get(i) , n+3 );
    assertEquals( result.get(i+1) , n+4 );
  }
}
Example 5
Source File: TestBufferDirectSequentialNumberCellIndexByte.java    From multiple-dimension-spread with Apache License 2.0 6 votes vote down vote up 
@Test
public void T_byte_filter_1() throws IOException{
  List<PrimitiveObject> dic = new ArrayList<PrimitiveObject>();
  dic.add( new ByteObj( (byte) 10 ) );
  dic.add( new ByteObj( (byte) 20 ) );
  dic.add( new ByteObj( (byte) 30 ) );
  dic.add( new ByteObj( (byte) 40 ) );
  dic.add( new ByteObj( (byte) 50 ) );
  IntBuffer buffer = IntBuffer.allocate( 100 );
  for( int i = 0 ; i < 100 ; i++ ){
    buffer.put( i % 5 );
  }
  ICellIndex index = new BufferDirectSequentialNumberCellIndex( ColumnType.BYTE , new TestDicManager( dic ) , buffer );
  IFilter filter = new NumberFilter( NumberFilterType.EQUAL , new ByteObj( (byte) 10 ) );

  FilterdExpressionIndex result = new FilterdExpressionIndex( index.filter( filter , new boolean[100] ) );
  assertEquals( result.size() , 20 );
  for( int i = 0,n=0 ; n < 100 ; i++,n+=5 ){
    assertEquals( result.get(i) , n );
  }
}
Example 6
Source File: TestBufferDirectSequentialNumberCellIndexShort.java    From yosegi with Apache License 2.0 6 votes vote down vote up 
@Test
public void T_short_filter_6() throws IOException{
  List<PrimitiveObject> dic = new ArrayList<PrimitiveObject>();
  dic.add( new ShortObj( (short) 1000 ) );
  dic.add( new ShortObj( (short) 2000 ) );
  dic.add( new ShortObj( (short) 3000 ) );
  dic.add( new ShortObj( (short) 4000 ) );
  dic.add( new ShortObj( (short) 5000 ) );
  IntBuffer buffer = IntBuffer.allocate( 100 );
  for( int i = 0 ; i < 100 ; i++ ){
    buffer.put( i % 5 );
  }
  ICellIndex index = new BufferDirectSequentialNumberCellIndex( ColumnType.SHORT , new TestDicManager( dic ) , buffer );
  IFilter filter = new NumberFilter( NumberFilterType.GE , new ShortObj( (short) 4000 ) );

  FilterdExpressionIndex result = new FilterdExpressionIndex( index.filter( filter , new boolean[100] ) );
  assertEquals( result.size() , 40 );
  for( int i = 0,n=0 ; n < 100 ; i+=2,n+=5 ){
    assertEquals( result.get(i) , n+3 );
    assertEquals( result.get(i+1) , n+4 );
  }
}
Example 7
Source File: TestBufferDirectSequentialNumberCellIndexByte.java    From yosegi with Apache License 2.0 6 votes vote down vote up 
@Test
public void T_byte_filter_1() throws IOException{
  List<PrimitiveObject> dic = new ArrayList<PrimitiveObject>();
  dic.add( new ByteObj( (byte) 10 ) );
  dic.add( new ByteObj( (byte) 20 ) );
  dic.add( new ByteObj( (byte) 30 ) );
  dic.add( new ByteObj( (byte) 40 ) );
  dic.add( new ByteObj( (byte) 50 ) );
  IntBuffer buffer = IntBuffer.allocate( 100 );
  for( int i = 0 ; i < 100 ; i++ ){
    buffer.put( i % 5 );
  }
  ICellIndex index = new BufferDirectSequentialNumberCellIndex( ColumnType.BYTE , new TestDicManager( dic ) , buffer );
  IFilter filter = new NumberFilter( NumberFilterType.EQUAL , new ByteObj( (byte) 10 ) );

  FilterdExpressionIndex result = new FilterdExpressionIndex( index.filter( filter , new boolean[100] ) );
  assertEquals( result.size() , 20 );
  for( int i = 0,n=0 ; n < 100 ; i++,n+=5 ){
    assertEquals( result.get(i) , n );
  }
}
Example 8
Source File: UnsafeOptimizeDoubleColumnBinaryMaker.java    From yosegi with Apache License 2.0 6 votes vote down vote up 
@Override
public IntBuffer getIndexIntBuffer(
    final byte[] buffer ,
    final int start ,
    final int length ,
    ByteOrder order ) throws IOException {
  int size = length / Integer.BYTES;
  IReadSupporter wrapBuffer =
      ByteBufferSupporterFactory.createReadSupporter( buffer , start , length , order );
  IntBuffer result = IntBuffer.allocate( size );
  for ( int i = 0 ; i < size ; i++ ) {
    result.put( wrapBuffer.getInt() );
  }
  result.position( 0 );
  return result;
}
Example 9
Source File: DoubleArrayTrie.java    From deeplearning4j with Apache License 2.0 5 votes vote down vote up 
/**
 * Construct double array trie which is equivalent to input trie
 *
 * @param trie  normal trie, which contains all dictionary words
 */
public void build(Trie trie) {
    ProgressLog.begin("building " + (compact ? "compact" : "sparse") + " trie");
    baseBuffer = IntBuffer.allocate(BASE_CHECK_INITIAL_SIZE);
    baseBuffer.put(0, 1);
    checkBuffer = IntBuffer.allocate(BASE_CHECK_INITIAL_SIZE);
    tailBuffer = CharBuffer.allocate(TAIL_INITIAL_SIZE);
    add(-1, 0, trie.getRoot());
    reportUtilizationRate();
    ProgressLog.end();
}
Example 10
Source File: UnsafeOptimizeFloatColumnBinaryMaker.java    From multiple-dimension-spread with Apache License 2.0 5 votes vote down vote up 
@Override
public IntBuffer getIndexIntBuffer( final byte[] buffer , final int start , final int length , final ByteOrder order ) throws IOException{
  int size = length / Byte.BYTES;
  IReadSupporter wrapBuffer = ByteBufferSupporterFactory.createReadSupporter( buffer , start , length , order );
  IntBuffer result = IntBuffer.allocate( size );
  for( int i = 0 ; i < size ; i++ ){
    result.put( NumberToBinaryUtils.getUnsignedByteToInt( wrapBuffer.getByte() ) );
  }
  result.position( 0 );
  return result;
}
Example 11
Source File: JnaUtils.java    From djl with Apache License 2.0 5 votes vote down vote up 
public static String[] listSymbolNames(Pointer symbol) {
    IntBuffer size = IntBuffer.allocate(1);
    PointerByReference ref = new PointerByReference();

    checkCall(LIB.NNSymbolListInputNames(symbol, 0, size, ref));

    return toStringArray(ref, size.get());
}
Example 12
Source File: PointCloud.java    From PapARt with GNU Lesser General Public License v3.0 5 votes vote down vote up 
protected static IntBuffer allocateIntBuffer(int size) {
    if (USE_DIRECT_BUFFERS) {
        return allocateDirectIntBuffer(size);
    } else {
        return IntBuffer.allocate(size);
    }
}
Example 13
Source File: OpusDecoder.java    From ts3j with Apache License 2.0 5 votes vote down vote up 
public OpusDecoder(int sampleRate, int frameSize, int channels) {
    this.channels = channels;
    this.sampleRate = sampleRate;
    this.frameSize = frameSize;

    IntBuffer errorBuffer = IntBuffer.allocate(1);

    decoder = Opus.INSTANCE.opus_decoder_create(
            sampleRate,
            channels,
            errorBuffer
    );

    OpusUtil.checkError("opus_decoder_create", errorBuffer.get());
}
Example 14
Source File: DwGLSLProgram.java    From PixelFlow with MIT License 5 votes vote down vote up 
public static void getProgramValidateStatus(GL2ES2 gl, int program_id) {
  if(program_id==-1) return;
  
  IntBuffer log_len = IntBuffer.allocate(1);
  gl.glGetProgramiv(program_id, GL2ES2.GL_VALIDATE_STATUS, log_len);
  
  ByteBuffer buffer = ByteBuffer.allocate(log_len.get(0));
  gl.glGetProgramInfoLog(program_id, log_len.get(0), null, buffer);
  
  String log = Charset.forName("US-ASCII").decode(buffer).toString();
  
  if( log.length() > 1 && log.charAt(0) != 0){
    System.out.println(log);
  }
}
Example 15
Source File: GeoPathFinding.java    From L2jBrasil with GNU General Public License v3.0 5 votes vote down vote up 
private void LoadPathNodeFile(byte rx,byte ry)
{
	String fname = "./data/pathnode/"+rx+"_"+ry+".pn";
	short regionoffset = getRegionOffset(rx,ry);
	_log.info("PathFinding Engine: - Loading: "+fname+" -> region offset: "+regionoffset+"X: "+rx+" Y: "+ry);
	File Pn = new File(fname);
	int node = 0,size, index = 0;
	try {
        // Create a read-only memory-mapped file
        FileChannel roChannel = new RandomAccessFile(Pn, "r").getChannel();
		size = (int)roChannel.size();
		MappedByteBuffer nodes;
		if (Config.FORCE_GEODATA) //Force O/S to Loads this buffer's content into physical memory.
			//it is not guarantee, because the underlying operating system may have paged out some of the buffer's data
			nodes = roChannel.map(FileChannel.MapMode.READ_ONLY, 0, size).load();
		else
			nodes = roChannel.map(FileChannel.MapMode.READ_ONLY, 0, size);

		// Indexing pathnode files, so we will know where each block starts
		IntBuffer indexs = IntBuffer.allocate(65536);

		while(node < 65536)
		{
			byte layer = nodes.get(index);
	        indexs.put(node, index);
			node++;
			index += layer*10+1;
		}
		_pathNodesIndex.put(regionoffset, indexs);
		_pathNodes.put(regionoffset, nodes);
	} catch (Exception e)
	{
		e.printStackTrace();
		_log.warning("Failed to Load PathNode File: "+fname+"\n");
    }

}
Example 16
Source File: AndroidGL.java    From jmonkeyengine with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
@Override
public int glGetQueryObjectiv(int query, int pname) {
    IntBuffer buff = IntBuffer.allocate(1);
    GLES30.glGetQueryiv(query, pname, buff);
    return buff.get(0);
}
Example 17
Source File: PluggableJSObjectTest.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
public BufferObject(final int size) {
    buf = IntBuffer.allocate(size);
}
Example 18
Source File: IntTensorTypeSupport.java    From datacollector with Apache License 2.0 4 votes vote down vote up 
@Override
public IntBuffer allocateBuffer(long[] shape) {
  return IntBuffer.allocate(calculateCapacityForShape(shape));
}
Example 19
Source File: GPU.java    From DeviceInfo with Apache License 2.0 4 votes vote down vote up 
public synchronized static int[] glGetIntegerv(int value, int size) {
    final IntBuffer buffer = IntBuffer.allocate(size);
    GLES10.glGetIntegerv(value, buffer);
    return buffer.array();
}
Example 20
Source File: PluggableJSObjectTest.java    From jdk8u_nashorn with GNU General Public License v2.0 4 votes vote down vote up 
public BufferObject(final int size) {
    buf = IntBuffer.allocate(size);
}