Example usage for java.nio ByteBuffer getFloat

Introduction

In this page you can find the example usage for java.nio ByteBuffer getFloat.

Prototype

public abstract float getFloat();

Source Link

Document

Returns the float at the current position and increases the position by 4.

Usage

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);

    bb.asFloatBuffer().put(994.7F);//from   w  w  w .ja  v a 2  s  .co  m
    System.out.println(bb.getFloat());
}

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From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);

    bb.asFloatBuffer().put(99471142);//from  w  w  w .  ja v  a2  s .  c  o m
    System.out.println(bb.getFloat());
}

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From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);

    bb.asFloatBuffer().put(994.7F);//  ww w  .j ava  2  s . co m
    bb.rewind();
    System.out.println(bb.getFloat());
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    ByteBuffer buf = ByteBuffer.allocate(100);

    // Put values of different types
    buf.putFloat(12.3F);/*from   w ww.j a v a 2s .co  m*/

    // Reset position for reading
    buf.flip();

    // Retrieve the values
    float f = buf.getFloat();

}

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From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);
    bb.asIntBuffer().put(99471142);/* w  ww . ja  v  a2 s  . c  om*/
    System.out.println(bb.getInt());

    bb = ByteBuffer.allocate(BSIZE);
    bb.asLongBuffer().put(99472342341142L);
    System.out.println(bb.getLong());

    bb = ByteBuffer.allocate(BSIZE);

    bb.asFloatBuffer().put(99471142);
    System.out.println(bb.getFloat());

    bb = ByteBuffer.allocate(BSIZE);

    bb.asDoubleBuffer().put(99471142);
    System.out.println(bb.getDouble());

}

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From source file:GetData.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);
    // Allocation automatically zeroes the ByteBuffer:
    int i = 0;//from  w  w w  .  ja v  a 2 s . c  o m
    while (i++ < bb.limit())
        if (bb.get() != 0)
            System.out.println("nonzero");
    System.out.println("i = " + i);
    bb.rewind();
    // Store and read a char array:
    bb.asCharBuffer().put("Howdy!");
    char c;
    while ((c = bb.getChar()) != 0)
        System.out.print(c + " ");
    System.out.println();
    bb.rewind();
    // Store and read a short:
    bb.asShortBuffer().put((short) 471142);
    System.out.println(bb.getShort());
    bb.rewind();
    // Store and read an int:
    bb.asIntBuffer().put(99471142);
    System.out.println(bb.getInt());
    bb.rewind();
    // Store and read a long:
    bb.asLongBuffer().put(99471142);
    System.out.println(bb.getLong());
    bb.rewind();
    // Store and read a float:
    bb.asFloatBuffer().put(99471142);
    System.out.println(bb.getFloat());
    bb.rewind();
    // Store and read a double:
    bb.asDoubleBuffer().put(99471142);
    System.out.println(bb.getDouble());
    bb.rewind();

}

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From source file:org.bimserver.utils.BinUtils.java

public static float byteArrayToFloat(byte[] data) {
    ByteBuffer byteBuffer = ByteBuffer.wrap(data);
    return byteBuffer.getFloat();
}

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From source file:ConversionUtil.java

public static float convertToFloat(byte[] array) {
    ByteBuffer buffer = ByteBuffer.wrap(array);
    return buffer.getFloat();
    /*/*from w ww  .  ja  v a  2  s . co  m*/
    int intValue = convertToInt(array);
    return Float.intBitsToFloat(intValue);
     */
}

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From source file:org.bimserver.collada.SupportFunctions.java

public static List<String> floatBufferToStringList(ByteBuffer buffer, Format formatter) {
    // Transform the array into a list.
    List<Float> list = new ArrayList<Float>();
    while (buffer.hasRemaining())
        list.add(new Float(buffer.getFloat()));
    // Get the data as a list of String objects.
    return SupportFunctions.listToStringList(list, formatter);
}

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From source file:au.org.ala.layers.grid.GridCacheBuilder.java

static public float getNextValue(RandomAccessFile raf, Grid g) {
    float f = Float.NaN;
    try {//from  ww  w. j  a  va2 s.c o  m
        int size;
        byte[] b;
        if (g.datatype.charAt(0) == 'B') {//"BYTE")) {
            f = raf.readByte();
        } else if (g.datatype.charAt(0) == 'U') {//equalsIgnoreCase("UBYTE")) {
            f = raf.readByte();
            if (f < 0) {
                f += 256;
            }
        } else if (g.datatype.charAt(0) == 'S') {//equalsIgnoreCase("SHORT")) {
            size = 2;
            b = new byte[size];
            raf.read(b);
            if (g.byteorderLSB) {
                f = (short) (((0xFF & b[1]) << 8) | (b[0] & 0xFF));
            } else {
                f = (short) (((0xFF & b[0]) << 8) | (b[1] & 0xFF));
            }
        } else if (g.datatype.charAt(0) == 'I') {//equalsIgnoreCase("INT")) {
            size = 4;
            b = new byte[size];
            raf.read(b);
            if (g.byteorderLSB) {
                f = ((0xFF & b[3]) << 24) | ((0xFF & b[2]) << 16) + ((0xFF & b[1]) << 8) + (b[0] & 0xFF);
            } else {
                f = ((0xFF & b[0]) << 24)
                        | ((0xFF & b[1]) << 16) + ((0xFF & b[2]) << 8) + ((0xFF & b[3]) & 0xFF);
            }
        } else if (g.datatype.charAt(0) == 'L') {//equalsIgnoreCase("LONG")) {
            size = 8;
            b = new byte[size];
            raf.read(b);
            if (g.byteorderLSB) {
                f = ((long) (0xFF & b[7]) << 56) + ((long) (0xFF & b[6]) << 48) + ((long) (0xFF & b[5]) << 40)
                        + ((long) (0xFF & b[4]) << 32) + ((long) (0xFF & b[3]) << 24)
                        + ((long) (0xFF & b[2]) << 16) + ((long) (0xFF & b[1]) << 8) + (0xFF & b[0]);
            } else {
                f = ((long) (0xFF & b[0]) << 56) + ((long) (0xFF & b[1]) << 48) + ((long) (0xFF & b[2]) << 40)
                        + ((long) (0xFF & b[3]) << 32) + ((long) (0xFF & b[4]) << 24)
                        + ((long) (0xFF & b[5]) << 16) + ((long) (0xFF & b[6]) << 8) + (0xFF & b[7]);
            }
        } else if (g.datatype.charAt(0) == 'F') {//.equalsIgnoreCase("FLOAT")) {
            size = 4;
            b = new byte[size];
            raf.read(b);
            ByteBuffer bb = ByteBuffer.wrap(b);
            if (g.byteorderLSB) {
                bb.order(ByteOrder.LITTLE_ENDIAN);
            }
            f = bb.getFloat();

        } else if (g.datatype.charAt(0) == 'D') {//.equalsIgnoreCase("DOUBLE")) {
            size = 8;
            b = new byte[8];
            raf.read(b);
            ByteBuffer bb = ByteBuffer.wrap(b);
            if (g.byteorderLSB) {
                bb.order(ByteOrder.LITTLE_ENDIAN);
            }
            f = (float) bb.getDouble();
        }
        //replace not a number            
        if ((float) f == (float) g.nodatavalue) {
            f = Float.NaN;
        }
    } catch (Exception e) {
    }
    return f;
}

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