Example usage for java.nio FloatBuffer put

Introduction

In this page you can find the example usage for java.nio FloatBuffer put.

Prototype

public abstract FloatBuffer put(int index, float f);

Source Link

Document

Writes a float to the specified index of this buffer; the position is not changed.

Usage

From source file:Main.java

public static void main(String[] args) {
    FloatBuffer floatBuffer = FloatBuffer.allocate(10);

    floatBuffer.put(0, 1.23F);

    floatBuffer.rewind();// ww  w .java  2 s  .com

    FloatBuffer floatBuffer1 = floatBuffer.duplicate();

    System.out.println(floatBuffer.equals(floatBuffer1));

}

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From source file:Main.java

public static void main(String[] args) {
    FloatBuffer floatBuffer = FloatBuffer.allocate(10);

    floatBuffer.put(0, 1.23F);

    floatBuffer.rewind();//w  w w. j  a va  2s  . c  om

    FloatBuffer floatBuffer1 = floatBuffer.slice();

    System.out.println(floatBuffer.equals(floatBuffer1));

}

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From source file:Main.java

public static void main(String[] args) {
    FloatBuffer floatBuffer = FloatBuffer.allocate(10);

    floatBuffer.put(0, 1.23F);

    floatBuffer.rewind();/*from  ww w .j  a  va  2s . c  o m*/

    FloatBuffer floatBuffer1 = floatBuffer.compact();

    System.out.println(floatBuffer.equals(floatBuffer1));

}

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From source file:Main.java

public static void main(String[] args) {
    FloatBuffer floatBuffer = FloatBuffer.allocate(10);

    floatBuffer.put(0, 1.23F);

    floatBuffer.rewind();/*from   w  w  w  .  j a v  a2  s.c  o  m*/

    FloatBuffer floatBuffer1 = floatBuffer.compact();

    System.out.println(floatBuffer.compareTo(floatBuffer1));

}

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From source file:Main.java

public static void main(String[] args) {
    FloatBuffer floatBuffer = FloatBuffer.allocate(10);

    floatBuffer.put(0, 1.23F);

    floatBuffer.rewind();//from ww w.  ja v a  2 s.c om

    FloatBuffer floatBuffer1 = FloatBuffer.allocate(10);

    floatBuffer1.put(floatBuffer);

    System.out.println(floatBuffer.arrayOffset());

}

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From source file:Main.java

public static void main(String[] args) {
    FloatBuffer floatBuffer = FloatBuffer.allocate(10);

    floatBuffer.put(0, 1.23F);

    floatBuffer.rewind();//w w  w  . ja va 2s  .  co  m

    float[] floatArray = new float[10];

    floatBuffer.get(floatArray);

    System.out.println(Arrays.toString(floatArray));

}

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From source file:Main.java

public static void main(String[] args) {
    FloatBuffer floatBuffer = FloatBuffer.allocate(10);

    floatBuffer.put(0, 1.23F);

    floatBuffer.rewind();/*from  w ww .  j a  v  a2  s.c  o  m*/

    float[] floatArray = new float[10];

    floatBuffer.get(floatArray, 0, 3);

    System.out.println(Arrays.toString(floatArray));

}

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From source file:org.apache.sysml.runtime.matrix.data.LibMatrixNative.java

private static FloatBuffer toFloatBuffer(double[] input, ThreadLocal<FloatBuffer> buff, boolean copy) {
    //maintain thread-local buffer (resized on demand)
    FloatBuffer ret = buff.get();
    if (ret == null || ret.capacity() < input.length) {
        ret = ByteBuffer.allocateDirect(4 * input.length).order(ByteOrder.nativeOrder()).asFloatBuffer();
        buff.set(ret);//  w w w  .  j av a  2s.co  m
    }
    //copy to direct byte buffer
    final FloatBuffer ret2 = ret;
    if (copy) {
        IntStream.range(0, input.length).parallel().forEach(i -> ret2.put(i, (float) input[i]));
    }
    return ret2;
}

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From source file:ummisco.gama.opengl.vaoGenerator.GeomMathUtils.java

static public FloatBuffer getFloatBuffer(final Matrix4f matrix) {
    final FloatBuffer result = FloatBuffer.allocate(16);
    result.put(0, matrix.m00);
    result.put(1, matrix.m01);//from ww w. ja  v  a 2 s .  c  o  m
    result.put(2, matrix.m02);
    result.put(3, matrix.m03);
    result.put(4, matrix.m10);
    result.put(5, matrix.m11);
    result.put(6, matrix.m12);
    result.put(7, matrix.m13);
    result.put(8, matrix.m20);
    result.put(9, matrix.m21);
    result.put(10, matrix.m22);
    result.put(11, matrix.m23);
    result.put(12, matrix.m30);
    result.put(13, matrix.m31);
    result.put(14, matrix.m32);
    result.put(15, matrix.m33);
    return result;
}

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From source file:BufferTest.java

private long singleIndexedPut(float[] data, int elements, FloatBuffer target, int testTime) {
    long start = System.currentTimeMillis();
    long elapsed = 0;
    int reps = 0;

    target.clear();//from   www . java 2  s  .c  o  m

    do {
        for (int i = 0; i < elements; i++) {
            target.put(i, data[i]);
        }
        reps++;
        elapsed = System.currentTimeMillis() - start;
    } while (elapsed < testTime);

    long bytes = (long) elements * (long) reps * 4;

    return bytes / elapsed / 1024;
}

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