Java Utililty Methods FloatBuffer to Array

float[] convertFloatBufferToArray(java.nio.FloatBuffer buf)
convert Float Buffer To Array

if (buf.hasArray()) {
 return buf.array();
} else {
 buf.rewind();
 float[] array = new float[buf.remaining()];
 int index = 0;
 while (buf.hasRemaining()) {
 array[index++] = buf.get();
...

FloatBuffer floatArrayToFloatBuffer(float[] data)
Converts an array of primitive floats to a java.nio.FloatBuffer .

FloatBuffer ret = ByteBuffer.allocateDirect(data.length << 2).order(ByteOrder.nativeOrder())
 .asFloatBuffer();
ret.put(data).flip();
return ret;

void floatBufferToHistogram(FloatBuffer ib, int width, int height, int widthStep, float[] histogram)
float Buffer To Histogram

Arrays.fill(histogram, 0);
ib.rewind();
int totalPoints = 0;
for (int y = 0; y < height; y++)
 for (int x = 0; x < width; x++) {
 int v = (int) ib.get(y * widthStep + x);
 if (v > 0 && v < histogram.length) {
 histogram[v]++;
...

String floatBufferToString(FloatBuffer buffer)
float Buffer To String

StringBuilder out = new StringBuilder();
for (int i = 0; i < buffer.capacity(); i++) {
 out.append(i).append("=").append(buffer.get(i)).append(" ");
return out.toString();

float[] getFloatArray(final FloatBuffer buff)
get Float Array

if (buff == null) {
 return null;
buff.clear();
final float[] inds = new float[buff.limit()];
for (int x = 0; x < inds.length; x++) {
 inds[x] = buff.get();
return inds;

float[] getFloatArray(FloatBuffer buff)
Create a new float[] array and populate it with the given FloatBuffer's contents.

if (buff == null) {
 return null;
buff.clear();
float[] inds = new float[buff.limit()];
for (int x = 0; x < inds.length; x++) {
 inds[x] = buff.get();
return inds;