org.yamcs.parameterarchive

Class FloatCompressor

java.lang.Object

org.yamcs.parameterarchive.FloatCompressor

public class FloatCompressor
extends Object

Implements the floating point compression scheme described here: http://www.vldb.org/pvldb/vol8/p1816-teller.pdf

Author:

nm

Constructor Summary

Constructors

Constructor and Description
FloatCompressor()

Method Summary

Modifier and Type	Method and Description
static void	compress(float[] fa, ByteBuffer bb)
static void	compress(float[] fa, int n, ByteBuffer bb) *compress the first n elements from the array of floats into the ByteBuffer
static float[]	decompress(ByteBuffer bb, int n)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FloatCompressor

public FloatCompressor()

Method Detail

compress

public static void compress(float[] fa,
                            int n,
                            ByteBuffer bb)

*compress the first n elements from the array of floats into the ByteBuffer

decompress

public static float[] decompress(ByteBuffer bb,
                                 int n)

compress

public static void compress(float[] fa,
                            ByteBuffer bb)