org.mobicents.media.server.impl.dsp.audio.gsm
Class BasicFunctions

java.lang.Object
  org.mobicents.media.server.impl.dsp.audio.gsm.BasicFunctions

public class BasicFunctions
extends Object

Author:

oifa yulian

Field Summary

static short[]	A
static short[]	B
static short[]	DLB
static short[]	FAC
static short[]	H
static short[]	INVA
static short[]	MAC
static short[]	MIC
static short[]	NRFAC
static short[]	QLB

Constructor Summary

BasicFunctions()

Method Summary

static short	abs(short var1)
static short	add(short var1, short var2)
static int	checkIntOverflow(long value)
static short	checkOverflow(int value)
static short	div(short var1, short var2)
static int	L_add(int var1, int var2)
static int	L_mult(short var1, short var2)
static int	L_sub(int var1, int var2)
static short	mult_r(short var1, short var2)
static short	mult(short var1, short var2)
static short	norm(int var1)
static short	sub(short var1, short var2)

Methods inherited from class java.lang.Object

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

Field Detail

A

public static final short[] A

B

public static final short[] B

MIC

public static final short[] MIC

MAC

public static final short[] MAC

INVA

public static final short[] INVA

DLB

public static final short[] DLB

QLB

public static final short[] QLB

H

public static final short[] H

NRFAC

public static final short[] NRFAC

FAC

public static final short[] FAC

Constructor Detail

BasicFunctions

public BasicFunctions()

Method Detail

checkOverflow

public static short checkOverflow(int value)

checkIntOverflow

public static int checkIntOverflow(long value)

add

public static short add(short var1,
                        short var2)

sub

public static short sub(short var1,
                        short var2)

mult

public static short mult(short var1,
                         short var2)

mult_r

public static short mult_r(short var1,
                           short var2)

abs

public static short abs(short var1)

div

public static short div(short var1,
                        short var2)

L_mult

public static int L_mult(short var1,
                         short var2)

L_add

public static int L_add(int var1,
                        int var2)

L_sub

public static int L_sub(int var1,
                        int var2)

norm

public static short norm(int var1)
                  throws ArithmeticException

Throws:

ArithmeticException