net.java.sip.communicator.impl.neomedia.codec.audio.silk
Class Silk_solve_LS_FLP

java.lang.Object
  net.java.sip.communicator.impl.neomedia.codec.audio.silk.Silk_solve_LS_FLP

public class Silk_solve_LS_FLP
extends Object

Constructor Summary

Silk_solve_LS_FLP()

Method Summary

(package private) static void	SKP_Silk_LDL_FLP(float[] A, int A_offset, int M, float[] L, float[] Dinv) LDL Factorisation.
(package private) static void	SKP_Silk_solve_LDL_FLP(float[] A, int A_offset, int M, float[] b, float[] x, int x_offset) Function to solve linear equation Ax = b, when A is a MxM symmetric square matrix - using LDL factorisation.
(package private) static void	SKP_Silk_SolveWithLowerTriangularWdiagOnes_FLP(float[] L, int M, float[] b, float[] x) Function to solve linear equation Ax = b, when A is a MxM lower triangular matrix, with ones on the diagonal.
(package private) static void	SKP_Silk_SolveWithUpperTriangularFromLowerWdiagOnes_FLP(float[] L, int M, float[] b, float[] x, int x_offset) Function to solve linear equation (A^T)x = b, when A is a MxM lower triangular, with ones on the diagonal.

Methods inherited from class java.lang.Object

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

Constructor Detail

Silk_solve_LS_FLP

public Silk_solve_LS_FLP()

Method Detail

SKP_Silk_solve_LDL_FLP

static void SKP_Silk_solve_LDL_FLP(float[] A,
                                   int A_offset,
                                   int M,
                                   float[] b,
                                   float[] x,
                                   int x_offset)

Function to solve linear equation Ax = b, when A is a MxM symmetric square matrix - using LDL factorisation.

Parameters:

A - Symmetric square matrix, out: reg.

A_offset - offset of valid data.

M - Size of matrix

b - Pointer to b vector

x - Pointer to x solution vector

x_offset - offset of valid data.

SKP_Silk_SolveWithUpperTriangularFromLowerWdiagOnes_FLP

static void SKP_Silk_SolveWithUpperTriangularFromLowerWdiagOnes_FLP(float[] L,
                                                                    int M,
                                                                    float[] b,
                                                                    float[] x,
                                                                    int x_offset)

Function to solve linear equation (A^T)x = b, when A is a MxM lower triangular, with ones on the diagonal. (ie then A^T is upper triangular)

Parameters:

L - Pointer to Lower Triangular Matrix

M - Dim of Matrix equation

b - b Vector

x - x Vector

x_offset - offset of valid data.

SKP_Silk_SolveWithLowerTriangularWdiagOnes_FLP

static void SKP_Silk_SolveWithLowerTriangularWdiagOnes_FLP(float[] L,
                                                           int M,
                                                           float[] b,
                                                           float[] x)

Function to solve linear equation Ax = b, when A is a MxM lower triangular matrix, with ones on the diagonal.

Parameters:

L - Pointer to Lower Triangular Matrix

M - Pointer to Lower Triangular Matrix

b - b Vector

x - x Vector

SKP_Silk_LDL_FLP

static void SKP_Silk_LDL_FLP(float[] A,
                             int A_offset,
                             int M,
                             float[] L,
                             float[] Dinv)

LDL Factorisation. Finds the upper triangular matrix L and the diagonal Matrix D (only the diagonal elements returned in a vector)such that the symmetric matric A is given by A = L*D*L'.

Parameters:

A - Pointer to Symetric Square Matrix

A_offset - offset of valid data.

M - Size of Matrix

L - Pointer to Square Upper triangular Matrix

Dinv - Pointer to vector holding the inverse diagonal elements of D