# arm_iir_lattice_instance_q31 Struct Reference

Instance structure for the Q31 IIR lattice filter. More...

`#include <arm_math.h>`

## Data Fields

uint16_t | numStages
q31_t * | pState
q31_t * | pkCoeffs
q31_t * | pvCoeffs

## Detailed Description

Instance structure for the Q31 IIR lattice filter.

Definition at line 3765 of file arm_math.h.

## Field Documentation

uint16_t arm_iir_lattice_instance_q31::numStages

number of stages in the filter.

Definition at line 3767 of file arm_math.h.

q31_t* arm_iir_lattice_instance_q31::pState

points to the state variable array. The array is of length numStages+blockSize.

Definition at line 3768 of file arm_math.h.

q31_t* arm_iir_lattice_instance_q31::pkCoeffs

points to the reflection coefficient array. The array is of length numStages.

Definition at line 3769 of file arm_math.h.

q31_t* arm_iir_lattice_instance_q31::pvCoeffs

points to the ladder coefficient array. The array is of length numStages+1.

Definition at line 3770 of file arm_math.h.

The documentation for this struct was generated from the following file:

- arm_math.h

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