Developer Reference

  • 2021
  • 01/15/2021
  • Public Content
Contents

FIRLMSGetStateSize

Computes the size of the external buffer for the FIR least mean squares (LMS) filter structure.

Syntax

IppStatus ippsFIRLMSGetStateSize32f_16s(int
tapsLen
, int
dlyIndex
, int*
pBufferSize
);
IppStatus ippsFIRLMSGetStateSize_32f(int
tapsLen
, int
dlyIndex
, int*
pBufferSize
);
Include Files
ipps.h
Domain Dependencies
Headers:
ippcore.h
,
ippvm.h
Libraries:
ippcore.lib
,
ippvm.lib
Parameters
tapsLen
Number of elements in the array containing tap values.
dlyIndex
Current index of the delay line.
pBufferSize
Pointer to the computed buffer size value.
Description
This function computes the size of the external buffer for the FIR LMS filter state structure and stores the result in
pBufferSize
.
Return Values
ippStsNoErr
Indicates no error.
ippStsNullPtrErr
Indicates an error when
pBufferSize
is
NULL
.
ippStsFIRLenErr
Indicates an error when
tapsLen
is less than, or equal to zero.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.