Intel® Integrated Performance Primitives Developer Reference

Developer Reference

  • 2021
  • 01/25/2021
  • Public Content
Contents

TopKInit

Initializes
pDstValue
 and
pDstIndex
 arrays for the
ippsTopK
 function.

Syntax

IppStatus ippsTopKInit_32s(Ipp32s*
pDstValue
, Ipp64s*
pDstIndex
, Ipp64s
dstLen
);
Include Files
ipps.h
Domain Dependencies
Headers:
ippcore.h
,
ippvm.h
Libraries:
ippcore.lib
,
ippvm.lib
Parameters
pDstValue
Pointer to an array with maximum values found by the
TopK
 function.
pDstIndex
Pointer to an array with indexes of maximum values found by the
TopK
 function.
dstLen
Number of
K
 values to be returned, the function returns
min(K, dstLen)
 elements.
Description
This function initializes the
pDstValue
 array with minimal values and
pDstIndex
 with -1 value.
Return Values
ippStsNoErr
Indicates no error.
ippStsNullPtrErr
Indicates an error when at least one of the pointers is
NULL
.
ippStsSizeErr
Indicates an error when at least one of the
dstLen
 values 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.