Developer Reference

Contents

Ref_BN

Extracts the main characteristics of the integer big number from the input structure.

Syntax

IppStatus ippsRef_BN(IppsBigNumSGN*
pSgn
, int*
bitSize
, Ipp32u** const
ppData
, const IppsBigNumState*
pBN
);
Include Files
ippcp.h
Parameters
pSgn
Pointer to the sign of
IppsBigNumState
*x
.
bitSize
Length of the integer big number in bits.
ppData
Double pointer to the data array.
pBN
Integer big number of the context
IppsBigNumState
.
Description
The function extracts from the input structure the main characteristics of the integer big number: sign, length, and pointer to the data array. You can extract either the entire set or any subset of these characteristics. To turn off extraction of a particular characteristic, set the appropriate function parameter to NULL.
Return Values
ippStsNoErr
Indicates no error. Any other value indicates an error or warning.
ippStsNullPtrErr
Indicates an error condition if any of the specified pointers is
NULL.
ippStsContextMatchErr
Indicates an error condition if the context parameter does not match the operation.

Product and Performance Information

1

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