Developer Reference

Contents

GFpSub

Subtracts two elements of the finite field.

Syntax

IppStatus ippsGFpSub(const IppsGFpElement*
pA
, const IppsGFpElement*
pB
, IppsGFpElement*
pR
, IppsGFpState*
pGFp
);
Include Files
ippcp.h
Parameters
pA
Pointer to the context of the minuend element of the finite field.
pB
Pointer to the context of the subtrahend element of the finite field.
pR
Pointer to the context of the resulting element of the finite field.
pGFp
Pointer to the context of the finite field.
Description
This function computes the difference of the elements of the finite field. The following pseudocode represents this operation:
R = A - B
. The finite field is specified by the context
pGFp
.
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 any of the
IppsGFpState
and
IppsGFpElement
context parameters does not match the operation.
ippStsOutOfRangeErr
Indicates an error condition if
pA
or
pB
does not belong to the finite field specified by the context
pGFp
.

Product and Performance Information

1

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