Developer Reference

Contents

CmpZero_BN

Checks the value of the input data field.

Syntax

IppStatus ippsCmpZero_BN(const IppsBigNumState*
pBN
, Ipp32u*
pResult
);
Include Files
ippcp.h
Parameters
pBN
Integer big number of the data type
IppsBigNumState
.
pResult
Indicates whether the input integer big number is positive, negative, or zero.
Description
The function scans the data field of the input
const IppsBigNumState *
pBN
and returns
  • IS_ZERO
    if the value held by
    IppsBigNumState *
    pBN
    is zero
  • GREATER_THAN_ZERO
    if the input is more than zero
  • LESS_THAN_ZERO
    if the input is less than zero.
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

Intel's compilers may or may not optimize to the same degree for non-Intel microprocessors for optimizations that are not unique to Intel microprocessors. These optimizations include SSE2, SSE3, and SSSE3 instruction sets and other optimizations. Intel does not guarantee the availability, functionality, or effectiveness of any optimization on microprocessors not manufactured by Intel. Microprocessor-dependent optimizations in this product are intended for use with Intel microprocessors. Certain optimizations not specific to Intel microarchitecture are reserved for Intel microprocessors. Please refer to the applicable product User and Reference Guides for more information regarding the specific instruction sets covered by this notice.

Notice revision #20110804