ConvolveGetBufferSize

Computes the size of the work buffer for the ippsConvolve function.

Syntax

IppStatus ippsConvolveGetBufferSize (int src1Len, int src2Len, IppDataType dataType, IppEnum algType, int* pBufferSize);

Include Files

ipps.h

Parameters

src1Len	Number of elements in the first source vector.
src2Len	Number of elements in the second source vector.
dataType	Data type for convolution. Possible values are ipp32f and ipp64f.
algType	Bit-field mask for the algorithm type definition. Possible values are listed in the IppAlgType enumerator.
pBufferSize	Pointer to the size of the work buffer.

Description

The ippsConvolveGetBufferSize function computes the size, in bytes, of the external work buffer needed for the functions that perform convolution operations. The result is stored in the pBufferSize parameter.

Return Values

ippStsNoErr	Indicates no error.
ippStsNullPtrErr	Indicates an error when pBufferSize is NULL.
ippStsSizeErr	Indicates an error when the length of the vector is negative, or equal to zero.
ippStsAlgTypeErr	Indicates an error when the result of the bitwise AND operation between the algType and ippAlgMask differs from the ippAlgAuto, ippAlgDirect, or ippAlgFFT values.
ippStsDataTypeErr	Indicates an error when the dataType value differs from the ipp32f or ipp64f.