EigenValuesVectorsGetBufSize

Computes the work buffer size for the functions EigenValuesVectors.

Syntax

IppStatus ippmEigenValuesVectorsGetBufSize_32f (int widthHeigh, int* pSizeBytes);

IppStatus ippmEigenValuesVectorsGetBufSize_64f (int widthHeight, int* pSizeBytes);

Parameters

widthHeight

Size of the square matrix.

pSizeBytes

Pointer to the work buffer size value in bytes.

Description

The function ippmEigenValuesVectorsGetBufSize is declared in the ippm.h file. This function computes the size in bytes of the work buffer that is required for the functions EigenValuesVectors and stores the result at the address of pSizeBytes. To compute the size of the buffer, you must specify the size (widthHeight) of the square matrix that you are going to compute eigenvalues and eigenvectors for.

Return Values

ippStsOk

Indicates no error.

ippStsNullPtrErr

Indicates an error when the input pointer is NULL.

ippStsSizeErr

Indicates an error when the input size parameter is less or equal to 0.

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