SYR2K  Symmetric rank2k update to a matrix¶

pyclblas.
clblasCsyr2k
(order, uplo, transAB, N, K, alpha, A, offA, lda, B, offB, ldb, beta, C, offC, ldc, commandQueues, eventWaitList)¶ wraps: clblasCsyr2k
Rank2k update of a symmetric matrix with complex float elements. Extended version. Rankk updates:
 ( C ← α A B^{T}+ α B A^{T}+ β C )
 ( C ← α A^{T}B + α B^{T}A β C )
where C is a symmetric matrix.Parameters:  order (clblasOrder [in]) – Row/column order.
 uplo (clblasUplo [in]) – The triangle in matrix C being referenced.
 transAB (clblasTranspose [in]) – How matrices A and B is to be transposed.
 N (int [in]) – Number of rows and columns in matrix C.
 K (int [in]) – Number of columns of the matrices A and B if they are not transposed, and number of rows otherwise.
 alpha (complex [in]) – The factor of matrices A and B.
 A (pyopencl.Buffer [in]) – Buffer object storing matrix A.
 offA (int [in]) – Offset of the first element of the matrix A in the buffer object. Counted in elements.
 lda (int [in]) – Leading dimension of matrix A.
 B (pyopencl.Buffer [in]) – Buffer object storing matrix B.
 offB (int [in]) – Offset of the first element of the matrix B in the buffer object. Counted in elements.
 ldb (int [in]) – Leading dimension of matrix B.
 beta (complex [in]) – The factor of matrix C.
 C (pyopencl.Buffer [out]) – Buffer object storing matrix C.
 offC (int [in]) – Offset of the first element of the matrix C in the buffer object. Counted in elements.
 ldc (int [in]) – Leading dimension of matrix C. It cannot be less than N.
 commandQueues (pyopencl.CommandQueue [in]) – OpenCL command queues. A list, tuple, or single instance of pyopencl.CommandQueue. Must not be None.
 eventWaitList (pyopencl.Event [in]) – Event wait list. A list, tuple, or single instance of pyopencl.Event. May be None.
Returns: A tuple of pyopencl.Event instances, one for each commandQueue supplied.

pyclblas.
clblasDsyr2k
(order, uplo, transAB, N, K, alpha, A, offA, lda, B, offB, ldb, beta, C, offC, ldc, commandQueues, eventWaitList)¶ wraps: clblasDsyr2k
Rank2k update of a symmetric matrix with double elements. Extended version. Rankk updates:
 ( C ← α A B^{T}+ α B A^{T}+ β C )
 ( C ← α A^{T}B + α B^{T}A β C )
where C is a symmetric matrix.Parameters:  order (clblasOrder [in]) – Row/column order.
 uplo (clblasUplo [in]) – The triangle in matrix C being referenced.
 transAB (clblasTranspose [in]) – How matrices A and B is to be transposed.
 N (int [in]) – Number of rows and columns in matrix C.
 K (int [in]) – Number of columns of the matrices A and B if they are not transposed, and number of rows otherwise.
 alpha (float [in]) – The factor of matrices A and B.
 A (pyopencl.Buffer [in]) – Buffer object storing matrix A.
 offA (int [in]) – Offset of the first element of the matrix A in the buffer object. Counted in elements.
 lda (int [in]) – Leading dimension of matrix A.
 B (pyopencl.Buffer [in]) – Buffer object storing matrix B.
 offB (int [in]) – Offset of the first element of the matrix B in the buffer object. Counted in elements.
 ldb (int [in]) – Leading dimension of matrix B.
 beta (float [in]) – The factor of matrix C.
 C (pyopencl.Buffer [out]) – Buffer object storing matrix C.
 offC (int [in]) – Offset of the first element of the matrix C in the buffer object. Counted in elements.
 ldc (int [in]) – Leading dimension of matrix C. It cannot be less than N.
 commandQueues (pyopencl.CommandQueue [in]) – OpenCL command queues. A list, tuple, or single instance of pyopencl.CommandQueue. Must not be None.
 eventWaitList (pyopencl.Event [in]) – Event wait list. A list, tuple, or single instance of pyopencl.Event. May be None.
Returns: A tuple of pyopencl.Event instances, one for each commandQueue supplied.

pyclblas.
clblasSsyr2k
(order, uplo, transAB, N, K, alpha, A, offA, lda, B, offB, ldb, beta, C, offC, ldc, commandQueues, eventWaitList)¶ wraps: clblasSsyr2k
Rank2k update of a symmetric matrix with float elements. Extended version. Rankk updates:
 ( C ← α A B^{T}+ α B A^{T}+ β C )
 ( C ← α A^{T}B + α B^{T}A β C )
where C is a symmetric matrix.Parameters:  order (clblasOrder [in]) – Row/column order.
 uplo (clblasUplo [in]) – The triangle in matrix C being referenced.
 transAB (clblasTranspose [in]) – How matrices A and B is to be transposed.
 N (int [in]) – Number of rows and columns in matrix C.
 K (int [in]) – Number of columns of the matrices A and B if they are not transposed, and number of rows otherwise.
 alpha (float [in]) – The factor of matrices A and B.
 A (pyopencl.Buffer [in]) – Buffer object storing matrix A.
 offA (int [in]) – Offset of the first element of the matrix A in the buffer object. Counted in elements.
 lda (int [in]) – Leading dimension of matrix A. It cannot be less than K if A is in the rowmajor format, and less than N otherwise.
 B (pyopencl.Buffer [in]) – Buffer object storing matrix B.
 offB (int [in]) – Offset of the first element of the matrix B in the buffer object. Counted in elements.
 ldb (int [in]) – Leading dimension of matrix B. It cannot be less less than K if B matches to the op( B ) matrix in the rowmajor format, and less than N otherwise.
 beta (float [in]) – The factor of matrix C.
 C (pyopencl.Buffer [out]) – Buffer object storing matrix C.
 offC (int [in]) – Offset of the first element of the matrix C in the buffer object. Counted in elements.
 ldc (int [in]) – Leading dimension of matrix C. It cannot be less than N.
 commandQueues (pyopencl.CommandQueue [in]) – OpenCL command queues. A list, tuple, or single instance of pyopencl.CommandQueue. Must not be None.
 eventWaitList (pyopencl.Event [in]) – Event wait list. A list, tuple, or single instance of pyopencl.Event. May be None.
Returns: A tuple of pyopencl.Event instances, one for each commandQueue supplied.

pyclblas.
clblasZsyr2k
(order, uplo, transAB, N, K, alpha, A, offA, lda, B, offB, ldb, beta, C, offC, ldc, commandQueues, eventWaitList)¶ wraps: clblasZsyr2k
Rank2k update of a symmetric matrix with complex double elements. Extended version. Rankk updates:
 ( C ← α A B^{T}+ α B A^{T}+ β C )
 ( C ← α A^{T}B + α B^{T}A β C )
where C is a symmetric matrix.Parameters:  order (clblasOrder [in]) – Row/column order.
 uplo (clblasUplo [in]) – The triangle in matrix C being referenced.
 transAB (clblasTranspose [in]) – How matrices A and B is to be transposed.
 N (int [in]) – Number of rows and columns in matrix C.
 K (int [in]) – Number of columns of the matrices A and B if they are not transposed, and number of rows otherwise.
 alpha (complex [in]) – The factor of matrices A and B.
 A (pyopencl.Buffer [in]) – Buffer object storing matrix A.
 offA (int [in]) – Offset of the first element of the matrix A in the buffer object. Counted in elements.
 lda (int [in]) – Leading dimension of matrix A.
 B (pyopencl.Buffer [in]) – Buffer object storing matrix B.
 offB (int [in]) – Offset of the first element of the matrix B in the buffer object. Counted in elements.
 ldb (int [in]) – Leading dimension of matrix B.
 beta (complex [in]) – The factor of matrix C.
 C (pyopencl.Buffer [out]) – Buffer object storing matrix C.
 offC (int [in]) – Offset of the first element of the matrix C in the buffer object. Counted in elements.
 ldc (int [in]) – Leading dimension of matrix C. It cannot be less than N.
 commandQueues (pyopencl.CommandQueue [in]) – OpenCL command queues. A list, tuple, or single instance of pyopencl.CommandQueue. Must not be None.
 eventWaitList (pyopencl.Event [in]) – Event wait list. A list, tuple, or single instance of pyopencl.Event. May be None.
Returns: A tuple of pyopencl.Event instances, one for each commandQueue supplied.