MAGMA  1.6.1
Matrix Algebra for GPU and Multicore Architectures
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double precision

Functions

magma_int_t magma_dcuspaxpy (double *alpha, magma_d_sparse_matrix A, double *beta, magma_d_sparse_matrix B, magma_d_sparse_matrix *AB, magma_queue_t queue)
 This is an interface to the cuSPARSE routine csrgeam computing the sum of two sparse matrices stored in csr format: More...
 
magma_int_t magma_dcuspmm (magma_d_sparse_matrix A, magma_d_sparse_matrix B, magma_d_sparse_matrix *AB, magma_queue_t queue)
 This is an interface to the cuSPARSE routine csrmm computing the product of two sparse matrices stored in csr format. More...
 
magma_int_t magma_dcustomspmv (double alpha, magma_d_vector x, double beta, magma_d_vector y, magma_queue_t queue)
 This is an interface to any custom sparse matrix vector product. More...
 
magma_int_t magma_dgecsrmv (magma_trans_t transA, magma_int_t m, magma_int_t n, double alpha, magmaDouble_ptr dval, magmaIndex_ptr drowptr, magmaIndex_ptr dcolind, magmaDouble_ptr dx, double beta, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes y = alpha * A * x + beta * y on the GPU. More...
 
magma_int_t magma_dgecsrmv_shift (magma_trans_t transA, magma_int_t m, magma_int_t n, double alpha, double lambda, magmaDouble_ptr dval, magmaIndex_ptr drowptr, magmaIndex_ptr dcolind, magmaDouble_ptr dx, double beta, int offset, int blocksize, magma_index_t *addrows, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes y = alpha * ( A -lambda I ) * x + beta * y on the GPU. More...
 
magma_int_t magma_dgeellmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t nnz_per_row, double alpha, magmaDouble_ptr dval, magmaIndex_ptr dcolind, magmaDouble_ptr dx, double beta, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes y = alpha * A * x + beta * y on the GPU. More...
 
magma_int_t magma_dgeellmv_shift (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t nnz_per_row, double alpha, double lambda, magmaDouble_ptr dval, magmaIndex_ptr dcolind, magmaDouble_ptr dx, double beta, int offset, int blocksize, magmaIndex_ptr addrows, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes y = alpha *( A - lambda I ) * x + beta * y on the GPU. More...
 
magma_int_t magma_dgeellrtmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t nnz_per_row, double alpha, magmaDouble_ptr dval, magmaIndex_ptr dcolind, magmaIndex_ptr drowlength, magmaDouble_ptr dx, double beta, magmaDouble_ptr dy, magma_int_t alignment, magma_int_t blocksize, magma_queue_t queue)
 This routine computes y = alpha * A * x + beta * y on the GPU. More...
 
magma_int_t magma_dgeelltmv_shift (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t nnz_per_row, double alpha, double lambda, magmaDouble_ptr dval, magmaIndex_ptr dcolind, magmaDouble_ptr dx, double beta, int offset, int blocksize, magmaIndex_ptr addrows, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes y = alpha *( A - lambda I ) * x + beta * y on the GPU. More...
 
magma_int_t magma_dgesellpmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t blocksize, magma_int_t slices, magma_int_t alignment, double alpha, magmaDouble_ptr dval, magmaIndex_ptr dcolind, magmaIndex_ptr drowptr, magmaDouble_ptr dx, double beta, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes y = alpha * A^t * x + beta * y on the GPU. More...
 
magma_int_t magma_dgesellcmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t blocksize, magma_int_t slices, magma_int_t alignment, double alpha, magmaDouble_ptr dval, magmaIndex_ptr dcolind, magmaIndex_ptr drowptr, magmaDouble_ptr dx, double beta, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes y = alpha * A^t * x + beta * y on the GPU. More...
 
magma_int_t magma_dmdotc (int n, int k, magmaDouble_ptr v, magmaDouble_ptr r, magmaDouble_ptr d1, magmaDouble_ptr d2, magmaDouble_ptr skp, magma_queue_t queue)
 Computes the scalar product of a set of vectors v_i such that. More...
 
magma_int_t magma_dmgecsrmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t num_vecs, double alpha, magmaDouble_ptr dval, magmaIndex_ptr drowptr, magmaIndex_ptr dcolind, magmaDouble_ptr dx, double beta, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU. More...
 
magma_int_t magma_dmgeellmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t num_vecs, magma_int_t nnz_per_row, double alpha, magmaDouble_ptr dval, magmaIndex_ptr dcolind, magmaDouble_ptr dx, double beta, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU. More...
 
magma_int_t magma_dmgeelltmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t num_vecs, magma_int_t nnz_per_row, double alpha, magmaDouble_ptr dval, magmaIndex_ptr dcolind, magmaDouble_ptr dx, double beta, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU. More...
 
magma_int_t magma_dmgesellpmv (magma_trans_t transA, magma_int_t m, magma_int_t n, magma_int_t num_vecs, magma_int_t blocksize, magma_int_t slices, magma_int_t alignment, double alpha, magmaDouble_ptr dval, magmaIndex_ptr dcolind, magmaIndex_ptr drowptr, magmaDouble_ptr dx, double beta, magmaDouble_ptr dy, magma_queue_t queue)
 This routine computes Y = alpha * A^t * X + beta * Y on the GPU. More...
 

Detailed Description

Function Documentation

magma_int_t magma_dcuspaxpy ( double *  alpha,
magma_d_sparse_matrix  A,
double *  beta,
magma_d_sparse_matrix  B,
magma_d_sparse_matrix *  AB,
magma_queue_t  queue 
)

This is an interface to the cuSPARSE routine csrgeam computing the sum of two sparse matrices stored in csr format:

C = alpha * A + beta * B

Parameters
[in]alphadouble* scalar
[in]Amagma_d_sparse_matrix input matrix
[in]betadouble* scalar
[in]Bmagma_d_sparse_matrix input matrix
[out]ABmagma_d_sparse_matrix* output matrix AB = alpha * A + beta * B
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dcuspmm ( magma_d_sparse_matrix  A,
magma_d_sparse_matrix  B,
magma_d_sparse_matrix *  AB,
magma_queue_t  queue 
)

This is an interface to the cuSPARSE routine csrmm computing the product of two sparse matrices stored in csr format.

Parameters
[in]Amagma_d_sparse_matrix input matrix
[in]Bmagma_d_sparse_matrix input matrix
[out]ABmagma_d_sparse_matrix* output matrix AB = A * B
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dcustomspmv ( double  alpha,
magma_d_vector  x,
double  beta,
magma_d_vector  y,
magma_queue_t  queue 
)

This is an interface to any custom sparse matrix vector product.

It should compute y = alpha*FUNCTION(x) + beta*y The vectors are located on the device, the scalars on the CPU.

Parameters
[in]alphadouble scalar alpha
[in]xmagma_d_vector input vector x
[in]betadouble scalar beta
[out]ymagma_d_vector output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dgecsrmv ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
double  alpha,
magmaDouble_ptr  dval,
magmaIndex_ptr  drowptr,
magmaIndex_ptr  dcolind,
magmaDouble_ptr  dx,
double  beta,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes y = alpha * A * x + beta * y on the GPU.

The input format is CSR (val, row, col).

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]alphadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in CSR
[in]drowptrmagmaIndex_ptr rowpointer of A in CSR
[in]dcolindmagmaIndex_ptr columnindices of A in CSR
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dgecsrmv_shift ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
double  alpha,
double  lambda,
magmaDouble_ptr  dval,
magmaIndex_ptr  drowptr,
magmaIndex_ptr  dcolind,
magmaDouble_ptr  dx,
double  beta,
int  offset,
int  blocksize,
magma_index_t *  addrows,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes y = alpha * ( A -lambda I ) * x + beta * y on the GPU.

It is a shifted version of the CSR-SpMV.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]alphadouble scalar multiplier
[in]lambdadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in CSR
[in]drowptrmagmaIndex_ptr rowpointer of A in CSR
[in]dcolindmagmaIndex_ptr columnindices of A in CSR
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[in]offsetmagma_int_t in case not the main diagonal is scaled
[in]blocksizemagma_int_t in case of processing multiple vectors
[in]addrowsmagmaIndex_ptr in case the matrixpowerskernel is used
[out]dymagmaDouble_ptr output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dgeellmv ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  nnz_per_row,
double  alpha,
magmaDouble_ptr  dval,
magmaIndex_ptr  dcolind,
magmaDouble_ptr  dx,
double  beta,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes y = alpha * A * x + beta * y on the GPU.

Input format is ELLPACK.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]nnz_per_rowmagma_int_t number of elements in the longest row
[in]alphadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in ELLPACK
[in]dcolindmagmaIndex_ptr columnindices of A in ELLPACK
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dgeellmv_shift ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  nnz_per_row,
double  alpha,
double  lambda,
magmaDouble_ptr  dval,
magmaIndex_ptr  dcolind,
magmaDouble_ptr  dx,
double  beta,
int  offset,
int  blocksize,
magmaIndex_ptr  addrows,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes y = alpha *( A - lambda I ) * x + beta * y on the GPU.

Input format is ELLPACK. It is the shifted version of the ELLPACK SpMV.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]nnz_per_rowmagma_int_t number of elements in the longest row
[in]alphadouble scalar multiplier
[in]lambdadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in ELLPACK
[in]dcolindmagmaIndex_ptr columnindices of A in ELLPACK
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[in]offsetmagma_int_t in case not the main diagonal is scaled
[in]blocksizemagma_int_t in case of processing multiple vectors
[in]addrowsmagmaIndex_ptr in case the matrixpowerskernel is used
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dgeellrtmv ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  nnz_per_row,
double  alpha,
magmaDouble_ptr  dval,
magmaIndex_ptr  dcolind,
magmaIndex_ptr  drowlength,
magmaDouble_ptr  dx,
double  beta,
magmaDouble_ptr  dy,
magma_int_t  alignment,
magma_int_t  blocksize,
magma_queue_t  queue 
)

This routine computes y = alpha * A * x + beta * y on the GPU.

Input format is ELLRT. The ideas are taken from "Improving the performance of the sparse matrix vector product with GPUs", (CIT 2010), and modified to provide correct values.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows
[in]nmagma_int_t number of columns
[in]nnz_per_rowmagma_int_t max number of nonzeros in a row
[in]alphadouble scalar alpha
[in]dvalmagmaDouble_ptr val array
[in]dcolindmagmaIndex_ptr col indices
[in]drowlengthmagmaIndex_ptr number of elements in each row
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar beta
[out]dymagmaDouble_ptr output vector y
[in]blocksizemagma_int_t threads per block
[in]alignmentmagma_int_t threads assigned to each row
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dgeelltmv_shift ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  nnz_per_row,
double  alpha,
double  lambda,
magmaDouble_ptr  dval,
magmaIndex_ptr  dcolind,
magmaDouble_ptr  dx,
double  beta,
int  offset,
int  blocksize,
magmaIndex_ptr  addrows,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes y = alpha *( A - lambda I ) * x + beta * y on the GPU.

Input format is ELL.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]nnz_per_rowmagma_int_t number of elements in the longest row
[in]alphadouble scalar multiplier
[in]lambdadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in ELL
[in]dcolindmagmaIndex_ptr columnindices of A in ELL
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[in]offsetmagma_int_t in case not the main diagonal is scaled
[in]blocksizemagma_int_t in case of processing multiple vectors
[in]addrowsmagmaIndex_ptr in case the matrixpowerskernel is used
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dgesellcmv ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  blocksize,
magma_int_t  slices,
magma_int_t  alignment,
double  alpha,
magmaDouble_ptr  dval,
magmaIndex_ptr  dcolind,
magmaIndex_ptr  drowptr,
magmaDouble_ptr  dx,
double  beta,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes y = alpha * A^t * x + beta * y on the GPU.

Input format is SELLC/SELLP.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]blocksizemagma_int_t number of rows in one ELL-slice
[in]slicesmagma_int_t number of slices in matrix
[in]alignmentmagma_int_t number of threads assigned to one row (=1)
[in]alphadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in SELLC/P
[in]dcolindmagmaIndex_ptr columnindices of A in SELLC/P
[in]drowptrmagmaIndex_ptr rowpointer of SELLP
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dgesellpmv ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  blocksize,
magma_int_t  slices,
magma_int_t  alignment,
double  alpha,
magmaDouble_ptr  dval,
magmaIndex_ptr  dcolind,
magmaIndex_ptr  drowptr,
magmaDouble_ptr  dx,
double  beta,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes y = alpha * A^t * x + beta * y on the GPU.

Input format is SELLP.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]blocksizemagma_int_t number of rows in one ELL-slice
[in]slicesmagma_int_t number of slices in matrix
[in]alignmentmagma_int_t number of threads assigned to one row
[in]alphadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in SELLP
[in]dcolindmagmaIndex_ptr columnindices of A in SELLP
[in]drowptrmagmaIndex_ptr rowpointer of SELLP
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dmdotc ( int  n,
int  k,
magmaDouble_ptr  v,
magmaDouble_ptr  r,
magmaDouble_ptr  d1,
magmaDouble_ptr  d2,
magmaDouble_ptr  skp,
magma_queue_t  queue 
)

Computes the scalar product of a set of vectors v_i such that.

skp = ( <v_0,r>, <v_1,r>, .. )

Returns the vector skp.

Parameters
[in]nint length of v_i and r
[in]kint

vectors v_i

Parameters
[in]vmagmaDouble_ptr v = (v_0 .. v_i.. v_k)
[in]rmagmaDouble_ptr r
[in]d1magmaDouble_ptr workspace
[in]d2magmaDouble_ptr workspace
[out]skpmagmaDouble_ptr vector[k] of scalar products (<v_i,r>...)
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dmgecsrmv ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  num_vecs,
double  alpha,
magmaDouble_ptr  dval,
magmaIndex_ptr  drowptr,
magmaIndex_ptr  dcolind,
magmaDouble_ptr  dx,
double  beta,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU.

Input format is CSR.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]num_vecsmama_int_t number of vectors
[in]alphadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in CSR
[in]drowptrmagmaIndex_ptr rowpointer of A in CSR
[in]dcolindmagmaIndex_ptr columnindices of A in CSR
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dmgeellmv ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  num_vecs,
magma_int_t  nnz_per_row,
double  alpha,
magmaDouble_ptr  dval,
magmaIndex_ptr  dcolind,
magmaDouble_ptr  dx,
double  beta,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU.

Input format is ELLPACK.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]num_vecsmama_int_t number of vectors
[in]nnz_per_rowmagma_int_t number of elements in the longest row
[in]alphadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in ELLPACK
[in]dcolindmagmaIndex_ptr columnindices of A in ELLPACK
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dmgeelltmv ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  num_vecs,
magma_int_t  nnz_per_row,
double  alpha,
magmaDouble_ptr  dval,
magmaIndex_ptr  dcolind,
magmaDouble_ptr  dx,
double  beta,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes Y = alpha * A * X + beta * Y for X and Y sets of num_vec vectors on the GPU.

Input format is ELL.

Parameters
[in]transAmagma_trans_t transposition parameter for A
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]num_vecsmama_int_t number of vectors
[in]nnz_per_rowmagma_int_t number of elements in the longest row
[in]alphadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in ELL
[in]dcolindmagmaIndex_ptr columnindices of A in ELL
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.
magma_int_t magma_dmgesellpmv ( magma_trans_t  transA,
magma_int_t  m,
magma_int_t  n,
magma_int_t  num_vecs,
magma_int_t  blocksize,
magma_int_t  slices,
magma_int_t  alignment,
double  alpha,
magmaDouble_ptr  dval,
magmaIndex_ptr  dcolind,
magmaIndex_ptr  drowptr,
magmaDouble_ptr  dx,
double  beta,
magmaDouble_ptr  dy,
magma_queue_t  queue 
)

This routine computes Y = alpha * A^t * X + beta * Y on the GPU.

Input format is SELLP. Note, that the input format for X is row-major while the output format for Y is column major!

Parameters
[in]transAmagma_trans_t transpose A?
[in]mmagma_int_t number of rows in A
[in]nmagma_int_t number of columns in A
[in]num_vecsmagma_int_t number of columns in X and Y
[in]blocksizemagma_int_t number of rows in one ELL-slice
[in]slicesmagma_int_t number of slices in matrix
[in]alignmentmagma_int_t number of threads assigned to one row
[in]alphadouble scalar multiplier
[in]dvalmagmaDouble_ptr array containing values of A in SELLP
[in]dcolindmagmaIndex_ptr columnindices of A in SELLP
[in]drowptrmagmaIndex_ptr rowpointer of SELLP
[in]dxmagmaDouble_ptr input vector x
[in]betadouble scalar multiplier
[out]dymagmaDouble_ptr input/output vector y
[in]queuemagma_queue_t Queue to execute in.