getrsnp_batch_scratchpad_size (Strided Version)#
Computes size of scratchpad memory required for getrsnp_batch (Strided
Version) function. This routine belongs to the
oneapi::mkl::lapack namespace.
Description#
Computes the number of elements of type T the scratchpad memory to be passed to the getrsnp_batch (Strided Version) function must be able to hold.
API#
Syntax#
namespace oneapi::mkl::lapack {
int64_t getrsnp_batch_scratchpad_size(sycl::queue &queue,
mkl::transpose trans,
int64_t n,
int64_t nrhs,
int64_t lda,
int64_t stride_a,
int64_t ldb,
int64_t stride_b,
int64_t batch_size)
}
Input Parameters#
- queue
Device queue where calculations will be performed.
- trans
Indicates the form of the equations:
If trans = mkl::transpose::nontrans, then
Ai*Xi =Bi is solved forXi.If trans = mkl::transpose::trans, then
AiT*Xi =Bi is solved forXi.If trans = mkl::transpose::conjtrans, then
AiH*Xi =Bi is solved forXi.- n
The order of the matrices
Ai and the number of rows in matricesBi (n ≥ 0).- nrhs
The number of right hand sides
(nrhs ≥ 0).- lda
The leading dimension of
Ai (lda≥max(1, n)).- stride_a
The stride between the beginnings of matrices
Ai inside the batch arraya(stride_a≥max(1, lda * n)).- ldb
The leading dimensions of
Bi (ldb≥max(1, n)).- stride_b
The stride between the beginnings of matrices
Bi inside the batch arrayb(stride_b≥max(1, ldb * nrhs)).- batch_size
The number of problems in a batch (
batch_size≥ 0).
Exceptions#
Exception |
Description |
|---|---|
|
This exception is thrown when an incorrect argument value is supplied. You can determine the position of the incorrect argument by the info() method of the exception object. |
Return Values#
The number of elements of type T the scratchpad memory to be passed to the getrsnp_batch (Strided Version) function must be able to hold.