ormqr_scratchpad_size
Computes size of scratchpad memory required for
ormqr
(USM 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 ormqr
(buffer or USM version) function should be able to hold.API
Syntax
namespace oneapi::mkl::lapack {
template<typename T>
std::int64_t ormqr_scratchpad_size(cl::sycl::queue &queue,
mkl::side side,
mkl::transpose trans,
std::int64_t m,
std::int64_t n,
std::int64_t k,
std::int64_t lda,
std::int64_t ldc)
}
Input Parameters
- queue
- Device queue where calculations by the ormqr (buffer or USM version) function will be performed.
- side
- Ifside=mkl::side::left,QorQTis applied toCfrom the left.Ifside=mkl::side::right,QorQTis applied toCfrom the right.
- trans
- Iftrans=mkl::transpose::trans, the routine multipliesCbyQ.Iftrans=mkl::transpose::nontrans, the routine multipliesCbyQT.
- m
- The number of rows in the matrixA(0≤m).
- n
- The number of columns in the matrixA(0≤n≤m).
- k
- The number of elementary reflectors whose product defines the matrixQ(0≤k≤n).
- lda
- The leading dimension of a.
- ldc
- The leading dimension of c.
Exceptions
Exception | Description |
---|---|
mkl::lapack::exception | 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 ormqr
(buffer or USM version) function should be able to hold.