orgqr_scratchpad_size
Computes size of scratchpad memory required for
orgqr
(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 orgqr
(buffer or USM version) function should be able to hold.API
Syntax
namespace oneapi::mkl::lapack {
template<typename T>
std::int64_t orgqr_scratchpad_size(cl::sycl::queue &queue,
std::int64_t m,
std::int64_t n,
std::int64_t k,
std::int64_t lda)
}
Input Parameters
- queue
- Device queue where calculations by the orgqr (buffer or USM version) function will be performed.
- m
- The number of rows in the matrixA(0≤m).
- n
- The number of columns in the matrixA(0≤n).
- k
- The number of elementary reflectors whose product defines the matrixQ(0≤k≤n).
- lda
- The leading dimension of a (lda≤m).
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 orgqr
(buffer or USM version) function should be able to hold.