geqrf_scratchpad_size¶
Computes size of scratchpad memory required for geqrf (USM Version)
function. This routine belongs to the
oneapi::mkl::lapacknamespace.
Syntax
-
template<typename T>
-
std::int64_t
geqrf_scratchpad_size(cl::sycl::queue &queue, std::int64_t m, std::int64_t n, std::int64_t lda)¶
Description
Computes the number of elements of type T the scratchpad memory to be passed to the geqrf (buffer or USM version) function should be able to hold.
Input Parameters
- queue
Device queue where calculations by the geqrf (buffer or USM version) function will be performed.
- m
The number of rows in the matrix
A(0≤m).- n
The number of columns in the matrix
A(0≤n).- lda
The leading dimension of
a.
Exceptions
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 geqrf (buffer or USM version) function should be able to hold.