Intel® oneAPI Math Kernel Library (oneMKL) - Data Parallel C++ Developer Reference
A newer version of this document is available. Customers should click here to go to the newest version.
Visible to Intel only — GUID: GUID-A56140C5-E232-4692-B204-A9FE6226C086
Visible to Intel only — GUID: GUID-A56140C5-E232-4692-B204-A9FE6226C086
oneapi::mkl::sparse::init_matmat_descr
Allocates and initializes a oneapi::mkl::sparse::matmat_descr_t object to default values.
Description
The oneapi::mkl::sparse::init_matmat_descr routine allocates and initializes the oneapi::mkl::sparse::matmat_descr_t object with default values, otherwise it throws an exception.
A common usage model for the matmat descriptor is the following
using namespace oneapi::mkl; sparse::matmat_descr_t descr = NULL; sparse::init_matmat_descr(descr); // example descriptor for general // C = A * B^T sparse::matrix_view_descr viewA = sparse::matrix_view_descr::general; sparse::matrix_view_descr viewB = sparse::matrix_view_descr::general; sparse::matrix_view_descr viewC = sparse::matrix_view_descr::general; transpose opA = transpose::nontrans; transpose opB = transpose::trans; sparse::set_matmat_data(descr, viewA, opA, viewB, opB, viewC); // use descr in sparse::matmat() api sparse::release_matmat_descr(descr);
API
Syntax
namespace oneapi::mkl::sparse { void init_matmat_descr ( oneapi::mkl::sparse::matmat_descr_t *descr ); }
Include Files
oneapi/mkl/spblas.hpp