pub fn spmm_buffer_size<Compute: DataTypeLike>(
ctx: &Context,
op_a: Operation,
op_b: Operation,
alpha: Scalar<'_, Compute>,
matrix_a: &SparseMatrixDescriptor<'_>,
matrix_b: &DenseMatrixDescriptor<'_>,
beta: Scalar<'_, Compute>,
matrix_c: &mut DenseMatrixDescriptor<'_>,
algorithm: SpMmAlgorithm,
) -> Result<usize>