Function coeff

extensions/include/cuMat/src/Matrix.h:655–660

	* \return a read-only reference to the entry
	*/
	__device__ CUMAT_STRONG_INLINE _Scalar coeff(Index row, Index col, Index batch, Index /*index*/) const
	{
		Index idx = index(row, col, batch);
		//printf("[Thread %06d] memread %p at %i\n", int(blockIdx.x * blockDim.x + threadIdx.x), data_.data(), int(idx));
		return cuda::load(data_.data() + idx);
	}

	/**
	 * \brief Access to the linearized coefficient, write-only.