o i@s0ddlZddlmZeddddZddZdS) N)_utilz T A, N r, N czN outzout = A != 0 ? r - c : 0cupyx_scipy_linalg_band_posc Cst|}|jdkr dSt||jdr|j}n|}|j\}}tjd|d|f\}}t |||}|jdrLt t |}t t | }||fSt t |}t t | }||fS)aReturn the lower and upper bandwidth of a 2D numeric array. Parameters ---------- a : ndarray Input array of size (M, N) Returns ------- lu : tuple 2-tuple of ints indicating the lower and upper bandwidth. A zero denotes no sub- or super-diagonal on that side (triangular), and, say for M rows (M-1) means that side is full. Same example applies to the upper triangular part with (N-1). .. seealso:: :func:`scipy.linalg.bandwidth` r)rr F_CONTIGUOUS) cupyasarraysizer _assert_2dflagsTshapemgrid_kernel_cupy_band_pos_cintamaxamin) aAmnrow_numcol_numbandpts upper_band lower_bandr\/home/ubuntu/veenaModal/venv/lib/python3.10/site-packages/cupyx/scipy/linalg/_array_utils.py bandwidth s"       r)r cupy.linalgrElementwiseKernelr rrrrrs