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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"DeprecationWarning when broadcasting scalar array type over DOFArray","articleBody":"As discussed from CS meeting earlier, I am getting a `DeprecationWarning` when dividing a DOFArray by an arraycontext scalar:\r\n\r\n```\r\n/Users/nnytko2/Git/ceesd-nonlinear-solve/code/actx_issue.py:17: DeprecationWarning: Broadcasting \u003cclass 'meshmode.dof_array.DOFArray'\u003e over array context array type \u003cclass 'arraycontext.impl.pyopencl.taggable_cl_array.TaggableCLArray'\u003e is deprecated and will no longer work in 2025. There is no replacement as of right now. See the discussion in https://github.com/inducer/arraycontext/pull/190.\r\n  y = x / flat_norm(x) # Warning occurs here\r\n```\r\n\r\nAnd minimal reproducing example:\r\n```python\r\nimport numpy as np\r\nimport pyopencl as cl\r\nfrom grudge.discretization import make_discretization_collection\r\nfrom meshmode.array_context import PyOpenCLArrayContext\r\nfrom meshmode.mesh.generation import generate_box_mesh\r\nfrom meshmode.dof_array import flat_norm\r\nfrom pytools.obj_array import flat_obj_array\r\n\r\nctx = cl.create_some_context()\r\nqueue = cl.CommandQueue(ctx)\r\nactx = PyOpenCLArrayContext(queue)\r\n\r\nmesh = generate_box_mesh((np.linspace(0, 1, 10),))\r\ndcoll = make_discretization_collection(actx, mesh, order=1)\r\n\r\nx = dcoll.zeros(actx) + 1.\r\ny = x / flat_norm(x) # Warning occurs here\r\n\r\n```","author":{"url":"https://github.com/nicknytko","@type":"Person","name":"nicknytko"},"datePublished":"2024-12-10T17:01:25.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/292/arraycontext/issues/292"}