definitions/simd-loop/loop_010.json

{
  "name": "loop_010",
  "op_type": "loop_010",
  "description": "Find the last active element of an FP array under a computed predicate",
  "tags": [
    "simd-loop"
  ],
  "axes": {
    "N": {
      "type": "var",
      "description": "Array length"
    }
  },
  "inputs": {
    "a": {
      "shape": [
        "N"
      ],
      "dtype": "float32"
    }
  },
  "outputs": {
    "res": {
      "shape": null,
      "dtype": "int32",
      "description": "Scalar result"
    }
  },
  "reference": "import numpy as np\n\ndef run(a):\n    any_neg = bool(np.any(a < 0))\n    all_neg = bool(np.all(a < 0))\n    return np.int32(1 if all_neg else (2 if any_neg else 3))\n",
  "simd_loop_meta": {
    "output_inplace": false,
    "array_pad": 0,
    "scratch": []
  }
}