definitions/simd-loop/loop_110.json

{
  "name": "loop_110",
  "op_type": "loop_110",
  "description": "Compute complex dot product of two arrays of uint32 complex numbers",
  "tags": [
    "simd-loop"
  ],
  "axes": {
    "size": {
      "type": "var",
      "description": "axis size"
    },
    "size2": {
      "type": "var",
      "description": "axis size2"
    },
    "cdim": {
      "type": "const",
      "value": 2,
      "description": "const cdim"
    }
  },
  "inputs": {
    "a0": {
      "shape": [
        "size2",
        "cdim"
      ],
      "dtype": "int8"
    },
    "b0": {
      "shape": [
        "size2",
        "cdim"
      ],
      "dtype": "int8"
    }
  },
  "outputs": {
    "c0": {
      "shape": [
        "size",
        "cdim"
      ],
      "dtype": "int32",
      "description": "Output array"
    }
  },
  "reference": "import numpy as np\n\ndef run(a0, b0):\n    a = a0.astype(np.int64); b = b0.astype(np.int64)\n    ae, ao = a[0::2], a[1::2]; be, bo = b[0::2], b[1::2]\n    cr = (ae[:, 0]*be[:, 0] - ae[:, 1]*be[:, 1]) + (ao[:, 0]*bo[:, 0] - ao[:, 1]*bo[:, 1])\n    ci = (ae[:, 1]*be[:, 0] + ae[:, 0]*be[:, 1]) + (ao[:, 1]*bo[:, 0] + ao[:, 0]*bo[:, 1])\n    return np.stack([cr, ci], axis=1).astype(np.int32)\n",
  "simd_loop_meta": {
    "output_inplace": false,
    "array_pad": 0,
    "scratch": [],
    "axes_order": [
      "size"
    ]
  }
}