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"name": "loop_112",
"op_type": "loop_112",
"description": "Complex multiply-accumulate over arrays of uint32 complex numbers",
"tags": [
"simd-loop"
],
"axes": {
"size": {
"type": "var",
"description": "axis size"
},
"cdim": {
"type": "const",
"value": 2,
"description": "const cdim"
}
},
"inputs": {
"a0": {
"shape": [
"size",
"cdim"
],
"dtype": "uint32"
},
"b0": {
"shape": [
"size",
"cdim"
],
"dtype": "uint32"
}
},
"outputs": {
"c0": {
"shape": [
"size",
"cdim"
],
"dtype": "uint32",
"description": "Output array"
}
},
"reference": "import numpy as np\n\n_M = np.uint64(0xffffffff)\n\ndef run(a0, b0):\n ar = a0[:, 0].astype(np.uint64); ai = a0[:, 1].astype(np.uint64)\n br = b0[:, 0].astype(np.uint64); bi = b0[:, 1].astype(np.uint64)\n cr = (ar * br - ai * bi) & _M\n ci = (ar * bi + ai * br) & _M\n return np.stack([cr, ci], axis=1).astype(np.uint32)\n",
"simd_loop_meta": {
"output_inplace": false,
"array_pad": 0,
"scratch": [],
"axes_order": [
"size"
]
}
}
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