{ "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" ] } }