onnxscript/tests/models/loops_while.py

# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.

from onnx import TensorProto
from onnx.helper import make_tensor

from onnxscript import script
from onnxscript.onnx_opset import opset15 as op
from onnxscript.onnx_types import FLOAT

# same variable assigned multiple times


@script()
def loop1(A: FLOAT["N"]) -> FLOAT["N"]:
    T = A
    for i in range(10):
        T = T + A * op.Cast(i, to=TensorProto.FLOAT)
    return T


@script()
def loop_range_cond_only(A: FLOAT["N"]) -> FLOAT["N"]:
    T = A
    cond = op.Constant(value=make_tensor("true", TensorProto.BOOL, [], [1]))
    while cond:
        T = T + A
        cond = op.ReduceSum(T) > -10
    return T