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[InferDT] MAC-like node dtype output to fp32 if any fp32 operands #230

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Merged
jmitrevs merged 1 commit into from
Jan 29, 2026
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[InferDT] MAC-like node dtype output to fp32 if any fp32 operands #230

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4 changes: 4 additions & 0 deletions src/qonnx/transformation/infer_datatypes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,10 @@ def infer_mac_result_dtype(idtypes, odtype_orig, possible_negation):
ret = DataType["INT32"] if maybe_signed else DataType["UINT32"]
elif all([is_scaled_int(x) for x in idtypes]):
ret = DataType["SCALEDINT<32>"]
elif any(["FLOAT" in x.name for x in idtypes]):
# default to float32 if any inps are float
# TODO use output container dtype instead?
ret = DataType["FLOAT32"]
return ret


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