From 4907f627546c77a7ba296931e6c0dc468c9be81d Mon Sep 17 00:00:00 2001
From: auphelia <jakobapk@web.de>
Date: Thu, 9 Mar 2023 08:48:04 +0000
Subject: [PATCH] [Util] Fix interpretation of dtype to check for signed
integer
---
src/finn/util/data_packing.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/finn/util/data_packing.py b/src/finn/util/data_packing.py
index 3602b1bdd..a41fe882e 100644
--- a/src/finn/util/data_packing.py
+++ b/src/finn/util/data_packing.py
@@ -220,7 +220,7 @@ def unpack_innermost_dim_from_hex_string(
if conv_dtype == DataType["BIPOLAR"]:
ar_list = [2 * x - 1 for x in ar_list]
# interpret values as signed values
- elif dtype.signed():
+ elif conv_dtype.signed() and conv_dtype.is_integer():
mask = 2 ** (conv_dtype.bitwidth() - 1)
ar_list = [-(x & mask) + (x & ~mask) for x in ar_list]
--
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