From 2077348da176dd5f264bb04a0b500c5901969d09 Mon Sep 17 00:00:00 2001
From: Tianle Cheng <tianle.cheng@arm.com>
Date: Tue, 3 Oct 2023 12:01:11 +0100
Subject: IVGCVSW-7749 DTS: Fix reshape floating point exception

  * Updated Opaque Delegate, TfliteParser, OnnxParser, and Deserializer to handle the Zero In Shape edge case

Signed-off-by: Tianle Cheng <tianle.cheng@arm.com>
Change-Id: I4a0d1e72a66de1fa56de99af9b6730a84e0ff596
---
 src/armnnDeserializer/Deserializer.cpp | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

(limited to 'src/armnnDeserializer/Deserializer.cpp')

diff --git a/src/armnnDeserializer/Deserializer.cpp b/src/armnnDeserializer/Deserializer.cpp
index 6e2c07bf37..f455b1af0a 100644
--- a/src/armnnDeserializer/Deserializer.cpp
+++ b/src/armnnDeserializer/Deserializer.cpp
@@ -2632,7 +2632,23 @@ armnn::TensorInfo IDeserializer::DeserializerImpl::OutputShapeOfReshape(const ar
                std::accumulate(targetDimsIn.begin(), targetDimsIn.end(), -1, std::multiplies<int32_t>()));
 
         auto stretchIndex = static_cast<size_t>(std::distance(targetDimsIn.begin(), stretchDim));
-        outputDims[stretchIndex] = inputTensorInfo.GetNumElements() / targetNumElements;
+        if (targetNumElements == 0)
+        {
+            if (inputTensorInfo.GetNumElements() == 0)
+            {
+                outputDims[stretchIndex] = 0;
+            }
+            else
+            {
+                throw ParseException(
+                        fmt::format("Input to reshape is a tensor with elements, but the requested shape has 0. {}",
+                                    CHECK_LOCATION().AsString()));
+            }
+        }
+        else
+        {
+            outputDims[stretchIndex] = inputTensorInfo.GetNumElements() / targetNumElements;
+        }
     }
 
     TensorShape outputShape = TensorShape(static_cast<unsigned int>(outputDims.size()), outputDims.data());
-- 
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