From 836719056db8749fcc9fb2f7207d192cb6ce4aad Mon Sep 17 00:00:00 2001
From: Meghna Natraj <mnatraj@google.com>
Date: Tue, 11 Feb 2020 13:32:50 -0800
Subject: [PATCH] Resolve warnings by adding a return statement to a non-void
 function in activation_utils.h

PiperOrigin-RevId: 294507820
Change-Id: Ic226ee343d5b785289491382f793213cee8e073e
---
 tensorflow/lite/micro/kernels/activation_utils.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tensorflow/lite/micro/kernels/activation_utils.h b/tensorflow/lite/micro/kernels/activation_utils.h
index 62f3237bac4..04fd2bd88a9 100644
--- a/tensorflow/lite/micro/kernels/activation_utils.h
+++ b/tensorflow/lite/micro/kernels/activation_utils.h
@@ -42,6 +42,8 @@ inline float ActivationValFloat(TfLiteFusedActivation act, float a) {
     case kTfLiteActSigmoid:
       return 1.0f / (1.0f + std::exp(-a));
   }
+  return 0.0f;  // To indicate an unsupported activation (i.e. when a new fused
+                // activation is added to the enum and not handled here).
 }
 
 }  // namespace micro