From a0205b987509d239b1635024fe8f334a4534f56e Mon Sep 17 00:00:00 2001
From: Sang-Hoon Park <sang-hoon.park@arm.com>
Date: Tue, 7 Jul 2020 09:36:09 +0100
Subject: COMPMID-3574: add logarithm to LogSoftmaxLayer

Missed logarithm for the summation is added to NEON, CL and reference
backends. To avoid complex changes, log softmax layer on CL backend
doesn't support quantized data types. Tests and doxygen comments
are modified accordingly.

Change-Id: Iafd29291be8b81345cb4999b2668dbc3ae0c3345
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3517
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-by: SiCong Li <sicong.li@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
---
 tests/validation/reference/SoftmaxLayer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tests/validation/reference/SoftmaxLayer.cpp')

diff --git a/tests/validation/reference/SoftmaxLayer.cpp b/tests/validation/reference/SoftmaxLayer.cpp
index 9a8d46d516..e295f73f52 100644
--- a/tests/validation/reference/SoftmaxLayer.cpp
+++ b/tests/validation/reference/SoftmaxLayer.cpp
@@ -85,7 +85,7 @@ SimpleTensor<T> softmax_layer_generic(const SimpleTensor<T> &src, float beta, in
         {
             if(is_log)
             {
-                return val - sum;
+                return val - static_cast<T>(std::log(sum));
             }
             else
             {
-- 
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