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authorDavid Beck <david.beck@arm.com>2018-09-19 12:03:20 +0100
committerMatthew Bentham <matthew.bentham@arm.com>2018-10-10 16:16:56 +0100
commit10b4dfd8e9ccd7a03df7bb053ee1c644cb37f8ab (patch)
tree1ac5b4f415531e2ef759439ab8e113f177bea7c5 /src/armnn/backends/RefWorkloads/Activation.cpp
parenta3f165624b2cdfbced674af5a6e11856b1e746d9 (diff)
downloadarmnn-10b4dfd8e9ccd7a03df7bb053ee1c644cb37f8ab.tar.gz
IVGCVSW-1897 : build infrastructure for the src/backends folder
Change-Id: I7ebafb675ccc77ad54d1deb01412a8379a5356bb
Diffstat (limited to 'src/armnn/backends/RefWorkloads/Activation.cpp')
-rw-r--r--src/armnn/backends/RefWorkloads/Activation.cpp91
1 files changed, 0 insertions, 91 deletions
diff --git a/src/armnn/backends/RefWorkloads/Activation.cpp b/src/armnn/backends/RefWorkloads/Activation.cpp
deleted file mode 100644
index ef4903074b..0000000000
--- a/src/armnn/backends/RefWorkloads/Activation.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-//
-// Copyright © 2017 Arm Ltd. All rights reserved.
-// SPDX-License-Identifier: MIT
-//
-
-#include "Activation.hpp"
-
-#include <boost/log/trivial.hpp>
-
-#include <cmath>
-
-namespace armnn
-{
-
-void Activation(const float* in,
- float* out,
- const TensorInfo& tensorInfo,
- ActivationFunction function,
- float a,
- float b)
-{
- for (size_t i = 0; i<tensorInfo.GetNumElements(); i++)
- {
- float input = in[i];
- float output;
-
- // Compute the result of the activation function.
- switch (function)
- {
- case ActivationFunction::Linear:
- {
- output = a * input + b;
- break;
- }
- case ActivationFunction::Sigmoid:
- {
- output = 1.f / (1.f + expf(-input));
- break;
- }
- case ActivationFunction::ReLu:
- {
- output = std::max(0.f, input);
- break;
- }
- case ActivationFunction::BoundedReLu:
- {
- output = std::min(a, std::max(b, input));
- break;
- }
- case ActivationFunction::SoftReLu:
- {
- output = logf(1.0f + expf(input));
- break;
- }
- case ActivationFunction::LeakyReLu:
- {
- output = input > 0.0f ? input : (input * a);
- break;
- }
- case ActivationFunction::Abs:
- {
- output = input < 0 ? -input : input;
- break;
- }
- case ActivationFunction::Sqrt:
- {
- output = sqrtf(input);
- break;
- }
- case ActivationFunction::Square:
- {
- output = input * input;
- break;
- }
- case ActivationFunction::TanH:
- {
- output = a * tanhf(b * input);
- break;
- }
- default:
- {
- BOOST_LOG_TRIVIAL(error) << "Unsupported activation function";
- return;
- }
- }
-
- out[i] = output;
- }
-}
-
-} //namespace armnn