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author | David Beck <david.beck@arm.com> | 2018-09-06 16:46:34 +0100 |
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committer | Matthew Bentham <matthew.bentham@arm.com> | 2018-09-25 14:54:29 +0100 |
commit | f195f03e095a5c4dc6880be11af64cab83b5c94b (patch) | |
tree | d1c6d7d46ed70b915772bd50c5074d13443d9bca /src/armnn/backends/RefWorkloads/Subtraction.cpp | |
parent | c2044fe9d26a8b6afca48aee04bd5d29f8e27b8d (diff) | |
download | armnn-f195f03e095a5c4dc6880be11af64cab83b5c94b.tar.gz |
IVGCVSW-1803 : add Ref Subtraction layer
Change-Id: I4c019d626f9369245eca6d549bbe7a28e141f198
Diffstat (limited to 'src/armnn/backends/RefWorkloads/Subtraction.cpp')
-rw-r--r-- | src/armnn/backends/RefWorkloads/Subtraction.cpp | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/armnn/backends/RefWorkloads/Subtraction.cpp b/src/armnn/backends/RefWorkloads/Subtraction.cpp new file mode 100644 index 0000000000..f25c8adb1c --- /dev/null +++ b/src/armnn/backends/RefWorkloads/Subtraction.cpp @@ -0,0 +1,44 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// SPDX-License-Identifier: MIT +// + +#include "Subtraction.hpp" +#include "Broadcast.hpp" + +#include <functional> + +namespace +{ + +void ElementwiseSubtraction(unsigned int numElements, const float* inData0, const float* inData1, float* outData) +{ + for (unsigned int i = 0; i < numElements; ++i) + { + outData[i] = inData0[i] - inData1[i]; + } +} + +} // namespace + +namespace armnn +{ + +void Subtraction(const TensorShape& inShape0, + const TensorShape& inShape1, + const TensorShape& outShape, + const float* inData0, + const float* inData1, + float* outData) +{ + if (inShape0 == inShape1) + { + ElementwiseSubtraction(inShape0.GetNumElements(), inData0, inData1, outData); + } + else + { + BroadcastLoop(inShape0, inShape1, outShape).Unroll(std::minus<float>(), 0, inData0, inData1, outData); + } +} + +} //namespace armnn |