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| author | Richard Burton <richard.burton@arm.com> | 2022-02-14 11:55:35 +0000 |
|---|---|---|
| committer | Richard <richard.burton@arm.com> | 2022-02-14 15:02:26 +0000 |
| commit | ed35a6fea4a1604db81c56fc71f7756822fcf212 (patch) | |
| tree | f04b7d41ded8b4824978c2feaf120a3b6e1be2fb /source/math | |
| parent | e2da7ee5e9732ec0d1962b7d74737b8ef5463a9e (diff) | |
| download | ml-embedded-evaluation-kit-ed35a6fea4a1604db81c56fc71f7756822fcf212.tar.gz | |
MLECO-2874: Move NMS out of the OD use_case
* Add ImageUtils
* Move image related code from UseCaseCommonUtils to ImageUtils
* Move NMS related code to ImageUtils
* Delete test specific ImageUtils and use new ImageUtils
Signed-off-by: Richard Burton <richard.burton@arm.com>
Change-Id: Icbf5dd9c6a941b0126ecdf69a0c9d9969f22729f
Diffstat (limited to 'source/math')
| -rw-r--r-- | source/math/PlatformMath.cc | 7 | ||||
| -rw-r--r-- | source/math/include/PlatformMath.hpp | 14 |
2 files changed, 16 insertions, 5 deletions
diff --git a/source/math/PlatformMath.cc b/source/math/PlatformMath.cc index cc603f3..b666d29 100644 --- a/source/math/PlatformMath.cc +++ b/source/math/PlatformMath.cc @@ -1,5 +1,5 @@ /* - * Copyright (c) 2021 Arm Limited. All rights reserved. + * Copyright (c) 2021-2022 Arm Limited. All rights reserved. * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -303,6 +303,11 @@ namespace math { } } + float MathUtils::SigmoidF32(float x) + { + return 1.f/(1.f + std::exp(-x)); + } + } /* namespace math */ } /* namespace app */ } /* namespace arm */ diff --git a/source/math/include/PlatformMath.hpp b/source/math/include/PlatformMath.hpp index 5ac10de..2bf7733 100644 --- a/source/math/include/PlatformMath.hpp +++ b/source/math/include/PlatformMath.hpp @@ -1,5 +1,5 @@ /* - * Copyright (c) 2021 Arm Limited. All rights reserved. + * Copyright (c) 2021-2022 Arm Limited. All rights reserved. * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -19,7 +19,6 @@ /* See if ARM DSP functions can be used. */ #if defined(ARM_MATH_DSP) - #include "arm_math.h" #define M_PI (PI) #else @@ -127,8 +126,8 @@ namespace math { * @param[out] output Pre-allocated buffer to be populated with * natural log values of each input element. */ - static void VecLogarithmF32(std::vector <float>& input, - std::vector <float>& output); + static void VecLogarithmF32(std::vector<float>& input, + std::vector<float>& output); /** * @brief Computes the dot product of two 1D floating point @@ -165,6 +164,13 @@ namespace math { * @param[in] vector Vector of floats modified in-place */ static void SoftmaxF32(std::vector<float>& vec); + + /** + * @brief Calculate the Sigmoid function of the given value. + * @param[in] x Value to apply Sigmoid to. + * @return Sigmoid value of the input. + */ + static float SigmoidF32(float x); }; } /* namespace math */ |