diff options
Diffstat (limited to 'tests/validation/reference/Magnitude.cpp')
-rw-r--r-- | tests/validation/reference/Magnitude.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/tests/validation/reference/Magnitude.cpp b/tests/validation/reference/Magnitude.cpp new file mode 100644 index 0000000000..f0002bfb33 --- /dev/null +++ b/tests/validation/reference/Magnitude.cpp @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2017 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "Magnitude.h" + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +template <typename T> +SimpleTensor<T> magnitude(const SimpleTensor<T> &gx, const SimpleTensor<T> &gy, MagnitudeType magnitude_type) +{ + SimpleTensor<T> mag(gx.shape(), gx.data_type()); + + using intermediate_type = typename common_promoted_unsigned_type<T>::intermediate_type; + + for(int i = 0; i < gx.num_elements(); ++i) + { + double val = 0.f; + + if(magnitude_type == MagnitudeType::L1NORM) + { + val = static_cast<intermediate_type>(std::abs(gx[i])) + static_cast<intermediate_type>(std::abs(gy[i])); + } + else // MagnitudeType::L2NORM + { + // Note: kernel saturates to uint32_t instead of intermediate_type for S32 format + auto sum = static_cast<uint32_t>(gx[i] * gx[i]) + static_cast<uint32_t>(gy[i] * gy[i]); + val = std::sqrt(sum) + 0.5f; + } + + mag[i] = saturate_cast<T>(val); + } + + return mag; +} + +template SimpleTensor<int16_t> magnitude(const SimpleTensor<int16_t> &gx, const SimpleTensor<int16_t> &gy, MagnitudeType magnitude_type); +template SimpleTensor<int32_t> magnitude(const SimpleTensor<int32_t> &gx, const SimpleTensor<int32_t> &gy, MagnitudeType magnitude_type); +template SimpleTensor<half_float::half> magnitude(const SimpleTensor<half_float::half> &gx, const SimpleTensor<half_float::half> &gy, MagnitudeType magnitude_type); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute |