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Diffstat (limited to 'tests/validation/CPP/ReductionOperation.cpp')
-rw-r--r-- | tests/validation/CPP/ReductionOperation.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/tests/validation/CPP/ReductionOperation.cpp b/tests/validation/CPP/ReductionOperation.cpp new file mode 100644 index 0000000000..acfcc09cea --- /dev/null +++ b/tests/validation/CPP/ReductionOperation.cpp @@ -0,0 +1,93 @@ +/* + * 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 "ReductionOperation.h" + +#include "tests/validation/Helpers.h" + +#include <algorithm> +#include <cmath> + +namespace arm_compute +{ +namespace test +{ +namespace validation +{ +namespace reference +{ +namespace +{ +template <typename T> +struct square +{ + T operator()(const T &lhs, const T &rhs) const + { + return (lhs + rhs * rhs); + } +}; + +template <typename T> +T reduce_operation(T *ptr, int reduce_elements, ReductionOperation op) +{ + switch(op) + { + case ReductionOperation::SUM_SQUARE: + return std::accumulate(ptr, ptr + reduce_elements, 0.f, square<T>()); + default: + ARM_COMPUTE_ERROR("Unsupported reduction operation"); + } +} +} // namespace + +template <typename T> +SimpleTensor<T> reduction_operation(const SimpleTensor<T> &src, const TensorShape &dst_shape, unsigned int axis, ReductionOperation op) +{ + // Create reference + SimpleTensor<T> dst{ dst_shape, src.data_type() }; + + // Compute reference + const int reduce_elems = src.shape()[axis]; + const int upper_dims = src.shape().total_size_upper(axis + 1); + + for(int du = 0; du < upper_dims; ++du) + { + if(axis == 0) + { + const T *src_row_ptr = src.data() + du * reduce_elems; + dst[du] = reduce_operation(src_row_ptr, reduce_elems, op); + } + else + { + ARM_COMPUTE_ERROR("Unsupported reduction axis"); + } + } + + return dst; +} + +template SimpleTensor<float> reduction_operation(const SimpleTensor<float> &src, const TensorShape &dst_shape, unsigned int axis, ReductionOperation op); +} // namespace reference +} // namespace validation +} // namespace test +} // namespace arm_compute |