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Diffstat (limited to 'src/core/NEON/kernels/convolution/common/utils.hpp')
-rw-r--r-- | src/core/NEON/kernels/convolution/common/utils.hpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/core/NEON/kernels/convolution/common/utils.hpp b/src/core/NEON/kernels/convolution/common/utils.hpp new file mode 100644 index 0000000000..b7a9517c65 --- /dev/null +++ b/src/core/NEON/kernels/convolution/common/utils.hpp @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2017-2018 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. + */ + +#pragma once + +#include <limits> + +void PrintMatrix(const float *const m, const int M, const int N, const int row_stride); + +constexpr inline int iceildiv(const int a, const int b) +{ + return (a + b - 1) / b; +} + +template <typename T> +inline T roundup(const T a, const T b) +{ + return b * iceildiv(a, b); +} + +template<typename T> +struct TypeBounds +{ + static constexpr T lower() noexcept { return std::numeric_limits<T>::has_infinity + ? -std::numeric_limits<T>::infinity() + : std::numeric_limits<T>::lowest(); }; + static constexpr T upper() noexcept { return std::numeric_limits<T>::has_infinity + ? std::numeric_limits<T>::infinity() + : std::numeric_limits<T>::max(); }; +}; + +#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC +template<> +struct TypeBounds<__fp16> +{ + static constexpr __fp16 lower() noexcept { return -std::numeric_limits<float>::infinity(); }; + static constexpr __fp16 upper() noexcept { return std::numeric_limits<float>::infinity(); } +}; +#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */ |