diff options
Diffstat (limited to 'arm_compute/core/utils/misc')
-rw-r--r-- | arm_compute/core/utils/misc/CRTP.h | 55 | ||||
-rw-r--r-- | arm_compute/core/utils/misc/Cast.h | 119 | ||||
-rw-r--r-- | arm_compute/core/utils/misc/ICloneable.h | 48 | ||||
-rw-r--r-- | arm_compute/core/utils/misc/Iterable.h | 108 | ||||
-rw-r--r-- | arm_compute/core/utils/misc/Random.h | 98 | ||||
-rw-r--r-- | arm_compute/core/utils/misc/Requires.h | 51 | ||||
-rw-r--r-- | arm_compute/core/utils/misc/Rounding.h | 205 | ||||
-rw-r--r-- | arm_compute/core/utils/misc/SaturateCast.h | 218 |
8 files changed, 0 insertions, 902 deletions
diff --git a/arm_compute/core/utils/misc/CRTP.h b/arm_compute/core/utils/misc/CRTP.h deleted file mode 100644 index d295500bef..0000000000 --- a/arm_compute/core/utils/misc/CRTP.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - * Copyright (c) 2018-2019 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. - */ -#ifndef ARM_COMPUTE_MISC_CRTP_H -#define ARM_COMPUTE_MISC_CRTP_H - -namespace arm_compute -{ -namespace misc -{ -/** Curiously recurring template pattern Interface */ -template <typename T, template <typename> class Type> -struct CRTP -{ -public: - /** Exact type */ - using ExactType = T; - -protected: - const T &impl() const - { - return static_cast<const T &>(*this); - } - T &impl() - { - return static_cast<T &>(*this); - } - -private: - CRTP() = default; - friend Type<T>; -}; -} // namespace misc -} // namespace arm_compute -#endif /* ARM_COMPUTE_MISC_CRTP_H */ diff --git a/arm_compute/core/utils/misc/Cast.h b/arm_compute/core/utils/misc/Cast.h deleted file mode 100644 index 57c7e49942..0000000000 --- a/arm_compute/core/utils/misc/Cast.h +++ /dev/null @@ -1,119 +0,0 @@ -/* - * Copyright (c) 2018-2019 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. - */ -#ifndef ARM_COMPUTE_MISC_CAST_H -#define ARM_COMPUTE_MISC_CAST_H - -#include "arm_compute/core/Error.h" - -namespace arm_compute -{ -namespace utils -{ -namespace cast -{ -/** Polymorphic cast between two types - * - * @warning Will throw an exception if cast cannot take place - * - * @tparam Target Target to cast type - * @tparam Source Source from cast type - * - * @param[in] v Value to cast - * - * @return The casted value - */ -template <typename Target, typename Source> -inline Target polymorphic_cast(Source *v) -{ - if(dynamic_cast<Target>(v) == nullptr) - { - ARM_COMPUTE_THROW(std::bad_cast()); - } - return static_cast<Target>(v); -} - -/** Polymorphic down cast between two types - * - * @warning Will assert if cannot take place - * - * @tparam Target Target to cast type - * @tparam Source Source from cast type - * - * @param[in] v Value to cast - * - * @return The casted value - */ -template <typename Target, typename Source> -inline Target polymorphic_downcast(Source *v) -{ - ARM_COMPUTE_ERROR_ON(dynamic_cast<Target>(v) != static_cast<Target>(v)); - return static_cast<Target>(v); -} - -/** Polymorphic cast between two unique pointer types - * - * @warning Will throw an exception if cast cannot take place - * - * @tparam Target Target to cast type - * @tparam Source Source from cast type - * @tparam Deleter Deleter function type - * - * @param[in] v Value to cast - * - * @return The casted value - */ -template <typename Target, typename Source, typename Deleter> -std::unique_ptr<Target, Deleter> polymorphic_cast_unique_ptr(std::unique_ptr<Source, Deleter> &&v) -{ - if(dynamic_cast<Target *>(v.get()) == nullptr) - { - ARM_COMPUTE_THROW(std::bad_cast()); - } - auto r = static_cast<Target *>(v.release()); - return std::unique_ptr<Target, Deleter>(r, std::move(v.get_deleter())); -} - -/** Polymorphic down cast between two unique pointer types - * - * @warning Will assert if cannot take place - * - * @tparam Target Target to cast type - * @tparam Source Source from cast type - * @tparam Deleter Deleter function type - * - * @param[in] v Value to cast - * - * @return The casted value - */ -template <typename Target, typename Source, typename Deleter> -std::unique_ptr<Target, Deleter> polymorphic_downcast_unique_ptr(std::unique_ptr<Source, Deleter> &&v) -{ - ARM_COMPUTE_ERROR_ON(dynamic_cast<Target *>(v.get()) != static_cast<Target *>(v.get())); - auto r = static_cast<Target *>(v.release()); - return std::unique_ptr<Target, Deleter>(r, std::move(v.get_deleter())); -} -} // namespace cast -} // namespace utils -} // namespace arm_compute -#endif /* ARM_COMPUTE_MISC_CAST_H */ diff --git a/arm_compute/core/utils/misc/ICloneable.h b/arm_compute/core/utils/misc/ICloneable.h deleted file mode 100644 index cbb0b3c149..0000000000 --- a/arm_compute/core/utils/misc/ICloneable.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Copyright (c) 2017-2019 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. - */ -#ifndef ARM_COMPUTE_MISC_ICLONEABLE_H -#define ARM_COMPUTE_MISC_ICLONEABLE_H - -#include <memory> - -namespace arm_compute -{ -namespace misc -{ -/** Clonable Interface */ -template <class T> -class ICloneable -{ -public: - /** Default virtual desctructor */ - virtual ~ICloneable() = default; - /** Provide a clone of the current object of class T - * - * @return Clone object of class T - */ - virtual std::unique_ptr<T> clone() const = 0; -}; -} // namespace misc -} // namespace arm_compute -#endif /* ARM_COMPUTE_MISC_ICLONEABLE_H */ diff --git a/arm_compute/core/utils/misc/Iterable.h b/arm_compute/core/utils/misc/Iterable.h deleted file mode 100644 index 34232088e8..0000000000 --- a/arm_compute/core/utils/misc/Iterable.h +++ /dev/null @@ -1,108 +0,0 @@ -/* - * Copyright (c) 2018-2019 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. - */ -#ifndef ARM_COMPUTE_MISC_ITERABLE_H -#define ARM_COMPUTE_MISC_ITERABLE_H - -#include <iterator> - -namespace arm_compute -{ -namespace utils -{ -namespace iterable -{ -/** Reverse range iterable class - * - * @tparam T Type to create a reverse range on - */ -template <typename T> -class reverse_iterable -{ -public: - /** Default constructor - * - * @param[in] it Value to reverse iterate on - */ - explicit reverse_iterable(T &it) - : _it(it) - { - } - - /** Get beginning of iterator. - * - * @return beginning of iterator. - */ - typename T::reverse_iterator begin() - { - return _it.rbegin(); - } - - /** Get end of iterator. - * - * @return end of iterator. - */ - typename T::reverse_iterator end() - { - return _it.rend(); - } - - /** Get beginning of const iterator. - * - * @return beginning of const iterator. - */ - typename T::const_reverse_iterator cbegin() - { - return _it.rbegin(); - } - - /** Get end of const iterator. - * - * @return end of const iterator. - */ - typename T::const_reverse_iterator cend() - { - return _it.rend(); - } - -private: - T &_it; -}; - -/** Creates a reverse iterable for a given type - * - * @tparam T Type to create a reverse iterable on - * - * @param[in] val Iterable input - * - * @return Reverse iterable container - */ -template <typename T> -reverse_iterable<T> reverse_iterate(T &val) -{ - return reverse_iterable<T>(val); -} -} // namespace iterable -} // namespace utils -} // namespace arm_compute -#endif /* ARM_COMPUTE_MISC_ITERABLE_H */ diff --git a/arm_compute/core/utils/misc/Random.h b/arm_compute/core/utils/misc/Random.h deleted file mode 100644 index 6832c495e3..0000000000 --- a/arm_compute/core/utils/misc/Random.h +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Copyright (c) 2019 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. - */ -#ifndef ARM_COMPUTE_MISC_RANDOM_H -#define ARM_COMPUTE_MISC_RANDOM_H - -#include "arm_compute/core/Error.h" - -#include <random> -#include <type_traits> - -namespace arm_compute -{ -namespace utils -{ -namespace random -{ -/** Uniform distribution within a given number of sub-ranges - * - * @tparam T Distribution primitive type - */ -template <typename T> -class RangedUniformDistribution -{ -public: - using DT = typename std::conditional<std::is_integral<T>::value, - std::uniform_int_distribution<T>, - std::uniform_real_distribution<float>>::type; - using result_type = T; - using range_pair = std::pair<result_type, result_type>; - -public: - /** Constructor - * - * @param[in] low lowest value in the range (inclusive) - * @param[in] high highest value in the range (inclusive for uniform_int_distribution, exclusive for uniform_real_distribution) - * @param[in] exclude_ranges Ranges to exclude from the generator - */ - RangedUniformDistribution(result_type low, result_type high, const std::vector<range_pair> &exclude_ranges) - : _distributions(), _selector() - { - result_type clow = low; - for(const auto &erange : exclude_ranges) - { - result_type epsilon = std::is_integral<result_type>::value ? 1 : static_cast<result_type>(std::numeric_limits<float>::epsilon()); - - ARM_COMPUTE_ERROR_ON(clow > erange.first || clow >= erange.second); - - _distributions.emplace_back(DT(clow, erange.first - epsilon)); - clow = erange.second + epsilon; - } - ARM_COMPUTE_ERROR_ON(clow > high); - _distributions.emplace_back(DT(clow, high)); - _selector = std::uniform_int_distribution<uint32_t>(0, _distributions.size() - 1); - } - /** Generate random number - * - * @tparam URNG Random number generator object type - * - * @param[in] g A uniform random number generator object, used as the source of randomness. - * - * @return A new random number. - */ - template <class URNG> - result_type operator()(URNG &g) - { - unsigned int rand_select = _selector(g); - return _distributions[rand_select](g); - } - -private: - std::vector<DT> _distributions; - std::uniform_int_distribution<uint32_t> _selector; -}; -} // namespace random -} // namespace utils -} // namespace arm_compute -#endif /* ARM_COMPUTE_MISC_RANDOM_H */ diff --git a/arm_compute/core/utils/misc/Requires.h b/arm_compute/core/utils/misc/Requires.h deleted file mode 100644 index ba91039596..0000000000 --- a/arm_compute/core/utils/misc/Requires.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (c) 2018-2019 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. - */ -#ifndef ARM_COMPUTE_UTILS_REQUIRES_H -#define ARM_COMPUTE_UTILS_REQUIRES_H - -namespace arm_compute -{ -namespace utils -{ -namespace requires -{ -// *INDENT-OFF* -// clang-format off -namespace detail -{ -enum class enabler -{ -}; -} // namespace arm_compute - -/** Requirements as template */ -#define REQUIRES_T(...) template <bool Cond = (__VA_ARGS__), typename std::enable_if<Cond, int>::type = 0> -/** Requirements as template argument */ -#define REQUIRES_TA(...) typename = typename std::enable_if<(__VA_ARGS__), arm_compute::utils::requires::detail::enabler>::type -// clang-format on -// *INDENT-ON* -} // namespace requires -} // namespace utils -} // namespace arm_compute -#endif /*ARM_COMPUTE_UTILS_REQUIRES_H */ diff --git a/arm_compute/core/utils/misc/Rounding.h b/arm_compute/core/utils/misc/Rounding.h deleted file mode 100644 index 1ed4e64886..0000000000 --- a/arm_compute/core/utils/misc/Rounding.h +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Copyright (c) 2018-2019 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. - */ -#ifndef ARM_COMPUTE_UTILS_ROUNDING_H -#define ARM_COMPUTE_UTILS_ROUNDING_H - -#include "arm_compute/core/Error.h" -#include "arm_compute/core/utils/misc/Requires.h" -#include "arm_compute/core/utils/misc/Traits.h" -#include "support/ToolchainSupport.h" - -#include <cmath> - -namespace arm_compute -{ -namespace utils -{ -namespace rounding -{ -/** Rounding mode */ -enum class RoundingMode -{ - TO_ZERO, /**< Round towards zero */ - AWAY_FROM_ZERO, /**< Round away from zero */ - HALF_TO_ZERO, /**< Round half towards from zero */ - HALF_AWAY_FROM_ZERO, /**< Round half away from zero */ - HALF_UP, /**< Round half towards positive infinity */ - HALF_DOWN, /**< Round half towards negative infinity */ - HALF_EVEN /**< Round half towards nearest even */ -}; - -/** Round floating-point value with round to zero - * - * @tparam T Parameter type. Should be of floating point type. - * - * @param[in] value floating-point value to be rounded. - * - * @return Floating-point value of rounded @p value. - */ -template <typename T, REQUIRES_TA(traits::is_floating_point<T>::value)> -inline T round_to_zero(T value) -{ - T res = std::floor(std::fabs(value)); - return (value < 0.f) ? -res : res; -} - -/** Round floating-point value with round away from zero - * - * @tparam T Parameter type. Should be of floating point type. - * - * @param[in] value floating-point value to be rounded. - * - * @return Floating-point value of rounded @p value. - */ -template <typename T, REQUIRES_TA(traits::is_floating_point<T>::value)> -inline T round_away_from_zero(T value) -{ - T res = std::ceil(std::fabs(value)); - return (value < 0.f) ? -res : res; -} - -/** Round floating-point value with half value rounding towards zero. - * - * @tparam T Parameter type. Should be of floating point type. - * - * @param[in] value floating-point value to be rounded. - * - * @return Floating-point value of rounded @p value. - */ -template <typename T, REQUIRES_TA(traits::is_floating_point<T>::value)> -inline T round_half_to_zero(T value) -{ - T res = T(std::ceil(std::fabs(value) - 0.5f)); - return (value < 0.f) ? -res : res; -} - -/** Round floating-point value with half value rounding away from zero. - * - * @tparam T Parameter type. Should be of floating point type. - * - * @param[in] value floating-point value to be rounded. - * - * @return Floating-point value of rounded @p value. - */ -template <typename T, REQUIRES_TA(traits::is_floating_point<T>::value)> -inline T round_half_away_from_zero(T value) -{ - T res = T(std::floor(std::fabs(value) + 0.5f)); - return (value < 0.f) ? -res : res; -} - -/** Round floating-point value with half value rounding to positive infinity. - * - * @tparam T Parameter type. Should be of floating point type. - * - * @param[in] value floating-point value to be rounded. - * - * @return Floating-point value of rounded @p value. - */ -template <typename T, REQUIRES_TA(traits::is_floating_point<T>::value)> -inline T round_half_up(T value) -{ - return std::floor(value + 0.5f); -} - -/** Round floating-point value with half value rounding to negative infinity. - * - * @tparam T Parameter type. Should be of floating point type. - * - * @param[in] value floating-point value to be rounded. - * - * @return Floating-point value of rounded @p value. - */ -template <typename T, REQUIRES_TA(traits::is_floating_point<T>::value)> -inline T round_half_down(T value) -{ - return std::ceil(value - 0.5f); -} - -/** Round floating-point value with half value rounding to nearest even. - * - * @tparam T Parameter type. Should be of floating point type. - * - * @param[in] value floating-point value to be rounded. - * @param[in] epsilon precision. - * - * @return Floating-point value of rounded @p value. - */ -template <typename T, REQUIRES_TA(traits::is_floating_point<T>::value)> -inline T round_half_even(T value, T epsilon = std::numeric_limits<T>::epsilon()) -{ - T positive_value = std::abs(value); - T ipart = 0; - std::modf(positive_value, &ipart); - // If 'value' is exactly halfway between two integers - if(std::abs(positive_value - (ipart + 0.5f)) < epsilon) - { - // If 'ipart' is even then return 'ipart' - if(std::fmod(ipart, 2.f) < epsilon) - { - return support::cpp11::copysign(ipart, value); - } - // Else return the nearest even integer - return support::cpp11::copysign(std::ceil(ipart + 0.5f), value); - } - // Otherwise use the usual round to closest - return support::cpp11::copysign(support::cpp11::round(positive_value), value); -} - -/** Round floating-point value given a rounding mode - * - * @tparam T Parameter type. Should be of floating point type. - * - * @param[in] value floating-point value to be rounded. - * @param[in] rounding_mode Rounding mode to use. - * - * @return Floating-point value of rounded @p value. - */ -template <typename T, REQUIRES_TA(traits::is_floating_point<T>::value)> -inline T round(T value, RoundingMode rounding_mode) -{ - switch(rounding_mode) - { - case RoundingMode::TO_ZERO: - return round_to_zero(value); - case RoundingMode::AWAY_FROM_ZERO: - return round_away_from_zero(value); - case RoundingMode::HALF_TO_ZERO: - return round_half_to_zero(value); - case RoundingMode::HALF_AWAY_FROM_ZERO: - return round_half_away_from_zero(value); - case RoundingMode::HALF_UP: - return round_half_up(value); - case RoundingMode::HALF_DOWN: - return round_half_down(value); - case RoundingMode::HALF_EVEN: - return round_half_even(value); - default: - ARM_COMPUTE_ERROR("Unsupported rounding mode!"); - } -} -} // namespace rounding -} // namespace utils -} // namespace arm_compute -#endif /*ARM_COMPUTE_UTILS_ROUNDING_H */ diff --git a/arm_compute/core/utils/misc/SaturateCast.h b/arm_compute/core/utils/misc/SaturateCast.h deleted file mode 100644 index cbced83f89..0000000000 --- a/arm_compute/core/utils/misc/SaturateCast.h +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Copyright (c) 2018-2019 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. - */ -#ifndef ARM_COMPUTE_UTILS_CAST_SATURATE_CAST_H -#define ARM_COMPUTE_UTILS_CAST_SATURATE_CAST_H - -#include "arm_compute/core/utils/misc/Rounding.h" -#include "arm_compute/core/utils/misc/Traits.h" -#include "arm_compute/core/utils/misc/Utility.h" - -namespace arm_compute -{ -namespace utils -{ -namespace cast -{ -// *INDENT-OFF* -// clang-format off -// same type -template<typename T, - typename U, - typename std::enable_if<std::is_same<T, U>::value, int >::type = 0 > -T saturate_cast(U v) -{ - return v; -} - -// signed -> signed widening/same_width -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - std::is_integral<U>::value && - std::is_signed<U>() && - std::is_signed<T>() && - !std::is_same<T, U>::value && - sizeof(T) >= sizeof(U), - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(v); -} -// signed -> signed narrowing -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - std::is_integral<U>::value && - std::is_signed<U>() && - std::is_signed<T>() && - !std::is_same<T, U>::value && - sizeof(T) < sizeof(U), - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(utility::clamp<U>(v, std::numeric_limits<T>::lowest(), std::numeric_limits<T>::max())); -} - -// unsigned -> signed widening -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - std::is_integral<U>::value && - std::is_unsigned<U>() && - std::is_signed<T>() && - !std::is_same<T, U>::value && - (sizeof(T) > sizeof(U)), - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(v); -} -// unsigned -> signed narrowing -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - std::is_integral<U>::value && - std::is_unsigned<U>() && - std::is_signed<T>() && - !std::is_same<T, U>::value && - sizeof(T) < sizeof(U), - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(std::min<U>(v, std::numeric_limits<T>::max())); -} -// unsigned -> signed same_width -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - std::is_integral<U>::value && - std::is_unsigned<U>() && - std::is_signed<T>() && - !std::is_same<T, U>::value && - sizeof(T) == sizeof(U), - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(std::min<U>(v, std::numeric_limits<T>::max())); -} - -// signed -> unsigned widening/same width -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - std::is_integral<U>::value && - std::is_signed<U>() && - std::is_unsigned<T>() && - !std::is_same<T, U>::value && - sizeof(T) >= sizeof(U), - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(std::max<U>(0, v)); -} - -// signed -> unsigned narrowing -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - std::is_integral<U>::value && - std::is_signed<U>() && - std::is_unsigned<T>() && - !std::is_same<T, U>::value && - sizeof(T) < sizeof(U), - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(utility::clamp<U>(v, 0, std::numeric_limits<T>::max())); -} - -// unsigned -> unsigned widening/same width -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - std::is_integral<U>::value && - std::is_unsigned<T>() && - std::is_unsigned<U>() && - !std::is_same<T, U>::value && - sizeof(T) >= sizeof(U), - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(v); -} - -// unsigned -> unsigned narrowing -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - std::is_integral<U>::value && - std::is_unsigned<T>() && - std::is_unsigned<U>() && - !std::is_same<T, U>::value && - sizeof(T) < sizeof(U), - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(utility::clamp<U>(v, std::numeric_limits<T>::lowest(), std::numeric_limits<T>::max())); -} - -// float -> int -template<typename T, - typename U, - typename std::enable_if<std::is_integral<T>::value && - traits::is_floating_point<U>::value, - int >::type = 0 > -inline T saturate_cast(U v) -{ - int32_t vi = utils::rounding::round_half_away_from_zero(v); - return saturate_cast<T>(vi); -} - -// int -> float -template<typename T, - typename U, - typename std::enable_if<traits::is_floating_point<T>::value && - std::is_integral<U>::value, - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(v); -} - -// float -> float -template<typename T, - typename U, - typename std::enable_if<traits::is_floating_point<T>::value && - traits::is_floating_point<U>::value, - int >::type = 0 > -inline T saturate_cast(U v) -{ - return static_cast<T>(v); -} -// clang-format on -// *INDENT-ON* -} // namespace cast -} // namespace utils -} // namespace arm_compute -#endif /* ARM_COMPUTE_UTILS_CAST_SATURATE_CAST_H */ |