COMPMID-3637: Move utility headers from arm_compute to src

Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: If9d6fa8c900b68c4b6fd373f2fc1f9abb83ea917
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4145
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

13 files changed, 4 insertions, 1184 deletions

diff --git a/arm_compute/core/utils/helpers/bit_ops.h b/arm_compute/core/utils/helpers/bit_ops.h
deleted file mode 100644
index eee360c9e3..0000000000
--- a/arm_compute/core/utils/helpers/bit_ops.h
+++ /dev/null
@@ -1,52 +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_HELPERS_BIT_OPS_H
-#define ARM_COMPUTE_UTILS_HELPERS_BIT_OPS_H
-
-#include "arm_compute/core/utils/misc/Requires.h"
-
-#include <type_traits>
-
-namespace arm_compute
-{
-namespace helpers
-{
-namespace bit_ops
-{
-/** Checks if the idx-th bit is set in an integral type
- *
- * @param[in] v   Integral input
- * @param[in] idx Index of the bit to check
- *
- * @return True if the idx-th bit is set else false
- */
-template <typename T, REQUIRES_TA(std::is_integral<T>::value)>
-bool is_bit_set(T v, unsigned int idx)
-{
-    return (v & 1 << idx) != 0;
-}
-} // namespace bit_ops
-} // namespace helpers
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_UTILS_HELPERS_BIT_OPS_H */
diff --git a/arm_compute/core/utils/helpers/fft.h b/arm_compute/core/utils/helpers/fft.h
deleted file mode 100644
index 7d111b764b..0000000000
--- a/arm_compute/core/utils/helpers/fft.h
+++ /dev/null
@@ -1,55 +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_UTILS_HELPERS_FFT_H
-#define ARM_COMPUTE_UTILS_HELPERS_FFT_H
-
-#include <set>
-#include <vector>
-
-namespace arm_compute
-{
-namespace helpers
-{
-namespace fft
-{
-/** Decompose a given 1D input size using the provided supported factors.
- *
- * @param[in] N                 Input size to be decomposed.
- * @param[in] supported_factors Supported factors that can be used for decomposition.
- *
- * @return A vector with the stages of the decomposition. Will be empty if decomposition failed.
- */
-std::vector<unsigned int> decompose_stages(unsigned int N, const std::set<unsigned int> &supported_factors);
-/** Calculate digit reverse index vector given fft size and the decomposed stages
- *
- * @param N          Input size to calculate digit reverse for
- * @param fft_stages A vector with the FFT decomposed stages
- *
- * @return A vector with the digit reverse indices. Will be empty if it failed.
- */
-std::vector<unsigned int> digit_reverse_indices(unsigned int N, const std::vector<unsigned int> &fft_stages);
-} // namespace fft
-} // namespace helpers
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_UTILS_HELPERS_FFT_H */
diff --git a/arm_compute/core/utils/helpers/float_ops.h b/arm_compute/core/utils/helpers/float_ops.h
deleted file mode 100644
index 1a08fc76b4..0000000000
--- a/arm_compute/core/utils/helpers/float_ops.h
+++ /dev/null
@@ -1,116 +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_UTILS_HELPERS_FLOAT_OPS_H
-#define ARM_COMPUTE_UTILS_HELPERS_FLOAT_OPS_H
-
-namespace arm_compute
-{
-namespace helpers
-{
-namespace float_ops
-{
-union RawFloat
-{
-    /** Constructor
-     *
-     * @param[in] val Floating-point value
-     */
-    explicit RawFloat(float val)
-        : f32(val)
-    {
-    }
-    /** Extract sign of floating point number
-     *
-     * @return Sign of floating point number
-     */
-    int32_t sign() const
-    {
-        return i32 >> 31;
-    }
-    /** Extract exponent of floating point number
-     *
-     * @return Exponent of floating point number
-     */
-    int32_t exponent() const
-    {
-        return (i32 >> 23) & 0xFF;
-    }
-    /** Extract mantissa of floating point number
-     *
-     * @return Mantissa of floating point number
-     */
-    int32_t mantissa() const
-    {
-        return i32 & 0x007FFFFF;
-    }
-
-    int32_t i32;
-    float   f32;
-};
-
-/** Checks if two floating point numbers are equal given an allowed number of ULPs
- *
- * @param[in] a                First number to compare
- * @param[in] b                Second number to compare
- * @param[in] max_allowed_ulps (Optional) Number of allowed ULPs
- *
- * @return True if number is close else false
- */
-inline bool is_equal_ulps(float a, float b, int max_allowed_ulps = 0)
-{
-    RawFloat ra(a);
-    RawFloat rb(b);
-
-    // Check ULP distance
-    const int ulps = std::abs(ra.i32 - rb.i32);
-    return ulps <= max_allowed_ulps;
-}
-
-/** Checks if the input floating point number is 1.0f checking if the difference is within a range defined with epsilon
- *
- * @param[in] a       Input floating point number
- * @param[in] epsilon (Optional) Epsilon used to define the error bounds
- *
- * @return True if number is close to 1.0f
- */
-inline bool is_one(float a, float epsilon = 0.00001f)
-{
-    return std::abs(1.0f - a) <= epsilon;
-}
-
-/** Checks if the input floating point number is 0.0f checking if the difference is within a range defined with epsilon
- *
- * @param[in] a       Input floating point number
- * @param[in] epsilon (Optional) Epsilon used to define the error bounds
- *
- * @return True if number is close to 0.0f
- */
-inline bool is_zero(float a, float epsilon = 0.00001f)
-{
-    return std::abs(0.0f - a) <= epsilon;
-}
-} // namespace float_ops
-} // namespace helpers
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_UTILS_HELPERS_FLOAT_OPS_H */
diff --git a/arm_compute/core/utils/helpers/tensor_info.h b/arm_compute/core/utils/helpers/tensor_info.h
deleted file mode 100644
index 443234064a..0000000000
--- a/arm_compute/core/utils/helpers/tensor_info.h
+++ /dev/null
@@ -1,57 +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_UTILS_HELPERS_TENSOR_INFO_H
-#define ARM_COMPUTE_UTILS_HELPERS_TENSOR_INFO_H
-
-#include "arm_compute/core/ITensorInfo.h"
-
-namespace arm_compute
-{
-namespace helpers
-{
-namespace tensor_info
-{
-/** Checks if the quantization info of given tensors are different
- *
- * @param tensor_info_1 Tensor info of the first tensor
- * @param tensor_info_2 Tensor info of the second tensor
- * @param tensor_infos  Tensor infos of the rest tensors
- *
- * @return True if tensors have mismatching quantization info else false.
- */
-template <typename... Ts>
-inline bool tensors_have_different_quantization_info(const ITensorInfo *tensor_info_1, const ITensorInfo *tensor_info_2, Ts... tensor_infos)
-{
-    const QuantizationInfo first_quantization_info = tensor_info_1->quantization_info();
-
-    const std::array < const ITensorInfo *, 1 + sizeof...(Ts) > tensor_infos_array{ { tensor_info_2, std::forward<Ts>(tensor_infos)... } };
-    return std::any_of(tensor_infos_array.begin(), tensor_infos_array.end(), [&](const ITensorInfo * tensor_info)
-    {
-        return tensor_info->quantization_info() != first_quantization_info;
-    });
-}
-} // namespace tensor_info
-} // namespace helpers
-} // namespace arm_compute
-#endif /* ARM_COMPUTE_UTILS_HELPERS_TENSOR_INFO_H */
diff --git a/arm_compute/core/utils/math/SafeOps.h b/arm_compute/core/utils/math/SafeOps.h
index 4f81cf4b44..c222c65e84 100644
--- a/arm_compute/core/utils/math/SafeOps.h
+++ b/arm_compute/core/utils/math/SafeOps.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 Arm Limited.
+ * Copyright (c) 2019-2020 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -25,7 +25,9 @@
 #define ARM_COMPUTE_UTILS_MATH_SAFE_OPS
 
 #include "arm_compute/core/Error.h"
-#include "arm_compute/core/utils/misc/Requires.h"
+#include "support/Requires.h"
+
+#include <limits>
 
 namespace arm_compute
 {
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 */