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>

4 files changed, 0 insertions, 280 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 */