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author | Sang-Hoon Park <sang-hoon.park@arm.com> | 2020-10-19 16:00:11 +0100 |
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committer | Georgios Pinitas <georgios.pinitas@arm.com> | 2020-10-20 10:27:40 +0000 |
commit | 68dd25fbe6e4d3c3513fa5993863419769aa08fc (patch) | |
tree | b918be923f9e4550c306d7f44d168ab938a71fc8 /arm_compute/core/utils/helpers/float_ops.h | |
parent | f0a4e609d98f111b6a7d4a2b578d1b7cba64b805 (diff) | |
download | ComputeLibrary-68dd25fbe6e4d3c3513fa5993863419769aa08fc.tar.gz |
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>
Diffstat (limited to 'arm_compute/core/utils/helpers/float_ops.h')
-rw-r--r-- | arm_compute/core/utils/helpers/float_ops.h | 116 |
1 files changed, 0 insertions, 116 deletions
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 */ |