ArmNN
 24.02
FloatingPointComparison.hpp
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1 //
2 // Copyright © 2020 Arm Ltd. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 
6 #pragma once
7 
8 #include <cmath>
9 
10 namespace armnnUtils
11 {
12 
13 /**
14  * Compare two floats and return true if their values are within a specified tolerance of each other.
15  * @param a
16  * @param b
17  * @param tolerancePercentage If not supplied default will be 1% tolerance (1.0f)
18  * @return true if the value of float b is within tolerancePercentage of the value for float a.
19  */
20 inline bool within_percentage_tolerance(float a, float b, float tolerancePercent = 1.0f)
21 {
22  float toleranceValue = std::fabs(a * (tolerancePercent / 100));
23  return std::fabs(a - b) <= toleranceValue;
24 }
25 
26 } //namespace armnn
27 
armnnUtils
Definition: CompatibleTypes.hpp:10
armnnUtils::within_percentage_tolerance
bool within_percentage_tolerance(float a, float b, float tolerancePercent=1.0f)
Compare two floats and return true if their values are within a specified tolerance of each other.
Definition: FloatingPointComparison.hpp:20