Fix/reliability-code

[NelsonBN]

Fix Floating-Point Reliability issue in GeoDDCoordinate

Checklist before requesting a review

• I have performed a self-review of my code.
• Implemented tests for new features.
• I tested the features already implemented.
• Added usage examples in the readme.

[Copilot]

Pull Request Overview

This PR fixes floating-point reliability issues in the GeoDDCoordinate class by implementing tolerance-based equality comparison instead of direct double equality comparison.

Key changes:

• Replaced direct floating-point equality (==) with tolerance-based comparison using Math.Abs() and a tolerance of 1e-12 degrees
• Updated GetHashCode() implementation to ensure consistency with tolerance-based equality by normalizing values
• Added comprehensive test suite to verify floating-point precision handling

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
GeoDDCoordinateTests.cs	Updated namespace to match directory structure
FloatingPointTests.cs	Added comprehensive test suite covering floating-point precision scenarios, collection behavior, and edge cases
GeoDDCoordinate.cs	Implemented tolerance-based equality operator and consistent hash code generation
GeoDDCoordinate.md	Added documentation explaining the floating-point reliability fix and implementation details

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[github-actions]

Test Summary

    4 files      4 suites   1s ⏱️
  252 tests   252 ✅ 0 💤 0 ❌
1 008 runs  1 008 ✅ 0 💤 0 ❌

Results for commit 26c4a2f.

♻️ This comment has been updated with latest results.

[github-actions]

Package	Line Rate	Branch Rate	Complexity	Health
PowerUtils.Geolocation	100%	100%	131	✔
Summary	100% (181 / 181)	100% (70 / 70)	131	✔

[github-actions]

🚀 Stryker report generated 🚀

To more details: https://dashboard.stryker-mutator.io/reports/github.com/TechNobre/PowerUtils.Geolocation/fix-reliability-code-157

[sonarqubecloud]

Quality Gate passed

Issues
3 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[NelsonBN]

🎉 This PR is included in version 2.0.0 🎉

The release is available on GitHub release

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