Fix plankian jitter

[ternaus]

Fixes: #1968

Summary by Sourcery

Fix the Planckian jitter function to handle out-of-range temperatures by clamping them to valid values, enhance interpolation logic, and add comprehensive tests for edge cases and consistency.

Bug Fixes:

• Fix the Planckian jitter function to correctly handle temperature values outside the defined range by clamping them to the nearest valid temperature.

Enhancements:

• Improve the Planckian jitter function by ensuring linear interpolation between the closest valid temperatures, and handling edge cases where the temperature is at or near the minimum or maximum values.

Tests:

• Add new test cases for Planckian jitter to cover edge cases, interpolation, consistency, and invalid mode handling.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request addresses the issue of plankian jitter in the albumentations library. The changes focus on improving the robustness and correctness of the planckian_jitter function, adding comprehensive test cases, and refining the PlanckianJitter transform class. The modifications ensure proper handling of edge cases, interpolation, and consistency across different modes and temperature ranges.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Improved planckian_jitter function implementation	Added temperature clamping to ensure values are within the valid range Refined interpolation logic for temperature coefficients Removed unnecessary clipping of values greater than 1	albumentations/augmentations/functional.py
Updated PlanckianJitter transform class	Modified constant values to use dynamic min and max temperatures from PLANCKIAN_COEFFS Refined get_params method to ensure temperature is within valid range Improved sampling logic for both uniform and gaussian methods	albumentations/augmentations/transforms.py
Added comprehensive test cases for planckian_jitter	Implemented edge case tests for various temperatures Added interpolation tests Included consistency tests for different modes Created a test for invalid mode handling	tests/test_functional.py

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[sourcery-ai]

Hey @ternaus - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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