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### Problem description: In the original code, pointer arithmetic of gain_lut and the assignment of gain_lut[4 * interval + 3] could potentially lead to out-of-bounds array access. On certain architectures (e.g., macOS ARM64), this out-of-bounds access causes the program to crash. BUG=None, reported issue#2464 ### Solution: Increase the size of the gain_lut_storage array by 1 to provide an extra buffer and prevent overflow during the calculation within the loop. ### Risks and considerations: Increasing the array size will slightly increase memory usage. In extremely resource-constrained systems, alternative algorithm implementations may need to be considered. |
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