[Genhis][2.0.69] random_penalty noise function has inconsistent behavior

[Hanodest]

For demonstration, two noise expressions:

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random_penalty(0, 0, 1, map_seed, 2)

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random_penalty(x-x, 0, 1, map_seed, 2)

Theoretically, they are supposed to be identical. In practice, the former evaluates to some seed-dependent constant everywhere, and the latter - generates different random values for different tiles, seemingly with a period of 1 chunk. Visualization from noise-tools for the latter:

random_penalty.png (23.32 KiB) Viewed 153 times