https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/expm1-expm1f-expm1l?view=msvc-170&redirectedfrom=MSDN
expm1, expm1f, expm1l | Microsoft Learn
API reference for expm1, expm1f, and expm1; which compute the base-e exponential of a value, minus one.
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