> - sample_rate = ldexp(val, exp - 16383 - 63);
> + if (exp >= 0)
> + sample_rate = val << exp;
> + else
> + sample_rate = (val + (1<<(-exp/2))) >> -exp;
To round the value it should probably be something like:
sample_rate = (val + ((uint64_t)1<<(-exp-1))) >> -exp;
To avoid possible undefined behavior it would also need to check that
exp is within range.
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