rdevdict::*_clipped - clipped random deviate generators.
Generate random numbers from an underlying distribution,  
but restricted to a certain interval.

For continuous distributions,

low < random < high

will hold true, i.e., numbers are restricted to the open interval (low, high).
If the distribution itself is restricted to, e.g., positiv numbers, setting
low < 0 will still only return positive numbers. Clipping only excludes numbers
outside (low, high).

For discrete distribtions, numbers are limited to {low, low+1, ... high}, i.e.,
in this case min and max are included.

Numbers are clipped by re-drawing any number outside (low, high), until
a number in (log, high) is drawn. The actual distribution of random
numbers drawn will be a distorted version of the underlying

/low lower bound (default: -inf)
/high upper bound (default: +inf)

- Clipped generators can be very inefficient if there is little probability
mass in (low, high).
- For continuous distributions, the probability of actually drawing
min or max is approximately 2^-62 2e-19, i.e., negligible. Therefore,
one can only clip to open intervals.
- There are also *_clipped_to_boundary versions of the generators. These
return the respective boundary value if a value outside the interval is
drawn. These versions are mainly provided to allow reproduction of
publications that used this strategy.

Hans Ekkehard Plesser 
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