#### 12.2.72 most-positive-fixnum, most-negative-fixnum [Constant Variable]

#### Constant Value::

implementation-dependent.

#### Description::

most-positive-fixnum is that fixnum closest in value to positive infinity provided by the implementation,

and greater than or equal to both 2^15 - 1 and array-dimension-limit.

most-negative-fixnum is that fixnum closest in value to negative infinity provided by the implementation,

and less than or equal to -2^15.