====== Constant Variable MOST-POSITIVE-FIXNUM, MOST-NEGATIVE-FIXNUM ====== ====Constant Value==== //[[CL:Glossary:implementation-dependent]]//. ====Description==== **most-positive-fixnum** is that //[[CL:Glossary:fixnum]]// closest in value to positive infinity provided by the implementation, and greater than or equal to both ''2^¹⁵'' - 1 and **[[CL:Constant Variables:array-dimension-limit]]**. **most-negative-fixnum** is that //[[CL:Glossary:fixnum]]// closest in value to negative infinity provided by the implementation, and less than or equal to ''-2^¹⁵''. ====Examples==== None. ====See Also==== None. ====Notes==== None. \issue{FIXNUM-NON-PORTABLE:TIGHTEN-DEFINITION} \issue{FIXNUM-NON-PORTABLE:TIGHTEN-DEFINITION}