infinity

OPL keyword to represent the infinity symbol.

context
Model files (.mod)

Syntax

LiteralExpression: "(integer-literal)"
                  | "(float-literal)"
                  | "(boolean-literal)"
                  | "(string-literal)"
                  | "infinity"
                  | "maxint"

Description

OPL has a predefined float constant, infinity, to represent the IEEE infinity symbol ∞.

Example

dvar float x in 2..infinity;

CPLEX infinity value

For CPLEX, the value of "infinity" is 1e+20. When CPLEX encounters a larger value, it silently truncates the value to 1e+20.

See the note in Examining the results and the data for more information.