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Vars' domain is the real numbers.
Variable or number, or a list or submatrix of variables/numbers


Constrain the domain of the variables to be the real numbers. This is the default, so the declaration is optional.

Note that the notion of real numbers is used here in the pure mathematical sense, where real numbers subsume the integers. A variable of type real can therefore be instantated to either a real number (floating point or bounded real) or an integer number. If the variables are already instantiated, this call checks that the variable is instantiated to a number.

Modes and Determinism

See Also

integers / 1, suspend : reals / 1, eplex : reals / 1, ic_kernel : reals / 1