random/1

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Predicate random/1

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Availability::- use_module(library(random)).(can be autoloaded)

Source

[det]random(-R:float)

Binds R to a new random float in the open interval (0.0,1.0).

See also: - setrand/1, getrand/1 may be used to fetch/set the state.
- In SWI-Prolog, random/1 is implemented by the function random_float/0.