rand()

傳回亂數。

rand()
rand(1000)

語法

  • rand() - returns a value of type real with a uniform distribution in the range [0.0, 1.0).
  • rand(N) - returns a value of type real chosen with a uniform distribution from the set {0.0, 1.0, ..., N - 1}.

深入瞭解 語法慣例