#lang scheme (require (prefix-in mz: scheme/base) "../lang/dracula.ss") (provide (all-defined-out)) (defconst *M31* 2147483647) (defconst *P1* 16807) (defun seedp (x) (mz:if (integer? x) t nil)) (defun initial-seed () 1382728371) (defun next-seed (seed) (remainder (* *P1* seed) *M31*)) (defun rand (max seed) (remainder seed max))