From a7d7542dc646a5fd124ef71e71ce260889f1701b Mon Sep 17 00:00:00 2001
From: Camil Staps
Date: Tue, 2 Feb 2016 19:24:50 +0100
Subject: Moved to 1415 directory

---
 1415/files/practicum/Random.icl | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 1415/files/practicum/Random.icl

(limited to '1415/files/practicum/Random.icl')

diff --git a/1415/files/practicum/Random.icl b/1415/files/practicum/Random.icl
new file mode 100644
index 0000000..2983656
--- /dev/null
+++ b/1415/files/practicum/Random.icl
@@ -0,0 +1,23 @@
+implementation module Random
+
+import	StdInt, StdClass
+import	StdTime
+
+::	RandomSeed	:== Int
+
+nullRandomSeed :: RandomSeed
+nullRandomSeed
+	= 0
+
+getNewRandomSeed :: !*env -> (!RandomSeed, !*env) | TimeEnv env
+getNewRandomSeed env
+# ({hours,minutes,seconds}, env)	= getCurrentTime env
+= (1+(hours+minutes+seconds) bitand 65535, env)
+
+random :: !RandomSeed -> .(!Int,!RandomSeed)
+random seed
+	=	(newSeed,newSeed)
+where
+	newSeed		= if (nextSeed>=0) nextSeed (nextSeed+65537)
+	nextSeed	= (seed75 bitand 65535)-(seed75>>16)
+	seed75		= seed*75
-- 
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