A Universal Random Number Generator.

[Mark H. Colburn]

In article <9704 at smoke.BRL.MIL> gwyn at brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>) writes:
+In article <5873 at bsu-cs.UUCP> dhesi at bsu-cs.UUCP (Rahul Dhesi) writes:
+-In article <7354 at pyr.gatech.EDU> naras at stat.fsu.edu (B. Narasimhan) presents
+-a universal random number generator that includes the definitions:
+->#define CONST_2 362436
+->#define CONST_3 7654321
+->#define CONST_4 16777213
+-Better make these long, with an L suffix.  Else some compilers I've
+-encountered will assume they are 16-bit ints, and truncate them
+-accordingly.
+
+Since that is in direct contradiction to K&R1's specs for integer
+constants, one could make a strong case that such a compiler is not
+worth using.  Could you tell us whose compilers are thus broken,
+so we could steer clear of them?

The XENIX compiler, which is a descendant of a Microsoft compiler (I
think), does this.  It has been a problem in PAX, and some other code,
where I had to explicitly cast the constant 1024 to to a long, so that the
compiler wouldn't puke.

Yuk!

-- 
Mark H. Colburn                  "Look into a child's eye;
Minnetech Consulting, Inc.        there's no hate and there's no lie;
mark at jhereg.mn.org                there's no black and there's no white."