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1.1 root 1: .\" Copyright (c) 1985 Regents of the University of California.
2: .\" All rights reserved. The Berkeley software License Agreement
3: .\" specifies the terms and conditions for redistribution.
4: .\"
5: .\" @(#)random.3f 6.1 (Berkeley) 5/15/85
6: .\"
7: .TH RANDOM 3F "May 15, 1985"
8: .UC 6
9: .SH NAME
10: random, drandm, irandm \- better random number generator
11: .SH SYNOPSIS
12: .B function irandm (iflag)
13: .sp 1
14: .B function random (iflag)
15: .sp 1
16: .B double precision function drandm (iflag)
17: .SH DESCRIPTION
18: These functions use
19: .IR random (3)
20: to generate sequences of random numbers, and
21: should be used rather than the older functions described in
22: .I man 3f rand.
23: If
24: .I iflag
25: is non-zero, it is used as a new seed for the random number
26: generator, and the first new random value is returned.
27: .PP
28: .I Irandm
29: returns positive integers in the range 0 through 2147483647 ( 2**31-1).
30: .I Random
31: and
32: .I drandm
33: return values in the range 0. through 1.0 by dividing the integer random number
34: from
35: .IR random (3)
36: by 2147483647 .
37: .SH FILES
38: .ie \nM /usr/ucb/lib/libF77.a
39: .el /usr/lib/libF77.a
40: .SH "SEE ALSO"
41: random(3)
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