projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 53e9b2ee KM |
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 | .\" | |
| 95f51977 | 5 | .\" @(#)random.3f 6.1 (Berkeley) 5/15/85 |
| 53e9b2ee | 6 | .\" |
| 95f51977 | 7 | .TH RANDOM 3F "May 15, 1985" |
| 53e9b2ee KM |
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) |