How to set constrain on random numbers in c Post: 302157412

9 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Random numbers without repetition

Is anyone know some scripts to generate random number without repetition using bash; for example generate 10 different random numbers. Thanks

2. Shell Programming and Scripting

Random numbers from 0 to 1000

Hello All, I want to make a simple script which generate random number from 0 to 1000. and simply display it. Plz HELP!!!!!! Regards, Waqas Ahmed

3. UNIX for Dummies Questions & Answers

seperating records with numbers from a set of numbers

I have two files one (numbers file)contains the numbers(approximately 30000) and the other file(record file) contains the records(approximately 40000)which may or may not contain the numbers from that file. I want to seperate the records which has the field 1=(any of the number from numbers...

4. Shell Programming and Scripting

Random Numbers - Perl

Hi Guys I have a script to find Ranomd numbers. But I want to make the file to produce more random. Could u guys help me plz. In this Script I have the code that generates random in for loop and the range I have specified in my %chromlength input and out put will be like this chrno start end...

5. Shell Programming and Scripting

Generating random numbers

Hi, I am having trouble with generating random numbers. can this be done with awk? So I have a file that looks like this: 23 30 24 40 26 34 So column1 is start and column2 is end. I want to generate 3 random #'s between start and stop: So the output will look like this: ...

6. Programming

Random numbers in parent/child?

Hi I'm trying to generate random numbers both in parent process and the child process. But I get the same random number in both processes. Why doesn't it generate different numbers altough I seed random number generator? Here's my code: #include <stdio.h> #include <unistd.h> #include...

7. Shell Programming and Scripting

unique random numbers awk

Hi, I have a small piece of awk code (see below) that generates random numbers. gawk -F"," 'BEGIN { srand(); for (i = 1; i <= 30; i++) printf("%s AM329_%04d\n",$0,int(36 * rand())+1) }' OFS=, AM329_hole_names.csv The code works fine and generates alphanumeric numbers like AM329_0001,...

8. Shell Programming and Scripting

Generate random numbers in script

i want to generate a random number through a script, and even if anyone reads the script, they wont be able to figure out what the random number is. only the person who setup the script would know it. something like this could work: random the full thread is here: ...

9. Homework & Coursework Questions

Random numbers

Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted! Write a shell script that will take the sum of two random number? Ex: Random n1 +Random n2 = result i tries to write it but i had some dufficulties ...

LEARN ABOUT OPENSOLARIS

rand

rand(3UCB)					     SunOS/BSD Compatibility Library Functions						rand(3UCB)

NAME

       rand, srand - simple random number generator

SYNOPSIS

       /usr/ucb/cc [ flag ... ] file ...

       int rand();

       int srand(seed)
       unsigned seed;

DESCRIPTION

       rand()  uses a multiplicative congruential random number generator with period 2^32 to return successive pseudo-random numbers in the range
       from 0 to 2^31 -1.

       srand() can be called at any time to reset the random-number generator to a random starting point. The generator is initially seeded with a
       value of 1.

SEE ALSO

       cc(1B), drand48(3C), rand(3C), random(3C)

NOTES

       Use of these interfaces should be restricted to only applications written on BSD platforms.  Use of these interfaces with any of the system
       libraries or in multi-thread applications is unsupported.

       The spectral properties of rand() leave a great deal to be desired. drand48(3C) and random(3C) provide much better, though more	elaborate,
       random-number generators.

       The low bits of the numbers generated are not very random; use the middle bits. In particular the lowest bit alternates between 0 and 1.

SunOS 5.11							    30 Oct 2007 							rand(3UCB)