how can i find sqrt of a any number without using expr Post: 302307336

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1. Programming

sqrt

Hi! when i'm trying to compile this lite example on my linux machine I'll get errors and i don't know why.. #include <stdio.h> #include <math.h> /* needed by sqrt() */ int main() { printf("%f", sqrt(10.0)); return (0); } this is the error: /tmp/cc33hNVHK.o: In function...

2. Programming

sqrt is not find???

I was writing a simple program in linux, which includes sqrt function of c. I included the math.h. But when I use gcc to compile it, it gave an error message: /home/murat/tmp/ccOv9upo.o(.text+0x4b): In function `main': : undefined reference to `sqrt' collect2: ld returned 1 exit status I...

3. Shell Programming and Scripting

How to create SQRT function in catenate file

HI, I have a file which i catenate and using the fields in the file, I would like to get sqrt of it. I tried to man the function but it normally would need an echo as well as bc. What I am intending to find out is catenate a file where let say cat a.txt| awk ' { t= h*($3+$2); t=...

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Find first digit in string using expr index

I have looked for hours for an answer, so I have decided to request your guidance. I want to substract the first number (series of digits) contained in a string. This string is the output of another command. The substring (number) can be located at any position inside the string. I want to...

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PERL: Simple reg expr validate 6 digits number

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6. Programming

C Library reference error using sqrt() - will not compile.

This so basic that it should work.... Any ideas would be appreciared. Using a number directly in the sqrt allows it to compile. primrose > cat a.c #include <stdio.h> #include <math.h> int main(void) { double abcd=9; printf("%f\n",sqrt(abcd)); } primrose > gcc a.c Undefined first...

7. UNIX for Dummies Questions & Answers

sqrt in bash

Hi, i have a the following script: #!/bin/bash a=3 b=9 let "c= b*a" let "d=sqrt $c " echo $d But when i execute the code, it gives me the an error saying: line 5: let: d=sqrt 27 : syntax error in expression (error token is "27 ") Can any body tell me what I'm doing wrong?

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Find command - using regular expr

Hi, I would like to use find command to find file with a predefined extension for example find . modules/*.ksh *.lib I thought it's possible to use something like : find . modules/*. but it does not work. is there any other way? Thanks you

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awk to find number in a field then print the line and the number

Hi I want to use awk to match where field 3 contains a number within string - then print the line and just the number as a new field. The source file is pipe delimited and looks something like 1|net|ABC Letr1|1530||| 1|net|EXP_1040 ABC|1121||| 1|net|EXP_TG1224|1122||| 1|net|R_North|1123|||...

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Q: Is SQRT(n) possible in a POSIX compliant shell? A: Yes within limits.

Hi all... This is just a fun project to see if it is possible to get a square root of a positive integer from 1 to 9200000 to 6 decimal places on a 64 bit architecture machine. It is coded around dash and the results show the values from 0 to 10000. Complex numbers can easily be catered for by...

LEARN ABOUT V7

profil

PROFIL(2)							System Calls Manual							 PROFIL(2)

NAME

       profil - execution time profile

SYNOPSIS

       profil(buff, bufsiz, offset, scale)
       char *buff;
       int bufsiz, offset, scale;

DESCRIPTION

       Buff  points  to  an area of core whose length (in bytes) is given by bufsiz.  After this call, the user's program counter (pc) is examined
       each clock tick (60th second); offset is subtracted from it, and the result multiplied by scale.  If the resulting number corresponds to  a
       word inside buff, that word is incremented.

       The  scale  is  interpreted  as	an unsigned, fixed-point fraction with binary point at the left: 0177777(8) gives a 1-1 mapping of pc's to
       words in buff; 077777(8) maps each pair of instruction words together.  02(8) maps all instructions onto the beginning of buff (producing a
       non-interrupting core clock).

       Profiling  is turned off by giving a scale of 0 or 1.  It is rendered ineffective by giving a bufsiz of 0.  Profiling is turned off when an
       exec is executed, but remains on in child and parent both after a fork.	Profiling may be turned off if an update in  buff  would  cause  a
       memory fault.

SEE ALSO

       monitor(3), prof(1)

ASSEMBLER

       (profil = 44.)
       sys profil; buff; bufsiz; offset; scale

																	 PROFIL(2)

10 More Discussions You Might Find Interesting

1. Programming

sqrt

Discussion started by: CreamHarry

2. Programming

sqrt is not find???

Discussion started by: murataht

3. Shell Programming and Scripting

How to create SQRT function in catenate file

Discussion started by: ahjiefreak

4. Shell Programming and Scripting

Find first digit in string using expr index

Discussion started by: jcd