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c:math.h:sqrt

Table of Contents

sqrt

    double sqrt(double);

returns the square root

C Sourcecode Example

compile in linux with: gcc sqrt.c -o sqrt -lm -Wall

#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */
 
#include <math.h> /* including math library */
 
int main ( void )
{
  printf ("square root from 4.2 is %f\n", sqrt (4.2) );
  return 0;
}

output

 output:
 user@host:~$ ./sqrt 
 square root from 4.2 is 2.049390
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c/math.h/sqrt.txt · Last modified: 2013/01/22 22:02 (external edit)

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