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c:math.h:log

Table of Contents

log

    double log(double);

Natural logarithm of a number

C Sourcecode Example

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

#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */
 
#include <math.h> /* including math library */
 
int main ( void ) 
{
double x;
x = log(1.3);
printf("The log is %f\n",x);
return 0;
}

output

 output:
 user@host:~$  ./log 
 The log is 0.262364
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c/math.h/log.txt · Last modified: 2013/01/22 22:02 (external edit)

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