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c:math.h:ceil
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Table of Contents

ceil

     double ceil(double);

rounding up floating point

C Sourcecode Example

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

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

output

 output:
 user@host:~$ ./ceil 
  ceil from 4.2 is 5.000000
 
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c/math.h/ceil.txt · Last modified: 2013/01/22 22:02 (external edit)

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