21 lines
394 B
C
21 lines
394 B
C
|
/*
|
||
|
|
* (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
||
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
||
|
|
*
|
||
|
|
* Author: Ceriel J.H. Jacobs
|
||
|
|
*/
|
||
|
|
/* $Header$ */
|
||
|
|
|
||
|
|
#include <math.h>
|
||
|
|
|
||
|
|
double
|
||
|
|
ceil(double x)
|
||
|
|
{
|
||
|
|
double val;
|
||
|
|
|
||
|
|
return modf(x, &val) > 0 ? val + 1.0 : val ;
|
||
|
|
/* this also works if modf always returns a positive
|
||
|
|
fractional part
|
||
|
|
*/
|
||
|
|
}
|