You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
#include <soft.h>
|
|
|
|
/*
|
|
* floor and ceil-- greatest integer <= arg
|
|
* (resp least >=)
|
|
*/
|
|
|
|
double floor(double d)
|
|
{
|
|
double fract;
|
|
|
|
if (d<0.0) {
|
|
d = -d;
|
|
fract = modf(d, &d);
|
|
if (fract != 0.0)
|
|
d += 1;
|
|
d = -d;
|
|
} else
|
|
modf(d, &d);
|
|
return(d);
|
|
}
|
|
|
|
double ceil(double d)
|
|
{
|
|
return(-floor(-d));
|
|
}
|
