Zilog EZ80F916 - Manual (Page 358)

UM014423-0607 C Standard Library
ZiLOG Developer Studio II
eZ80Acclaim! ® User Manual
338
Example
char *buf;
buf = (char*)calloc(40, sizeof(char));
if (buf != NULL)
/*success*/
else
/*fail*/
ceil
Computes the smallest integer not less than x.
Synopsis
#include
double ceil(double x);
Returns
The smallest integer not less than x, expressed as a double .
Example
double y=1.45;
double x;
x=ceil(y);
cos
Computes the cosine of x (measured in radians). A large magnitude argument can yield a
result with little or no significance.
Synopsis
#include
double cos(double x);
Returns
The cosine value.
Example
double y=.1234;
double x;
x=cos(y);