Zilog EZ80F916 - Manual (Page 360)

UM014423-0607 C Standard Library
ZiLOG Developer Studio II
eZ80Acclaim! ® User Manual
340
exp
Computes the exponential function of x . A range error occurs if the magnitude of x is too
large.
Synopsis
#include
double exp(double x);
Returns
The exponential value.
Example
double y=.1234;
double x;
x=exp(y);
fabs
Computes the absolute value of a floating-point number x .
Synopsis
#include
double fabs(double x);
Returns
The absolute value of x.
Example
double y=6.23;
double x;
x=fabs(y);
floor
Computes the largest integer not greater than x.
Synopsis
#include
double floor(double x);
Returns
The largest integer not greater than x, expressed as a double .