TRUNC(3) Linux Programmer's Manual TRUNC(3)
NAME
trunc, truncf, truncl - round to interger, towards zero
SYNOPSIS
#include <math.h>
double trunc(double x);
float truncf(float x);
long double truncl(long double x);
DESCRIPTION
These functions round x to the nearest integer not larger in absolute value.
RETURN VALUE
The rounded integer value. If x is integral, infinite or NaN, x itself is returned.
ERRORS
None.
CONFORMING TO
C99.
SEE ALSO
ceil(3), floor(3), lrint(3), nearbyint(3), rint(3), round(3)
2001-05-31 TRUNC(3)
