trunc(3) BSD Library Functions Manual trunc(3)
NAME
trunc -- truncate to integer value
SYNOPSIS
#include <math.h>
double
trunc(double x);
long double
truncl(long double x);
float
truncf(float x);
DESCRIPTION
The trunc() functions return the integral value nearest to but no larger
in magnitude than x.
SPECIAL VALUES
trunc(+-0) returns +-0.
trunc(+-infinity) returns +-infinity.
SEE ALSO
ceil(3), rint(3), math(3)
STANDARDS
The trunc() functions conform to ISO/IEC 9899:1999(E).
BSD December 11, 2006 BSD
Mac OS X 10.6 - Generated Thu Sep 17 20:23:25 CDT 2009