TRUNC(3) OpenBSD Programmer's Manual TRUNC(3)NAME
trunc, truncf - nearest integral value with magnitude less than or equal
to |x|
SYNOPSIS
#include <math.h>
double
trunc(double x);
float
truncf(float x);
DESCRIPTION
The trunc() and truncf() functions return the nearest integral value with
magnitude less than or equal to |x|. They are equivalent to rint() and
rintf() respectively, in the rounding towards zero mode.
SEE ALSOceil(3), floor(3), math(3), nextafter(3), rint(3), round(3)STANDARDS
The trunc() and truncf() functions conform to ISO/IEC 9899:1999 (``ISO
C99'').
OpenBSD 4.9 July 6, 2009 OpenBSD 4.9