NAME
trunc, truncf,
truncl —
nearest integral value with magnitude
less than or equal to |x|
SYNOPSIS
#include
<math.h>
double
trunc(double
x);
float
truncf(float
x);
long double
truncl(long
double x);
DESCRIPTION
The
trunc(),
truncf()
and
truncl()
functions return the nearest integral value with magnitude less than or
equal to |x|. They are equivalent to
rint(),
rintf()
and
rintl()
respectively, in the rounding towards zero mode.
SEE ALSO
ceil(3), fesetround(3), floor(3), nextafter(3), rint(3), round(3)
STANDARDS
The trunc(),
truncf() and truncl()
functions conform to ISO/IEC 9899:1999
(“ISO C99”).