DragonFly On-Line Manual Pages

TRUNC(3)              DragonFly Library Functions Manual              TRUNC(3)

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'').

DragonFly 4.1                   August 14, 2013                  DragonFly 4.1