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TRUNC(3)		 BSD Library Functions Manual		      TRUNC(3)

NAME
     trunc, truncf -- nearest integral value with magnitude less than or equal
     to	|x|

LIBRARY
     Math Library (libm, -lm)

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 FE_TOWARDZERO rounding mode.

SEE ALSO
     ceil(3), fesetround(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").

HISTORY
     These routines first appeared in FreeBSD 5.3.

BSD				 June 20, 2004				   BSD

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | SEE ALSO | STANDARDS | HISTORY

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