truncf(3) [opendarwin man page]

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

NAME

     trunc -- truncate to integer value

SYNOPSIS

     #include <math.h>

     double
     trunc(double x);

     float
     truncf(float x);

DESCRIPTION

     The trunc() and truncf() 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), ieee(3), rint(3), math(3)

STANDARDS

     The trunc() and truncf() functions conform to ISO/IEC 9899:1999(E).

BSD
								 January 29, 2003							       BSD

trunc(3M)						  Mathematical Library Functions						 trunc(3M)

NAME

       trunc, truncf, truncl - round to truncated integer value

SYNOPSIS

       cc [ flag... ] file... -lm [ library... ]
       #include <math.h>

       double trunc(double x);

       float truncf(float x);

       long double truncl(long double x);

DESCRIPTION

       These functions round their argument to the integer value, in floating format, nearest to but no larger in magnitude than the argument.

RETURN VALUES

       Upon successful completion, these functions return the truncated integer value.

       If x is NaN, a NaN is returned.

       If x is +-0 or +-Inf, x is returned.

ERRORS

       No errors are defined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       math.h(3HEAD), attributes(5), standards(5)

SunOS 5.10							    1 Sep 2002								 trunc(3M)