round(3m) [opensolaris man page]

round(3M)						  Mathematical Library Functions						 round(3M)

NAME

       round, roundf, roundl - round to nearest integer value in floating-point format

SYNOPSIS

       c99 [ flag... ] file... -lm [ library... ]
       #include <math.h>

       double round(double x);

       float roundf(float x);

       long double roundl(long double x);

DESCRIPTION

       These  functions round their argument to the nearest integer value in floating-point format, rounding halfway cases away from 0, regardless
       of the current rounding direction.

RETURN VALUES

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

       If x is NaN, a NaN is returned.

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

ATTRIBUTES

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

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

SEE ALSO

       feclearexcept(3M), fetestexcept(3M), math.h(3HEAD), attributes(5), standards(5)

SunOS 5.11							    12 Jul 2006 							 round(3M)