sunos man page for llroundl

llround(3M)						  Mathematical Library Functions					       llround(3M)

NAME
       llround, llroundf, llroundl - round to nearest integer value

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

       long long llround(double x);

       long long llroundf(float x);

       long long llroundl(long double x);

DESCRIPTION
       These  functions  rounds their argument to the nearest integer value, 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 domain error occurs and an unspecified value is returned.

       If x is +Inf, a domain error occurs and an unspecified value is returned.

       If x is -Inf, a domain error occurs and an unspecified value is returned.

       If the correct value is positive and too large to represent as a long long, a domain error occurs and an unspecified value is returned.

	If the correct value is negative and too large to represent as a long long, a domain error occurs and an unspecified value is returned.

ERRORS
       These functions will fail if:

       Domain Error    The x argument is NaN or +-Inf, or the correct value is not representable as an integer.

		       If the integer expression (math_errhandling & MATH_ERREXCEPT) is non-zero, then the invalid floating-point  exception  will
		       be raised.

USAGE
       An  application	wanting  to  check  for  exceptions should call feclearexcept(FE_ALL_EXCEPT) before calling these functions. On return, if
       fetestexcept(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW) is non-zero, an exception  has  been  raised.  An  application  should
       either examine the return value or check the floating point exception flags to detect exceptions.

       These functions differ from the llrint(3M) functions in that the default rounding direction for the llround() functions round halfway cases
       away from 0 and need not raise the inexact floating-point exception for non-integer arguments that round to within the range of the  return
       type.

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), llrint(3M), lrint(3M), lround(3M), math.h(3HEAD), attributes(5), standards(5)

SunOS 5.10							    1 Sep 2002							       llround(3M)