Mathematical Library Functions round(3M)
NAME
round, roundf, roundl - round to nearest integer value in
floating-point format
SYNOPSIS
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#include
double round(double x); float roundf(float x);long double roundl(long double x);
DESCRIPTION
These functions round their argument to the nearest integervalue 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 attri-
butes:SunOS 5.11 Last change: 12 Jul 2006 1
Mathematical Library Functions round(3M)____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Interface Stability | Committed ||_____________________________|_____________________________|
| MT-Level | MT-Safe |
|_____________________________|_____________________________|
| Standard | See standards(5). ||_____________________________|_____________________________|
SEE ALSO
feclearexcept(3M), fetestexcept(3M), math.h(3HEAD), attri-
butes(5), standards(5)SunOS 5.11 Last change: 12 Jul 2006 2