round man page on SmartOS

round man page on SmartOS

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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)

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