NEARBYINT(3) BSD Library Functions Manual NEARBYINT(3)
NAME
nearbyint -- round to integral value in floating-point format
SYNOPSIS
#include <math.h>
double
nearbyint(double x);
long double
nearbyintl(long double x);
float
nearbyintf(float x);
DESCRIPTION
The nearbyint() functions return the integral value (represented as a double precision number) nearest
to x according to the prevailing rounding mode.
SPECIAL VALUES
nearbyint(+-0) returns +-0 for all rounding modes.
nearbyint(+-infinity) returns +-infinity for all rounding modes.
SEE ALSO
abs(3), fabs(3), ceil(3), floor(3), math(3)
STANDARDS
The nearbyint() functions conform to ISO/IEC 9899:1999(E).
BSD January 29, 2003 BSD
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