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OpenDarwin 7.2.1 - man page for nearbyintf (opendarwin section 3)

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); float nearbyintf(float x);
DESCRIPTION
The nearbyint() and nearbyintf() 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), ieee(3), math(3)
STANDARDS
The nearbyint() and nearbyintf() functions conform to ISO/IEC 9899:1999(E).
BSD
January 29, 2003 BSD


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