NEARBYINT(3)             BSD Library Functions Manual             NEARBYINT(3)

NAME
     nearbyint -- round to integral value in floating-point format

SYNOPSIS
     ##include <>

     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 round-
     ing 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