rint - round to closest integer

SYNOPSIS

       #include <math.h>

       double rint(double x);

DESCRIPTION

       The rint() function rounds x to an integer value according
       to the prevalent rounding mode.  The default rounding mode
       is to round to the nearest integer.

RETURN VALUE

       The  rint() function returns the integer value as a float­
       ing-point number.

CONFORMING TO

       BSD 4.3

SEE ALSO

       abs(3), ceil(3), fabs(3), floor(3), labs(3)