Rounds to the nearest integer value, rounding halfway cases away
    from zero regardless of the current rounding direction.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <math.h>

      long lround  (double x);

      long lroundf  (float x);

      long lroundl  (long double x);

1 - Argument

 x

    A real value.

2 - Description

    The lround functions return the rounded integer value of x, with
    halfway cases rounded away from zero regardless of the current
    rounding direction.

3 - Return Values

    n                  Upon success, the rounded integer value.