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);

  Additional Information (explode) :

• Argument
• Description
• Return Values