Rounds to the nearest integer value, rounding according to the
    current rounding direction.

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

    Format

      #include  <math.h>

      long lrint  (double x);

      long lrintf  (float x);

      long lrintl  (long double x);

  Additional Information (explode) :

• Argument
• Description
• Return Values