*
* $Id$
*
* $Log$
* Revision 1.1  2000/06/19 20:00:30  eugenio
* Initial revision
*
* Revision 1.1.1.1  1994/11/22  16:57:04  zfiles
* first version of korb in CVS
*
*
#include "sys/CLEO_machine.h"
#include "pilot.h"
*CMZ :  2.00/00 21/01/93  15.42.37  by  Alan Weinstein
*-- Author :
      FUNCTION AMAST(PP)
C ----------------------------------------------------------------------
C CALCULATES MASS OF PP (DOUBLE PRECISION)
C
C     USED BY : RADKOR
C ----------------------------------------------------------------------
      IMPLICIT REAL*8 (A-H,O-Z)
      REAL*8  PP(4)
      AAA=PP(4)**2-PP(3)**2-PP(2)**2-PP(1)**2
C
      IF(AAA.NE.0.0) AAA=AAA/SQRT(ABS(AAA))
      AMAST=AAA
      RETURN
      END