C ELM10E              MARKERS FOR ELEMENTS WHEN FITTING
C
C NCT      RUNNING COUNT OF ELEMENTS
C NCTV     RUNNING COUNT WHERE FIRST VARY CODE OCCURS
C NCTE     RUNNING COUNT WHERE FIRST EFFECTIVE VARY CODE (NOT OF A 
C                  PARAMETER) OCCURS
C NCTC     RUNNING COUNT WHERE LAST CONSTRAINT OCCURS
C NCTS     RUNNING COUNT FOR START OF SECTION TO BE FIT
C NCTF     RUNNING COUNT FOR END OF SAME SECTION
C DOPARS   IF RUN THROUGH BEAM IS FOR PARAMETERS ONLY
C DCOV     CALCULATE PARTIAL DERIVATIVES OF CENTROID POSITION WITH 
C                  RESPECT TO VARIED PARAMETERS
C
      LOGICAL         DOPARS, DCOV
C
      COMMON /ELM10E/ NCT, NCTV, NCTE, NCTC, NCTS, NCTF, 
     1                DOPARS, DCOV