C ELM20               TYPE 20    COORDINATE ROTATION
C
C TOTROT     TOTAL Z ROTATION
C TOTRA      SUM OF ABSOLUTE VALUES OF Z ROTATIONS
C CSR        COSINE OF ROTATION ANGLE
C SNR        SINE OF ROTATION ANGLE
C CST        COSINE OF TOTAL ROTATION ANGLE
C SNT        SINE OF TOTAL ROTATION ANGLE
C SNSUM      SUM OF ABSOLUTE VALUES OF SINES OF INDIVIDUAL ROTATION ANGLES
C
      COMMON /ELM20/  TOTROT, TOTRA, CSR, SNR, CST, SNT, SNSUM