File: bitpat.f

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      SUBROUTINE BITPAT (ICODE,IBITS)
C
C     THE PURPOSE OF THIS ROUTINE IS TO TRANSFORM THE DOF WORD INTO ITS
C     NASTRAN DIGITAL REPRESENTATION.
C
      EXTERNAL        ORF
      INTEGER         LIST(32),IBITS(2),ORF,INT(9)
      COMMON /SYSTEM/ JUNK(38),NBPC,NBPW
      DATA    IBLANK/ 4H    /
      DATA    INT   / 1H1,1H2,1H3,1H4,1H5,1H6,1H7,1H8,1H9 /
C
      IBITS(1) = IBLANK
      IBITS(2) = IBLANK
C
      CALL DECODE (ICODE,LIST,N)
      IF (N .EQ. 0) RETURN
C
      J = 1
      NBITS = -NBPC
      DO 20 I = 1,N
      NBITS = NBITS + NBPC
      IA = LIST(I)  + 1
      K  = NBPW - NBITS
      IBITS(J) = KLSHFT(KRSHFT(IBITS(J),K/NBPC),K/NBPC)
      IBITS(J) = ORF(IBITS(J),KRSHFT(INT(IA),NBITS/NBPC))
      IF (I .NE. 4) GO TO 20
      J = 2
      NBITS = -NBPC
   20 CONTINUE
      RETURN
      END