Cloned SEACAS for EXODUS library with extra build files for internal package management.
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C Copyright(C) 1999-2020 National Technology & Engineering Solutions
C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
C NTESS, the U.S. Government retains certain rights in this software.
C
C See packages/seacas/LICENSE for details
SUBROUTINE SHFTI(IARAY,N,M,ISTRT,IEND,INT)
C THIS SUBROUTINE SHIFTS THE ROWS IN AN INTEGER ARRAY. IF INT>0 THEN
C ALL ROWS ISTRT TO IEND ARE SHIFTED UP "INT" ROWS. IF INT<0 THE ALL
C ROWS ISTRT TO IEND ARE SHIFTED DOWN "INT" ROWS.
DIMENSION IARAY(N,M)
C CALCULATE RANGE AND INCREMENT OF DO LOOP
IF(INT.LT.0)THEN
C SHIFT DOWN
I1=IEND
I2=ISTRT
ID=-1
ELSE IF(INT.GT.0)THEN
C SHIFT UP
I1=ISTRT
I2=IEND
ID=1
ELSE
RETURN
END IF
C PERFORM SHIFT
DO J=1,M
DO I=I1,I2,ID
IARAY(I-INT,J)=IARAY(I,J)
end do
end do
RETURN
END