mirror of https://github.com/triqs/dft_tools
106 lines
3.7 KiB
Fortran
106 lines
3.7 KiB
Fortran
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c ******************************************************************************
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c
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c TRIQS: a Toolbox for Research in Interacting Quantum Systems
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c
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c Copyright (C) 2011 by L. Pourovskii, V. Vildosola, C. Martins, M. Aichhorn
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c
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c TRIQS is free software: you can redistribute it and/or modify it under the
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c terms of the GNU General Public License as published by the Free Software
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c Foundation, either version 3 of the License, or (at your option) any later
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c version.
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c
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c TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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c WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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c FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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c details.
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c
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c You should have received a copy of the GNU General Public License along with
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c TRIQS. If not, see <http://www.gnu.org/licenses/>.
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c
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c *****************************************************************************/
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SUBROUTINE readcomline
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C %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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C %% %%
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C %% This subroutine reads and process the command line options %%
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C %% (Only -so, -sp and -band are the possible ones). %%
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C %% %%
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C %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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C Definiton of the variables :
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C ----------------------------
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USE common_data
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USE prnt
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IMPLICIT NONE
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CHARACTER(len=100) :: buf1
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CHARACTER(len=100), DIMENSION(:), ALLOCATABLE :: flags
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INTEGER :: i1, iargc, iarg
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LOGICAL :: ifError
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C Process the command line :
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C ---------------------------
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iarg=iargc()
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ALLOCATE(flags(iarg))
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ifSP=.FALSE.
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ifSO=.FALSE.
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ifBAND=.FALSE.
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ifError=.FALSE.
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DO i1=1,iarg
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CALL getarg(i1,buf1)
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READ(buf1,*)flags(i1)
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flags(i1)=ADJUSTL(flags(i1))
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CALL makelowcase(flags(i1))
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SELECT CASE(flags(i1)(1:5))
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CASE('-sp ')
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ifSP=.TRUE.
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CASE('-so ')
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ifSO=.TRUE.
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CASE('-band')
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ifBAND=.TRUE.
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CASE DEFAULT
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ifError=.TRUE.
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EXIT
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END SELECT
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ENDDO
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C ---------------------------------------------------------------------------------------
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C Interruption of the prgm if the options are not recognized.
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C -------------------------
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C
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IF (ifError) THEN
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WRITE(6,'(a,a,a)')'Command line option: ',flags(i1)(1:5),
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& ' is not recognized.'
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WRITE(6,'(a)')'END OF THE PRGM'
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STOP
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ENDIF
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C ---------------------------------------------------------------------------------------
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DEALLOCATE(flags)
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C
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RETURN
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END
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SUBROUTINE makelowcase(string)
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C %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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C %% %%
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C %% This subroutine modifies the input string into low case %%
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C %% %%
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C %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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C Definiton of the variables :
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C ----------------------------
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IMPLICIT NONE
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CHARACTER*26 :: upperabc
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CHARACTER*26 :: lowabc
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CHARACTER* (*) string
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INTEGER :: i,k
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PARAMETER(upperabc='ABCDEFHGIJKLMNOPQRSTUVWXYZ')
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PARAMETER(lowabc='abcdefhgijklmnopqrstuvwxyz')
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DO i=1,len(string)
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DO k=1,26
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IF(string(i:i)==upperabc(k:k)) string(i:i)=lowabc(k:k)
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ENDDO
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ENDDO
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RETURN
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END
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