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ÎÒ´Ó°æÄÚÏÂÔØµÄ·ÖÎöPROCARµÄ³ÌÐòBand£procar.f ºÍDos£procar.f ͨ¹ýg77 ±àÒë³É¿ÉÖ´ÐÐÎļþ¡£µ«ÊÇÖ´Ðкó³öÏÖsegmentation fault (core dumped)´íÎóÌáʾ¡£ÕâÊÇΪʲô°¡£¿ÎÒÉÏÍø²éÁËÒ»ÏÂÕâ±íʾָÕëʹÓóö´í¡£Îҵıà³Ìˮƽ̫²îʵÔڲ鲻³öÎÊÌâÔÚÄÄ¡£Âé·³ÄÄλ¸ßÈËÖ¸µãһϣ¬Ê®·Ö¸Ðл£¡ÒÔÏÂÊÇÔ´³ÌÐò implicit real*8(a-h,o-z) parameter (nbd = 200) parameter (nkd = 500) parameter (nxd = 300) parameter (natmd = 20) dimension a(3,3),b(3,3),c(3),e(nkd,nbd),sk(nkd,3) dimension xx(nxd) ,wei(nkd) dimension dump(20),oc(nkd,nbd,natmd,4) open(7,file='PROCAR',form='FORMATTED',status='OLD') pi = 3.141592654 read(7,103) dump write(*,*) 'Spin polarized calculation? (no=1,yes=2):' read (*,*) ispin if ((ispin.ne.1).and.(ispin.ne.2)) then write(*,*) ' INPUT ERROR, ispin must equal to 1 or 2 ' stop endif c write(*,*) 'Enter # of interval (npoints) and division (ndiv):' c read (*,*) npoints,ndiv open(9,file='KPOINTS',form='FORMATTED',status='OLD') read(9,100) temp read(9,*) ndiv write(*,*) 'Enter the range of energy to plot:' read (*,*) er1,er2 emin=min(er1,er2) emax=max(er1,er2) write(*,*) 'Enter the value of fermi energy:' read(*,*) ef if (ispin.eq.1) then open(11,file='band.dat') elseif (ispin.eq.2) then open(11,file='band-up.dat') open(12,file='band-dn.dat') endif open(8,file='POSCAR',form='FORMATTED',status='OLD') read(8,100) temp c write(6,100) temp 100 format(20a4) read (8,*) aa c WRITE(6,*) aa c c *** read lattice constant from POSCAR** c do i=1,3 read (8,*) (a(i,j),j=1,3) c WRITE(6,500) (a(i,j),j=1,3) 500 format (3f12.8) enddo do i=1,3 do j=1,3 a(i,j)=aa*a(i,j) enddo c WRITE(6,500) (a(i,j),j=1,3) enddo c c *** read lattice vector from POSCAR*** c volume=a(1,1)*a(2,2)*a(3,3)+a(1,2)*a(2,3)*a(3,1) &+a(1,3)*a(2,1)*a(3,2)-a(1,1)*a(2,3)*a(3,2) &-a(1,2)*a(2,1)*a(3,3)-a(1,3)*a(2,2)*a(3,1) do i=1,3 if (i .eq. 1) then j=2 k=3 else if (i .eq. 2) then j=3 k=1 else j=1 k=2 endif c(1)=a(j,2)*a(k,3)-a(j,3)*a(k,2) c(2)=a(j,3)*a(k,1)-a(j,1)*a(k,3) c(3)=a(j,1)*a(k,2)-a(j,2)*a(k,1) do j=1,3 b(i,j)=2*pi*c(j)/volume c WRITE (6,*) b(i,j) enddo enddo do 9000 isp=1,ispin read(7,104) nk,nband,nion do 1000 k = 1,nk read(7,103) dump read(7,105) kp,(sk(k,j),j=1,3),wei(k) c write(6,105) kp,(sk(k,j),j=1,3),wei(k) read(7,103) dump do nb = 1,nband read(7,106) nb1,e(k,nb),occ c write(6,106) nb1,e(k,nb),occ read(7,103) dump read(7,103) dump c write(6,*) 'nion=',nion niont = nion +1 if (nion .eq. 1) niont = 1 do ion = 1,niont read(7,107) (oc(k,nb,ion,j),j=1,4) c write(6,107) (oc(k,nb,ion,j),j=1,4) enddo read(7,103) dump c write(6,103) dump enddo 1000 continue weight = 0.0 do k = 1, nk weight = weight + wei(k) enddo do k = 1,nk wei(k) = wei(k) / weight enddo 101 format(10x,f9.5) 102 format(f10.5) 103 format(20a4) 104 format(16x,i3,20x,i5,19x,i4) 105 format(10x,i3,5x,3f11.8,13x,f11.8) 106 format(4x,i4,9x,f14.8,7x,f12.8) 107 format(3x,4f7.3) c c *** find reciprocal lattice vector *** xx(1) = 0.0 nn = 1 do k = 1,nk-1 dkx=(sk(k+1,1)-sk(k,1))*b(1,1) + (sk(k+1,2)-sk(k,2))*b(2,1) & + (sk(k+1,3)- sk(k,3))*b(3,1) dky=(sk(k+1,1)-sk(k,1))*b(1,2) + (sk(k+1,2)-sk(k,2))*b(2,2) & + (sk(k+1,3)- sk(k,3))*b(3,2) dkz=(sk(k+1,1)-sk(k,1))*b(1,3) + (sk(k+1,2)-sk(k,2))*b(2,3) & + (sk(k+1,3)- sk(k,3))*b(3,3) del = sqrt ( dkx**2 + dky**2 + dkz**2 ) nn = nn +1 xx(nn) = xx(nn-1) + del enddo do n=1,nband if (mod(n,2).ne.0) then do k=1,nk ee = e(k,n) - ef if ( ee .gt. emax ) ee = emax if ( ee .lt. emin ) ee = emin write (10+isp,300) xx(k),ee enddo elseif (mod(n,2).eq.0) then do i=nk,1,-1 ee = e(i,n) - ef if ( ee .gt. emax ) ee = emax if ( ee .lt. emin ) ee = emin write (10+isp,300) xx(i),ee enddo endif enddo 300 format (f12.8,2x,f12.8) if (mod(nband,2) .ne. 0) then write (10+isp,300) xx(nk),emin write (10+isp,300) xx(1),emin else write (10+isp,300) xx(1),emin endif c c *** write xx-ee *** c npoints=nk/ndiv do n=2,npoints kk=(n-1)*ndiv write (10+isp,300) xx(kk),emin write (10+isp,300) xx(kk),emax write (10+isp,300) xx(kk),emin enddo write (10+isp,300) xx(nk),emin write (10+isp,300) xx(nk),emax write (10+isp,300) xx(1),emax write (10+isp,300) xx(1),emin zero=0.0 write (10+isp,300) xx(1),zero write (10+isp,300) xx(nk),zero 9000 continue stop end [ Last edited by chk0521 on 2010-6-25 at 16:36 ] |
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