291 lines
6.7 KiB
Fortran
291 lines
6.7 KiB
Fortran
subroutine dat_lnsp
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c -------------------
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external dat_lnsp_desc
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external dat_lnsp_opts
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external dat_lnsp_read
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integer dtype/0/
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call dat_init_desc(dtype, dat_lnsp_desc)
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call dat_init_opts(dtype, dat_lnsp_opts)
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call dat_init_read(dtype, dat_lnsp_read)
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end
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subroutine dat_lnsp_desc(text)
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! ------------------------------
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character*(*) text ! (out) description
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! type description
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! ----------------------------------
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text='LNSP LNS powder Ascii format (DMC, HRPT)'
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end
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subroutine dat_lnsp_opts
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! ------------------------
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print '(x,a)'
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1,'x: xaxis (2theta,d,Q), default= 2theta'
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1,'lambda: used for transformation, if not given if file'
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end
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subroutine dat_lnsp_read
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1 (lun, forced, nread, putval, nmax, xx, yy, ss, ww)
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! ----------------------------------------------------
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implicit none
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integer lun ! (in) logical unit number (file will be closed if successful)
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integer forced ! 0: read only if type is sure; 1: forced read
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integer nread ! (out) >=0: = number of points read, file closed
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! -1: not correct type, file rewinded
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! -2: correct type, but unreadable, file rewinded
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external putval ! (in) subroutine to put name/value pairs.
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! for numeric data: call putval('name', value) ! value must be real
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! for character data: call putval('name=text', 0.0)
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integer nmax ! max. number of points
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real xx(*) ! x-values
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real yy(*) ! y-values
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real ss(*) ! sigma
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real ww(*) ! weights (original monitor)
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! local
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character line*132, title*80, short*8
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character date*20, preset*4, instr*8
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character xaxis*64
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integer npk
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integer i, l, j
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real ymon
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real meastime, lambda, temp, dtemp
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real uur
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real xmin, xstep, xend, xval, fact
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real yint(0:99)
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logical overflow
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external dat_lnsp_val
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nread=0
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preset=' '
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overflow=.false.
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xstep=0
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ymon=0
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read(lun,'(a)',err=900,end=900) line
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rewind lun
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i=index(line, ',')
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if (i .gt. 1 .and. i .le. 9) then
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instr=line(1:i-1)
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else
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instr=' '
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endif
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if (instr .eq. ' ') then
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if (line(32:40) .eq. 'Phase No:') then ! fullprof sub output
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read(line(1:31), *, err=901,end=901) xmin, xstep, xend
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title=line(32:)
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read(lun,*,err=901,end=901)
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instr='fp'
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else
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if (forced .le. 0 .and. line(64:67) .ne. 'YTIM') then
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inquire(lun, name=line)
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call sys_parse(short, l, line, ' ', 2)
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call str_upcase(short(1:4), short(1:4))
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if (short(1:4) .ne. '.DMC') goto 900
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endif
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instr='DMC'
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endif
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elseif (instr .ne. 'DMC' .and. instr .ne. 'HRPT'
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1 .and. instr .ne. 'LNSP') then
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goto 900
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endif
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call dat_start_options
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xaxis=' '
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call dat_str_option('x', xaxis)
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lambda=0.0
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call dat_real_option('lambda', lambda)
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call dat_group(1, putval)
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if (instr .eq. 'fp') goto 108
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read(lun,'(a)',err=99,end=99) line
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if (line(64:67) .eq. 'YTIM') then ! old header
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date=' '
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meastime=0.0
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read(line, '(21x,a20,27x,f8.0)', err=101,end=101) date, meastime
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101 read(lun, '(a)',err=901,end=99) title
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if (title(67:69) .eq. 'WL:') then
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if (lambda .eq. 0.0) then
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read(title(70:80), *, err=102,end=99) lambda
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endif
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title(67:)=' '
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102 continue
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endif
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temp=0
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dtemp=0
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uur=0
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read(lun, '(3f8.0,8x,f8.0,3x,f5.0,8x,f8.0,5x,f8.0)'
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1 , err=103,end=99)
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1 xmin, xstep, xend, temp, dtemp, uur, ymon
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103 if (temp .ne. 0) then
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call putval('Temp', temp)
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if (dtemp .ne. 0) call putval('dTemp', dtemp)
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endif
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if (date .ne. ' ') call putval('Date='//date, 0.0)
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call dat_group(2, putval)
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if (meastime .ne. 0) call putval('MeasTime', meastime)
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if (uur .ne. 0) call putval('MuR', uur)
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if (ymon .gt. 0) ymon=ymon*1000.
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else ! new header
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title=line(6:)
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read(lun,'(a)',err=99,end=99) line
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call dat_delimiters(',','=','''')
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call dat_intprt(line, dat_lnsp_val, putval)
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read(lun,'(a)',err=99,end=99) line
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read(line, *, err=107,end=107) xmin, xstep, xend, ymon
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107 j=index(line, ',')
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call dat_delimiters(',','=',' ')
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if (j .ne. 0 .and. line(j+1:) .ne. ' ') then
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call dat_intprt(line(j+1:), dat_lnsp_val, putval)
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endif
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endif
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108 if (xstep .eq. 0) goto 901
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if (ymon .gt. 0) then
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preset='MN'
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elseif (ymon .lt. 0) then
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ymon=-ymon
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preset='TI'
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else
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ymon=0. ! was 1.
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endif
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call dat_group(3, putval)
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if (preset .ne. ' ') call putval('Preset='//preset, 0.0)
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if (lambda .eq. 0.0) then
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call sym_get_real('lambda', lambda)
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else if (lambda .ne. 0.0) then
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call putval('lambda', lambda)
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endif
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call dat_powder_init(lambda, '2theta', xaxis)
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if (xstep .eq. 0) goto 901
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npk=nint((xend-xmin)/xstep)+1
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! read intensity block
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do i=0,npk-1,10
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read(lun, '(10F8.0)', err=902,end=902) (yint(j),j=0,9)
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do j=0,min(9,npk-1-i)
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if (nread .ge. nmax) then
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if (.not. overflow) then
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print *,'DAT_LNSP: Too many datapoints, truncated'
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overflow=.true.
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endif
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else
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xval=xmin+nread*xstep
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nread=nread+1
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call dat_powder_trf(xval, xx(nread), fact)
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yy(nread)=yint(j)*fact
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ww(nread)=fact
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if (yint(j) .gt. 0) then
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ss(nread)=sqrt(yint(j))
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else
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ss(nread)=0.0
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endif
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endif
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enddo
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enddo
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! read sigma block
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yint(0)=0
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do i=1,npk,10
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read(lun, '(10F8.0)', err=290,end=290) (yint(j),j=0,9)
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do j=0,9
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if (i+j .ge. nread) goto 202
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ss(i+j)=yint(j)
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enddo
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enddo
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202 goto 500
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290 if (i .le. 1 .and. yint(0) .eq. 0) then
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if (instr .ne. 'fp') then
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print *,'--- Old LNSP format, no sigma block'
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endif
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else
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print *,'--- Error in sigma block'
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endif
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500 do i=1,nread
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if (ss(i) .eq. 0.0) then
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ss(i)=1.0
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else
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ss(i)=ss(i)*ww(i)
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endif
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ww(i)=ymon
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enddo
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call dat_group(3, putval)
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if (xaxis .eq. ' ') then
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call putval('XAxis=2-Theta [deg]', 0.0)
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else
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call putval('XAxis='//xaxis, 0.0)
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endif
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call putval('YAxis=Intensity', 0.0)
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call dat_group(1, putval)
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call putval('Monitor', ymon)
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call str_trim(title, title, l)
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call putval('Title='//title(1:l), 0.0)
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call putval('Instrument='//instr, 0.0)
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call sym_read(lun, dat_lnsp_val)
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990 close(lun)
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return
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! error messages
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900 nread=-1
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rewind lun
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return
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901 print *,'DAT_LNSP: Error in header'
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goto 990
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902 print *,'DAT_LNSP: Error in intensity block'
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goto 990
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99 print *,'DAT_LNSP: error during read'
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rewind lun
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nread=-2
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return
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end
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subroutine dat_lnsp_val(str, val, putval)
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character*(*) str
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real val
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external putval
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integer i
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if (val .eq. 0) then
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i=index(str, '=')
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else
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i=0
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endif
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if (i .eq. 0) then ! numeric
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if (str .eq. 'T') then
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call putval('Temp', val)
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return
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elseif (str .eq. 'dT') then
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call putval('dTemp', val)
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return
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elseif (str .eq. ' ') then
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return
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endif
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else
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if (str(1:i) .eq. 'Filelist=') return
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endif
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call putval(str, val)
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end
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