| 1 | subroutine su_gases |
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| 2 | |
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| 3 | implicit none |
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| 4 | |
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| 5 | #include "gases.h" |
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| 6 | |
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| 7 | integer ngas, igas, ierr |
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| 8 | |
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| 9 | !================================================================== |
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| 10 | ! |
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| 11 | ! Purpose |
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| 12 | ! ------- |
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| 13 | ! Load atmospheric composition info |
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| 14 | ! |
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| 15 | ! Authors |
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| 16 | ! ------- |
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| 17 | ! R. Wordsworth (2011) |
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| 18 | ! |
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| 19 | !================================================================== |
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| 20 | |
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| 21 | ! load gas names from file 'gases.def' |
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| 22 | open(90,file='gases.def',status='old',form='formatted',iostat=ierr) |
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| 23 | if (ierr.eq.0) then |
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| 24 | write(*,*) "sugases.F90: reading file gases.def" |
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| 25 | read(90,*) |
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| 26 | read(90,*,iostat=ierr) ngas |
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| 27 | if (ierr.ne.0) then |
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| 28 | write(*,*) "sugases.F90: error reading number of gases" |
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| 29 | write(*,*) " (first line of gases.def) " |
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| 30 | call abort |
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| 31 | endif |
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| 32 | ! check that the number of gases is indeed ngasmx |
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| 33 | if (ngas.ne.ngasmx) then |
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| 34 | write(*,*) "sugases.F90: error, wrong number of gases:" |
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| 35 | write(*,*) "ngas=",ngas," whereas ngasmx=",ngasmx |
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| 36 | call abort |
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| 37 | endif |
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| 38 | |
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| 39 | do igas=1,ngas |
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| 40 | read(90,*,iostat=ierr) gnom(igas) |
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| 41 | if (ierr.ne.0) then |
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| 42 | write(*,*) 'sugases.F90: error reading gas names...' |
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| 43 | call abort |
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| 44 | endif |
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| 45 | enddo !of do igas=1,ngas |
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| 46 | |
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| 47 | vgas=0 |
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| 48 | do igas=1,ngas |
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| 49 | read(90,*,iostat=ierr) gfrac(igas) |
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| 50 | if (ierr.ne.0) then |
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| 51 | write(*,*) 'sugases.F90: error reading gas molar fractions...' |
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| 52 | call abort |
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| 53 | endif |
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| 54 | |
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| 55 | ! find variable gas (if any) |
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| 56 | if(gfrac(igas).eq.-1.0)then |
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| 57 | if(vgas.eq.0)then |
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| 58 | vgas=igas |
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| 59 | else |
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| 60 | print*,'You seem to be choosing two variable gases' |
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| 61 | print*,'Check that gases.def is correct' |
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| 62 | call abort |
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| 63 | endif |
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| 64 | endif |
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| 65 | |
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| 66 | enddo !of do igas=1,ngas |
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| 67 | |
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| 68 | else |
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| 69 | write(*,*) 'Cannot find required file "gases.def"' |
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| 70 | call abort |
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| 71 | endif |
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| 72 | close(90) |
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| 73 | |
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| 74 | end subroutine su_gases |
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