1 | subroutine su_gases |
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2 | |
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3 | use gases_h |
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4 | |
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5 | implicit none |
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6 | |
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7 | integer 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) ngasmx |
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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 | |
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33 | PRINT *, "OK I HAVE ",ngasmx, " GASES. NOW I ALLOCATE ARRAYS AND READ NAMES AND FRAC." |
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34 | |
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35 | IF ( .NOT. ALLOCATED( gnom ) ) ALLOCATE( gnom( ngasmx ) ) |
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36 | do igas=1,ngasmx |
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37 | read(90,*,iostat=ierr) gnom(igas) |
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38 | if (ierr.ne.0) then |
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39 | write(*,*) 'sugases.F90: error reading gas names in gases.def...' |
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40 | call abort |
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41 | endif |
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42 | enddo !of do igas=1,ngasmx |
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43 | |
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44 | vgas=0 |
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45 | IF ( .NOT. ALLOCATED( gfrac ) ) ALLOCATE( gfrac( ngasmx ) ) |
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46 | do igas=1,ngasmx |
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47 | read(90,*,iostat=ierr) gfrac(igas) |
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48 | if (ierr.ne.0) then |
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49 | write(*,*) 'sugases.F90: error reading gas molar fractions in gases.def...' |
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50 | call abort |
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51 | endif |
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52 | |
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53 | ! find variable gas (if any) |
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54 | if(gfrac(igas).eq.-1.0)then |
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55 | if(vgas.eq.0)then |
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56 | vgas=igas |
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57 | else |
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58 | print*,'You seem to be choosing two variable gases' |
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59 | print*,'Check that gases.def is correct' |
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60 | call abort |
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61 | endif |
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62 | endif |
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63 | |
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64 | enddo !of do igas=1,ngasmx |
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65 | |
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66 | else |
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67 | write(*,*) 'Cannot find required file "gases.def"' |
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68 | call abort |
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69 | endif |
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70 | close(90) |
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71 | |
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72 | end subroutine su_gases |
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