Last change
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checked in by jbrlod, 13 years ago
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1 | |
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2 | /*************************************************************************** |
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3 | module classe zwt_trazdf_imp.h - description |
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4 | ***************************************************************************/ |
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5 | // Mohamed Berrada |
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6 | // locean-ipsl.upmc, Paris, April 17, 2009 |
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7 | //=========================================================================== |
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8 | // methode forward |
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9 | forward (YREAL x1,YREAL x2,YREAL x3,YREAL x4) |
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10 | { /* 1 from zwisd_trazdf_imp 1 i j k t |
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11 | 2 from zwisd_trazdf_imp 2 i j k-1 t |
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12 | 3 from zwisd_trazdf_imp 3 i j k t |
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13 | 4 from zwt_trazdf_imp 1 i j k-1 t*/ |
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14 | /* YS1 */ |
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15 | /* 0 |
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16 | 0*/ |
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17 | if(Yt==TU) |
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18 | YS1=0.; |
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19 | else{ |
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20 | if(Yi==0 || Yi==NX-1 || Yj==0 || Yj==NY-1){ |
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21 | YS1=0.; |
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22 | } |
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23 | else{ |
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24 | if(Yk==0) |
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25 | YS1= x3; |
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26 | else |
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27 | YS1=x3-x1*x2/x4; |
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28 | } |
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29 | } |
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30 | // |
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31 | } |
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32 | |
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33 | //=========================================================================== |
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34 | // methode backward |
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35 | |
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36 | backward (YREAL x1,YREAL x2,YREAL x3,YREAL x4) |
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37 | { |
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38 | YJ1I1=0.; YJ1I2=0.; YJ1I3=0.; YJ1I4=0.; |
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39 | if(Yt!=TU){ |
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40 | if(Yi==0 || Yi==NX-1 || Yj==0 || Yj==NY-1){ |
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41 | YJ1I1=0.; YJ1I2=0.; YJ1I3=0.; YJ1I4=0.; |
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42 | } |
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43 | else{ |
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44 | if(Yk==0) |
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45 | YJ1I3=1.; |
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46 | else{ |
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47 | YJ1I1 = -x2/x4; |
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48 | YJ1I2 = -x1/x4; |
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49 | YJ1I3 = 1.; |
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50 | YJ1I4= x1*x2/x4/x4; |
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51 | } |
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52 | } |
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53 | } |
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54 | // |
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55 | } |
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56 | |
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57 | //=========================================================================== |
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58 | //********************* FIN DU MODULE zwt_trazdf_imp *********************** |
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59 | |
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