1 | /*************************************************************************** |
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2 | module classe solsor_gc1_x_r.h - description |
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3 | ***************************************************************************/ |
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4 | // Julien Brajard |
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5 | // locean-ipsl.upmc, Paris, April 25, 2011 |
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6 | //=========================================================================== |
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7 | // methode forward |
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8 | forward (YREAL x1, YREAL x2, YREAL x3, YREAL x4, YREAL x5, YREAL x6, YREAL x7, YREAL x8, YREAL x9) |
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9 | { |
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10 | /* 1 from gcx_dynspg_flt 1 i j t |
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11 | 2 from gcb_dynspg_flt 1 i j t |
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12 | 3 from solsor_gc1_x_r 1 i j-1 k t |
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13 | 4 from solsor_gc1_x_r 1 i-1 j k t |
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14 | 5 from solsor_gc1_x_r 1 i+1 j k t |
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15 | 6 from solsor_gc1_x_r 1 i j+1 k t |
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16 | 7 from solsor_gc1_x_r 1 i j k t |
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17 | 8 from solsor_flag 2 NX NY k t |
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18 | 9 from solsor_gc1_x_r 2 i j k-1 t |
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19 | } |
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20 | output 1 : gcx |
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21 | oupput 2 : gcr (pour l'arrêt des itérations) |
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22 | |
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23 | */ |
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24 | if(Yt==TU) |
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25 | { |
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26 | YS1=0; |
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27 | YS2=x9; |
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28 | } |
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29 | else { |
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30 | int t; |
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31 | if(Yt==TU+1 && neuler==0) |
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32 | t=0; |
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33 | else |
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34 | t=1; |
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35 | |
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36 | if (x8==1) |
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37 | { |
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38 | YS1=x7; |
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39 | YS2=x9; |
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40 | } |
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41 | else |
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42 | { |
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43 | if (Yk==0) { |
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44 | YS1=x7; |
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45 | YS2=x9; |
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46 | } //Yk=0; |
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47 | else { |
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48 | YREAL ztmp,zres; |
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49 | int ishift=(Yj-1)%2; |
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50 | if ((Yi+1)%2==ishift) { //! Guess black update |
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51 | ztmp = x2 |
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52 | - gcp(Yi,Yj,0,t) * x3 |
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53 | - gcp(Yi,Yj,1,t) * x4 |
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54 | - gcp(Yi,Yj,2,t) * x5 |
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55 | - gcp(Yi,Yj,3,t) * x6; |
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56 | // ! Estimate of the residual |
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57 | zres = ztmp - x7; |
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58 | YS2 = zres * gcdmat(Yi,Yj,t) * zres; |
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59 | // ! Guess update |
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60 | YS1 = sor * ztmp + (1.-sor) * x7; |
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61 | } |
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62 | else |
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63 | { |
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64 | YS2=x9; |
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65 | YS1=x7; |
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66 | } |
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67 | |
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68 | |
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69 | |
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70 | } // Yk>0 |
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71 | } //if x8==0 |
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72 | if (Yt==TU+1) |
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73 | printf("%d\t%d\t%d\t%e\t%e (2)\n",Yk,Yj,Yi,YS1,YS2); |
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74 | } //Yt>TU |
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75 | } |
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76 | |
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77 | //=========================================================================== |
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78 | // methode backward |
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79 | |
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80 | backward (YREAL x1, YREAL x2, YREAL x3, YREAL x4, YREAL x5, YREAL x6, YREAL x7, YREAL x8, YREAL x9) { |
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81 | } |
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