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/* Copyright (c) 1993 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* Ce programme calcule les directions et les energies des rayons lumineux |
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resultant du passage d'un rayon au travers d'un vitrage prismatique |
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#include "standard.h" |
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#include "ray.h" |
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#include "calcomp.h" |
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#include "func.h" |
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|
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#ifdef NOSTRUCTASSIGN |
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static double err = "No structure assignment!"; /* generate compiler error */ |
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#endif |
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static double |
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Sqrt(x) |
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double x; |
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Sqrt( |
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double x |
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) |
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{ |
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if (x < 0.) |
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return(0.); |
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return(sqrt(x)); |
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} |
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#define sqrt(x) Sqrt(x) |
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/* definitions de macros utiles */ |
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static double fact_ref[4]={1.0,1.0,1.0,1.0}; /* facteurs de reflexion */ |
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static double tolerance; /* degre de tol. pour les amalgames */ |
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static double tolsource; /* degre de tol. pour les sources */ |
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static double Nx; |
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static int bidon; |
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#define BADVAL (-10) |
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static long prismclock = -1; |
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static int nbrayons; /* indice des rayons sortants */ |
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static TRAYON *ray; /* tableau des rayons sortants */ |
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static TRAYON *raytemp; /* variable temporaire */ |
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static TRAYON rtemp; /* variable temporaire */ |
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extern double argument(); |
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extern double varvalue(); |
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extern double funvalue(); |
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extern long eclock; |
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|
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static void prepare_matrices(void); |
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static void tfm(MAT4 mat, FVECT v_old, FVECT v_new); |
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static double prob_alpha_beta(TRAYON r); |
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static double prob_beta_alpha(TRAYON r); |
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static double prob_gamma_alpha(TRAYON r); |
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static void v_par(FVECT v, FVECT v_out); |
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static void v_per(FVECT v, FVECT v_out); |
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static TRAYON transalphabeta(TRAYON r_initial); |
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static TRAYON transbetaalpha(TRAYON r_initial); |
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static TRAYON transalphagamma(TRAYON r_initial); |
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static TRAYON transgammaalpha(TRAYON r_initial); |
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static int compare(TRAYON r1, TRAYON r2, double marge); |
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static void sortie(TRAYON r); |
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static void trigo(TRAYON r); |
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static TRAYON reflexion(TRAYON r_incident); |
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static TRAYON transmission(TRAYON r_incident); |
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static void trace_rayon(TRAYON r_incident); |
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static void inverser(TRAYON *r1, TRAYON *r2); |
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static void setprism(void); |
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static double l_get_val(char *nm); |
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|
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/* Definition des routines */ |
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#define term(a,b) a/sqrt(a*a+b*b) |
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static |
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prepare_matrices() |
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#define term(a,b) a/Sqrt(a*a+b*b) |
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static void |
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prepare_matrices(void) |
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{ |
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/* preparation des matrices de changement de bases */ |
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/* preparation des matrices de changement de bases */ |
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|
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matb[0][0] = matbt[0][0] = matb[1][1] = matbt[1][1] = term(prism.a,prism.d); |
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matb[1][0] = matbt[0][1] = term(-prism.d,prism.a); |
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matb[0][1] = matbt[1][0] = term(prism.d,prism.a); |
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matc[0][0] = matct[0][0] = matc[1][1] = matct[1][1] = term(prism.b,prism.d); |
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matc[1][0] = matct[0][1] = term(prism.d,prism.b); |
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matc[0][1] = matct[1][0] = term(-prism.d,prism.b); |
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return; |
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matb[0][0] = matbt[0][0] = matb[1][1] = matbt[1][1] = term(prism.a,prism.d); |
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matb[1][0] = matbt[0][1] = term(-prism.d,prism.a); |
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matb[0][1] = matbt[1][0] = term(prism.d,prism.a); |
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matc[0][0] = matct[0][0] = matc[1][1] = matct[1][1] = term(prism.b,prism.d); |
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matc[1][0] = matct[0][1] = term(prism.d,prism.b); |
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matc[0][1] = matct[1][0] = term(-prism.d,prism.b); |
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return; |
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} |
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#undef term |
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static |
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tfm(mat,v_old,v_new) |
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MAT4 mat; |
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FVECT v_old,v_new; |
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static void |
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tfm( |
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MAT4 mat, |
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FVECT v_old, |
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FVECT v_new |
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) |
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{ |
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/* passage d'un repere old au repere new par la matrice mat */ |
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FVECT v_temp; |
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/* passage d'un repere old au repere new par la matrice mat */ |
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FVECT v_temp; |
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|
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multv3(v_temp,v_old,mat); |
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normalize(v_temp); |
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VCOPY(v_new,v_temp); |
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return; |
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multv3(v_temp,v_old,mat); |
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normalize(v_temp); |
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VCOPY(v_new,v_temp); |
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return; |
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} |
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#define A prism.a |
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static double |
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prob_alpha_beta(r) |
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TRAYON r; |
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prob_alpha_beta( |
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TRAYON r |
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) |
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{ |
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/* calcul de la probabilite de passage de alpha a beta */ |
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double prob,test; |
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/* calcul de la probabilite de passage de alpha a beta */ |
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double prob,test; |
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|
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if ( X(r) != 0. ) |
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if ( X(r) != 0. ) |
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{ |
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test = Y(r)/X(r); |
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if ( test > B/D ) prob = 1.; |
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else if ( test >= -A/D ) prob = (A+test*D)/(A+B); |
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else prob = 0.; |
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test = Y(r)/X(r); |
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if ( test > B/D ) prob = 1.; |
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else if ( test >= -A/D ) prob = (A+test*D)/(A+B); |
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else prob = 0.; |
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} |
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else prob = 0.; |
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return prob; |
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else prob = 0.; |
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return prob; |
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} |
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|
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static double |
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prob_beta_alpha(r) |
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TRAYON r; |
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prob_beta_alpha( |
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TRAYON r |
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) |
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{ |
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/* calcul de la probabilite de passage de beta a aplha */ |
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double prob,test; |
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/* calcul de la probabilite de passage de beta a aplha */ |
187 |
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double prob,test; |
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|
189 |
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if ( X(r) != 0. ) |
189 |
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if ( X(r) != 0. ) |
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{ |
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test = Y(r)/X(r); |
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if ( test > B/D ) prob = (A+B)/(A+test*D); |
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else if ( test >= -A/D ) prob = 1.; |
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else prob = 0.; |
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test = Y(r)/X(r); |
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if ( test > B/D ) prob = (A+B)/(A+test*D); |
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else if ( test >= -A/D ) prob = 1.; |
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else prob = 0.; |
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} |
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else prob = 0.; |
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return prob; |
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else prob = 0.; |
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return prob; |
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} |
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|
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double prob_gamma_alpha(r) |
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TRAYON r; |
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static double |
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prob_gamma_alpha( |
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TRAYON r |
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) |
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{ |
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/* calcul de la probabilite de passage de gamma a alpha */ |
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double prob,test; |
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/* calcul de la probabilite de passage de gamma a alpha */ |
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double prob,test; |
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|
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if ( X(r) != 0. ) |
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if ( X(r) != 0. ) |
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{ |
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test = Y(r)/X(r); |
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if ( test > B/D ) prob = 0.; |
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else if ( test >= -A/D ) prob = 1.; |
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else prob = (A+B)/(B-test*D); |
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test = Y(r)/X(r); |
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if ( test > B/D ) prob = 0.; |
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else if ( test >= -A/D ) prob = 1.; |
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else prob = (A+B)/(B-test*D); |
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} |
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else prob = 0.; |
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return prob; |
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else prob = 0.; |
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return prob; |
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} |
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#undef A |
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#undef D |
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static |
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v_par(v,v_out) |
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FVECT v,v_out; |
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static void |
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v_par( |
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FVECT v, |
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FVECT v_out |
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) |
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/* calcule le vecteur par au plan d'incidence lie a v */ |
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{ |
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FVECT v_temp; |
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double det; |
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FVECT v_temp; |
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double det; |
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|
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det = sqrt( (YY(v)*YY(v)+ZZ(v)*ZZ(v))*(YY(v)*YY(v)+ZZ(v)*ZZ(v))+ |
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(XX(v)*XX(v)*YY(v)*YY(v))+(XX(v)*XX(v)*ZZ(v)*ZZ(v)) ); |
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XX(v_temp) = (YY(v)*YY(v)+ZZ(v)*ZZ(v))/det; |
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< |
YY(v_temp) = -( XX(v)*YY(v) )/det; |
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< |
ZZ(v_temp) = -( XX(v)*ZZ(v) )/det; |
241 |
< |
VCOPY(v_out,v_temp); |
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< |
return; |
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> |
det = Sqrt( (YY(v)*YY(v)+ZZ(v)*ZZ(v))*(YY(v)*YY(v)+ZZ(v)*ZZ(v))+ |
237 |
> |
(XX(v)*XX(v)*YY(v)*YY(v))+(XX(v)*XX(v)*ZZ(v)*ZZ(v)) ); |
238 |
> |
XX(v_temp) = (YY(v)*YY(v)+ZZ(v)*ZZ(v))/det; |
239 |
> |
YY(v_temp) = -( XX(v)*YY(v) )/det; |
240 |
> |
ZZ(v_temp) = -( XX(v)*ZZ(v) )/det; |
241 |
> |
VCOPY(v_out,v_temp); |
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> |
return; |
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} |
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< |
static |
247 |
< |
v_per(v,v_out) |
248 |
< |
FVECT v,v_out; |
246 |
> |
static void |
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> |
v_per( |
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> |
FVECT v, |
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> |
FVECT v_out |
250 |
> |
) |
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/* calcule le vecteur perp au plan d'incidence lie a v */ |
252 |
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{ |
253 |
< |
FVECT v_temp; |
254 |
< |
double det; |
253 |
> |
FVECT v_temp; |
254 |
> |
double det; |
255 |
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|
256 |
< |
det = sqrt( (ZZ(v)*ZZ(v)+YY(v)*YY(v)) ); |
257 |
< |
XX(v_temp) = 0.; |
258 |
< |
YY(v_temp) = -ZZ(v)/det; |
259 |
< |
ZZ(v_temp) = YY(v)/det; |
260 |
< |
VCOPY(v_out,v_temp); |
261 |
< |
return; |
256 |
> |
det = Sqrt( (ZZ(v)*ZZ(v)+YY(v)*YY(v)) ); |
257 |
> |
XX(v_temp) = 0.; |
258 |
> |
YY(v_temp) = -ZZ(v)/det; |
259 |
> |
ZZ(v_temp) = YY(v)/det; |
260 |
> |
VCOPY(v_out,v_temp); |
261 |
> |
return; |
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} |
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static TRAYON |
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< |
transalphabeta(r_initial) |
266 |
> |
transalphabeta( |
267 |
> |
TRAYON r_initial |
268 |
> |
) |
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/* transforme le rayon r_initial de la base associee a alpha dans |
270 |
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la base associee a beta */ |
243 |
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TRAYON r_initial; |
271 |
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{ |
272 |
< |
TRAYON r_final; |
273 |
< |
FVECT vpar_temp1,vpar_temp2,vper_temp1,vper_temp2; |
272 |
> |
TRAYON r_final; |
273 |
> |
FVECT vpar_temp1,vpar_temp2,vper_temp1,vper_temp2; |
274 |
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|
275 |
< |
r_final = r_initial; |
276 |
< |
alpha_beta(r_initial.v,r_final.v); |
277 |
< |
if ((Y(r_initial) != 0. || Z(r_initial) != 0.)&&(Y(r_final) !=0. || Z(r_final)!= 0.)) |
278 |
< |
{ |
279 |
< |
v_par(r_initial.v,vpar_temp1); |
280 |
< |
alpha_beta(vpar_temp1,vpar_temp1); |
281 |
< |
v_per(r_initial.v,vper_temp1); |
282 |
< |
alpha_beta(vper_temp1,vper_temp1); |
283 |
< |
v_par(r_final.v,vpar_temp2); |
284 |
< |
v_per(r_final.v,vper_temp2); |
285 |
< |
r_final.ppar1 = (r_initial.ppar1*fdot(vpar_temp1,vpar_temp2))+ |
286 |
< |
(r_initial.pper1*fdot(vper_temp1,vpar_temp2)); |
287 |
< |
r_final.pper1 = (r_initial.ppar1*fdot(vpar_temp1,vper_temp2))+ |
288 |
< |
(r_initial.pper1*fdot(vper_temp1,vper_temp2)); |
289 |
< |
r_final.ppar2 = (r_initial.ppar2*fdot(vpar_temp1,vpar_temp2))+ |
290 |
< |
(r_initial.pper2*fdot(vper_temp1,vpar_temp2)); |
291 |
< |
r_final.pper2 = (r_initial.ppar2*fdot(vpar_temp1,vper_temp2))+ |
292 |
< |
(r_initial.pper2*fdot(vper_temp1,vper_temp2)); |
293 |
< |
} |
294 |
< |
return r_final; |
275 |
> |
r_final = r_initial; |
276 |
> |
alpha_beta(r_initial.v,r_final.v); |
277 |
> |
if ((Y(r_initial) != 0. || Z(r_initial) != 0.)&&(Y(r_final) !=0. || Z(r_final)!= 0.)) |
278 |
> |
{ |
279 |
> |
v_par(r_initial.v,vpar_temp1); |
280 |
> |
alpha_beta(vpar_temp1,vpar_temp1); |
281 |
> |
v_per(r_initial.v,vper_temp1); |
282 |
> |
alpha_beta(vper_temp1,vper_temp1); |
283 |
> |
v_par(r_final.v,vpar_temp2); |
284 |
> |
v_per(r_final.v,vper_temp2); |
285 |
> |
r_final.ppar1 = (r_initial.ppar1*fdot(vpar_temp1,vpar_temp2))+ |
286 |
> |
(r_initial.pper1*fdot(vper_temp1,vpar_temp2)); |
287 |
> |
r_final.pper1 = (r_initial.ppar1*fdot(vpar_temp1,vper_temp2))+ |
288 |
> |
(r_initial.pper1*fdot(vper_temp1,vper_temp2)); |
289 |
> |
r_final.ppar2 = (r_initial.ppar2*fdot(vpar_temp1,vpar_temp2))+ |
290 |
> |
(r_initial.pper2*fdot(vper_temp1,vpar_temp2)); |
291 |
> |
r_final.pper2 = (r_initial.ppar2*fdot(vpar_temp1,vper_temp2))+ |
292 |
> |
(r_initial.pper2*fdot(vper_temp1,vper_temp2)); |
293 |
> |
} |
294 |
> |
return r_final; |
295 |
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} |
296 |
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|
297 |
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|
298 |
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static TRAYON |
299 |
< |
transbetaalpha(r_initial) |
300 |
< |
/* transforme le rayon r_initial de la base associee a beta dans |
301 |
< |
la base associee a alpha */ |
275 |
< |
TRAYON r_initial; |
299 |
> |
transbetaalpha( |
300 |
> |
TRAYON r_initial |
301 |
> |
) |
302 |
|
{ |
303 |
< |
TRAYON r_final; |
304 |
< |
FVECT vpar_temp1,vpar_temp2,vper_temp1,vper_temp2; |
303 |
> |
/* transforme le rayon r_initial de la base associee a beta dans |
304 |
> |
la base associee a alpha */ |
305 |
> |
TRAYON r_final; |
306 |
> |
FVECT vpar_temp1,vpar_temp2,vper_temp1,vper_temp2; |
307 |
|
|
308 |
< |
r_final = r_initial; |
309 |
< |
beta_alpha(r_initial.v,r_final.v); |
310 |
< |
if ((Y(r_initial) != 0. || Z(r_initial) != 0. )&&(Y(r_final) != 0. || Z(r_final)!= 0.)) |
311 |
< |
{ |
312 |
< |
v_par(r_initial.v,vpar_temp1); |
313 |
< |
beta_alpha(vpar_temp1,vpar_temp1); |
314 |
< |
v_per(r_initial.v,vper_temp1); |
315 |
< |
beta_alpha(vper_temp1,vper_temp1); |
316 |
< |
v_par(r_final.v,vpar_temp2); |
317 |
< |
v_per(r_final.v,vper_temp2); |
318 |
< |
r_final.ppar1 = (r_initial.ppar1*fdot(vpar_temp1,vpar_temp2))+ |
319 |
< |
(r_initial.pper1*fdot(vper_temp1,vpar_temp2)); |
320 |
< |
r_final.pper1 = (r_initial.ppar1*fdot(vpar_temp1,vper_temp2))+ |
321 |
< |
(r_initial.pper1*fdot(vper_temp1,vper_temp2)); |
322 |
< |
r_final.ppar2 = (r_initial.ppar2*fdot(vpar_temp1,vpar_temp2))+ |
323 |
< |
(r_initial.pper2*fdot(vper_temp1,vpar_temp2)); |
324 |
< |
r_final.pper2 = (r_initial.ppar2*fdot(vpar_temp1,vper_temp2))+ |
325 |
< |
(r_initial.pper2*fdot(vper_temp1,vper_temp2)); |
308 |
> |
r_final = r_initial; |
309 |
> |
beta_alpha(r_initial.v,r_final.v); |
310 |
> |
if ((Y(r_initial) != 0. || Z(r_initial) != 0. )&&(Y(r_final) != 0. || Z(r_final)!= 0.)) |
311 |
> |
{ |
312 |
> |
v_par(r_initial.v,vpar_temp1); |
313 |
> |
beta_alpha(vpar_temp1,vpar_temp1); |
314 |
> |
v_per(r_initial.v,vper_temp1); |
315 |
> |
beta_alpha(vper_temp1,vper_temp1); |
316 |
> |
v_par(r_final.v,vpar_temp2); |
317 |
> |
v_per(r_final.v,vper_temp2); |
318 |
> |
r_final.ppar1 = (r_initial.ppar1*fdot(vpar_temp1,vpar_temp2))+ |
319 |
> |
(r_initial.pper1*fdot(vper_temp1,vpar_temp2)); |
320 |
> |
r_final.pper1 = (r_initial.ppar1*fdot(vpar_temp1,vper_temp2))+ |
321 |
> |
(r_initial.pper1*fdot(vper_temp1,vper_temp2)); |
322 |
> |
r_final.ppar2 = (r_initial.ppar2*fdot(vpar_temp1,vpar_temp2))+ |
323 |
> |
(r_initial.pper2*fdot(vper_temp1,vpar_temp2)); |
324 |
> |
r_final.pper2 = (r_initial.ppar2*fdot(vpar_temp1,vper_temp2))+ |
325 |
> |
(r_initial.pper2*fdot(vper_temp1,vper_temp2)); |
326 |
|
|
327 |
< |
} |
328 |
< |
return r_final; |
327 |
> |
} |
328 |
> |
return r_final; |
329 |
|
} |
330 |
|
|
331 |
|
|
332 |
|
static TRAYON |
333 |
< |
transalphagamma(r_initial) |
333 |
> |
transalphagamma( |
334 |
> |
TRAYON r_initial |
335 |
> |
) |
336 |
|
/* transforme le rayon r_initial de la base associee a alpha dans |
337 |
|
la base associee a gamma */ |
308 |
– |
TRAYON r_initial; |
338 |
|
{ |
339 |
< |
TRAYON r_final; |
340 |
< |
FVECT vpar_temp1,vpar_temp2,vper_temp1,vper_temp2; |
339 |
> |
TRAYON r_final; |
340 |
> |
FVECT vpar_temp1,vpar_temp2,vper_temp1,vper_temp2; |
341 |
|
|
342 |
< |
r_final = r_initial; |
343 |
< |
alpha_gamma(r_initial.v,r_final.v); |
344 |
< |
if (( Y(r_initial) != 0. || Z(r_initial) != 0. )&&(Y(r_final)!= 0. || Z(r_final) !=0.)) |
345 |
< |
{ |
346 |
< |
v_par(r_initial.v,vpar_temp1); |
347 |
< |
alpha_gamma(vpar_temp1,vpar_temp1); |
348 |
< |
v_per(r_initial.v,vper_temp1); |
349 |
< |
alpha_gamma(vper_temp1,vper_temp1); |
350 |
< |
v_par(r_final.v,vpar_temp2); |
351 |
< |
v_per(r_final.v,vper_temp2); |
352 |
< |
r_final.ppar1 = (r_initial.ppar1*fdot(vpar_temp1,vpar_temp2))+ |
353 |
< |
(r_initial.pper1*fdot(vper_temp1,vpar_temp2)); |
354 |
< |
r_final.pper1 = (r_initial.ppar1*fdot(vpar_temp1,vper_temp2))+ |
355 |
< |
(r_initial.pper1*fdot(vper_temp1,vper_temp2)); |
356 |
< |
r_final.ppar2 = (r_initial.ppar2*fdot(vpar_temp1,vpar_temp2))+ |
357 |
< |
(r_initial.pper2*fdot(vper_temp1,vpar_temp2)); |
358 |
< |
r_final.pper2 = (r_initial.ppar2*fdot(vpar_temp1,vper_temp2))+ |
359 |
< |
(r_initial.pper2*fdot(vper_temp1,vper_temp2)); |
342 |
> |
r_final = r_initial; |
343 |
> |
alpha_gamma(r_initial.v,r_final.v); |
344 |
> |
if (( Y(r_initial) != 0. || Z(r_initial) != 0. )&&(Y(r_final)!= 0. || Z(r_final) !=0.)) |
345 |
> |
{ |
346 |
> |
v_par(r_initial.v,vpar_temp1); |
347 |
> |
alpha_gamma(vpar_temp1,vpar_temp1); |
348 |
> |
v_per(r_initial.v,vper_temp1); |
349 |
> |
alpha_gamma(vper_temp1,vper_temp1); |
350 |
> |
v_par(r_final.v,vpar_temp2); |
351 |
> |
v_per(r_final.v,vper_temp2); |
352 |
> |
r_final.ppar1 = (r_initial.ppar1*fdot(vpar_temp1,vpar_temp2))+ |
353 |
> |
(r_initial.pper1*fdot(vper_temp1,vpar_temp2)); |
354 |
> |
r_final.pper1 = (r_initial.ppar1*fdot(vpar_temp1,vper_temp2))+ |
355 |
> |
(r_initial.pper1*fdot(vper_temp1,vper_temp2)); |
356 |
> |
r_final.ppar2 = (r_initial.ppar2*fdot(vpar_temp1,vpar_temp2))+ |
357 |
> |
(r_initial.pper2*fdot(vper_temp1,vpar_temp2)); |
358 |
> |
r_final.pper2 = (r_initial.ppar2*fdot(vpar_temp1,vper_temp2))+ |
359 |
> |
(r_initial.pper2*fdot(vper_temp1,vper_temp2)); |
360 |
|
|
361 |
< |
} |
362 |
< |
return r_final; |
361 |
> |
} |
362 |
> |
return r_final; |
363 |
|
} |
364 |
|
|
365 |
|
|
366 |
|
static TRAYON |
367 |
< |
transgammaalpha(r_initial) |
367 |
> |
transgammaalpha( |
368 |
> |
TRAYON r_initial |
369 |
> |
) |
370 |
|
/* transforme le rayon r_initial de la base associee a gamma dans |
371 |
|
la base associee a alpha */ |
341 |
– |
TRAYON r_initial; |
372 |
|
{ |
373 |
< |
TRAYON r_final; |
374 |
< |
FVECT vpar_temp1,vpar_temp2,vper_temp1,vper_temp2; |
373 |
> |
TRAYON r_final; |
374 |
> |
FVECT vpar_temp1,vpar_temp2,vper_temp1,vper_temp2; |
375 |
|
|
376 |
< |
r_final = r_initial; |
377 |
< |
gamma_alpha(r_initial.v,r_final.v); |
378 |
< |
if (( Y(r_initial) != 0. || Z(r_initial) != 0. )&&(Y(r_final) !=0. || Z(r_final) != 0.)) |
379 |
< |
{ |
380 |
< |
v_par(r_initial.v,vpar_temp1); |
381 |
< |
gamma_alpha(vpar_temp1,vpar_temp1); |
382 |
< |
v_per(r_initial.v,vper_temp1); |
383 |
< |
gamma_alpha(vper_temp1,vper_temp1); |
384 |
< |
v_par(r_final.v,vpar_temp2); |
385 |
< |
v_per(r_final.v,vper_temp2); |
386 |
< |
r_final.ppar1 = (r_initial.ppar1*fdot(vpar_temp1,vpar_temp2))+ |
387 |
< |
(r_initial.pper1*fdot(vper_temp1,vpar_temp2)); |
388 |
< |
r_final.pper1 = (r_initial.ppar1*fdot(vpar_temp1,vper_temp2))+ |
389 |
< |
(r_initial.pper1*fdot(vper_temp1,vper_temp2)); |
390 |
< |
r_final.ppar2 = (r_initial.ppar2*fdot(vpar_temp1,vpar_temp2))+ |
391 |
< |
(r_initial.pper2*fdot(vper_temp1,vpar_temp2)); |
392 |
< |
r_final.pper2 = (r_initial.ppar2*fdot(vpar_temp1,vper_temp2))+ |
393 |
< |
(r_initial.pper2*fdot(vper_temp1,vper_temp2)); |
394 |
< |
} |
395 |
< |
return r_final; |
376 |
> |
r_final = r_initial; |
377 |
> |
gamma_alpha(r_initial.v,r_final.v); |
378 |
> |
if (( Y(r_initial) != 0. || Z(r_initial) != 0. )&&(Y(r_final) !=0. || Z(r_final) != 0.)) |
379 |
> |
{ |
380 |
> |
v_par(r_initial.v,vpar_temp1); |
381 |
> |
gamma_alpha(vpar_temp1,vpar_temp1); |
382 |
> |
v_per(r_initial.v,vper_temp1); |
383 |
> |
gamma_alpha(vper_temp1,vper_temp1); |
384 |
> |
v_par(r_final.v,vpar_temp2); |
385 |
> |
v_per(r_final.v,vper_temp2); |
386 |
> |
r_final.ppar1 = (r_initial.ppar1*fdot(vpar_temp1,vpar_temp2))+ |
387 |
> |
(r_initial.pper1*fdot(vper_temp1,vpar_temp2)); |
388 |
> |
r_final.pper1 = (r_initial.ppar1*fdot(vpar_temp1,vper_temp2))+ |
389 |
> |
(r_initial.pper1*fdot(vper_temp1,vper_temp2)); |
390 |
> |
r_final.ppar2 = (r_initial.ppar2*fdot(vpar_temp1,vpar_temp2))+ |
391 |
> |
(r_initial.pper2*fdot(vper_temp1,vpar_temp2)); |
392 |
> |
r_final.pper2 = (r_initial.ppar2*fdot(vpar_temp1,vper_temp2))+ |
393 |
> |
(r_initial.pper2*fdot(vper_temp1,vper_temp2)); |
394 |
> |
} |
395 |
> |
return r_final; |
396 |
|
} |
397 |
|
|
398 |
|
|
399 |
|
|
400 |
< |
|
401 |
< |
static |
402 |
< |
sortie(r) |
403 |
< |
TRAYON r; |
400 |
> |
static int |
401 |
> |
compare( |
402 |
> |
TRAYON r1, |
403 |
> |
TRAYON r2, |
404 |
> |
double marge |
405 |
> |
) |
406 |
|
{ |
407 |
< |
int i = 0; |
376 |
< |
int egalite = 0; |
407 |
> |
double arctg1, arctg2; |
408 |
|
|
409 |
+ |
arctg1 = atan2(Y(r1),X(r1)); |
410 |
+ |
arctg2 = atan2(Y(r2),X(r2)); |
411 |
+ |
if ((arctg1 - marge <= arctg2) && (arctg1 + marge >= arctg2)) return 1; |
412 |
+ |
else return 0; |
413 |
+ |
} |
414 |
|
|
415 |
< |
if(r.e > seuil) |
415 |
> |
|
416 |
> |
|
417 |
> |
|
418 |
> |
static void |
419 |
> |
sortie( |
420 |
> |
TRAYON r |
421 |
> |
) |
422 |
|
{ |
423 |
< |
while (i < nbrayons && egalite == 0) |
424 |
< |
{ |
425 |
< |
raytemp = &ray[i]; |
426 |
< |
egalite = compare(r,*raytemp,tolerance); |
427 |
< |
if (egalite) raytemp->e = raytemp->e + r.e; |
428 |
< |
else i = i + 1; |
429 |
< |
} |
430 |
< |
if (egalite == 0) |
431 |
< |
{ |
432 |
< |
if (nbrayons == 0) ray = (TRAYON *)calloc(1,sizeof(TRAYON)); |
433 |
< |
else ray = (TRAYON *)realloc(ray, (nbrayons+1)*(sizeof(TRAYON))); |
434 |
< |
if (ray == NULL) |
435 |
< |
error(SYSTEM, "out of memory in sortie\n"); |
436 |
< |
raytemp = &ray[nbrayons]; |
437 |
< |
raytemp->v[0] = X(r); |
438 |
< |
raytemp->v[1] = Y(r); |
439 |
< |
raytemp->v[2] = Z(r); |
440 |
< |
raytemp->e = r.e; |
441 |
< |
nbrayons++; |
442 |
< |
} |
443 |
< |
} |
444 |
< |
return; |
423 |
> |
int i = 0; |
424 |
> |
int egalite = 0; |
425 |
> |
|
426 |
> |
|
427 |
> |
if(r.e > seuil) |
428 |
> |
{ |
429 |
> |
while (i < nbrayons && egalite == 0) |
430 |
> |
{ |
431 |
> |
raytemp = &ray[i]; |
432 |
> |
egalite = compare(r,*raytemp,tolerance); |
433 |
> |
if (egalite) raytemp->e = raytemp->e + r.e; |
434 |
> |
else i = i + 1; |
435 |
> |
} |
436 |
> |
if (egalite == 0) |
437 |
> |
{ |
438 |
> |
if (nbrayons == 0) ray = (TRAYON *)calloc(1,sizeof(TRAYON)); |
439 |
> |
else ray = (TRAYON *)realloc((void *)ray, (nbrayons+1)*(sizeof(TRAYON))); |
440 |
> |
if (ray == NULL) |
441 |
> |
error(SYSTEM, "out of memory in sortie\n"); |
442 |
> |
raytemp = &ray[nbrayons]; |
443 |
> |
raytemp->v[0] = X(r); |
444 |
> |
raytemp->v[1] = Y(r); |
445 |
> |
raytemp->v[2] = Z(r); |
446 |
> |
raytemp->e = r.e; |
447 |
> |
nbrayons++; |
448 |
> |
} |
449 |
> |
} |
450 |
> |
return; |
451 |
|
} |
452 |
|
|
453 |
|
|
454 |
< |
static |
455 |
< |
trigo(r) |
456 |
< |
TRAYON r; |
454 |
> |
static void |
455 |
> |
trigo( |
456 |
> |
TRAYON r |
457 |
> |
) |
458 |
|
/* calcule les grandeurs trigonometriques relatives au rayon incident |
459 |
|
et le rapport entre les indices du milieu refracteur et incident */ |
460 |
|
{ |
461 |
< |
double det; |
462 |
< |
|
463 |
< |
det = sqrt(X(r)*X(r)+Y(r)*Y(r)+Z(r)*Z(r)); |
464 |
< |
sinus = sqrt(Y(r)*Y(r)+Z(r)*Z(r))/det; |
465 |
< |
cosinus = sqrt(X(r)*X(r))/det; |
466 |
< |
if (r.n == 1.) rapport = prism.np * prism.np; |
467 |
< |
else rapport = 1./(prism.np * prism.np); |
468 |
< |
return; |
461 |
> |
double det; |
462 |
> |
|
463 |
> |
det = Sqrt(X(r)*X(r)+Y(r)*Y(r)+Z(r)*Z(r)); |
464 |
> |
sinus = Sqrt(Y(r)*Y(r)+Z(r)*Z(r))/det; |
465 |
> |
cosinus = Sqrt(X(r)*X(r))/det; |
466 |
> |
if (r.n == 1.) rapport = prism.np * prism.np; |
467 |
> |
else rapport = 1./(prism.np * prism.np); |
468 |
> |
return; |
469 |
|
} |
470 |
|
|
471 |
|
|
472 |
|
static TRAYON |
473 |
< |
reflexion(r_incident) |
474 |
< |
TRAYON r_incident; |
473 |
> |
reflexion( |
474 |
> |
TRAYON r_incident |
475 |
> |
) |
476 |
|
{ |
477 |
|
/* calcul du rayon reflechi par une face */ |
478 |
|
TRAYON r_reflechi; |
482 |
|
X(r_reflechi) = -X(r_incident); |
483 |
|
Y(r_reflechi) = Y(r_incident); |
484 |
|
Z(r_reflechi) = Z(r_incident); |
485 |
< |
if(sinus > sqrt(rapport) || r_incident.dest == tot_ref) |
485 |
> |
if(sinus > Sqrt(rapport) || r_incident.dest == tot_ref) |
486 |
|
{ |
487 |
|
r_reflechi.ppar1 = r_incident.ppar1; |
488 |
|
r_reflechi.pper1 = r_incident.pper1; |
492 |
|
} |
493 |
|
else |
494 |
|
{ |
495 |
< |
r_reflechi.ppar1 = r_incident.ppar1*(rapport*cosinus-sqrt(rapport- |
496 |
< |
(sinus*sinus)))/(rapport*cosinus+sqrt(rapport-(sinus*sinus))); |
497 |
< |
r_reflechi.pper1 = r_incident.pper1*(cosinus-sqrt |
498 |
< |
(rapport-(sinus*sinus)))/(cosinus+sqrt(rapport-(sinus*sinus))); |
499 |
< |
r_reflechi.ppar2 = r_incident.ppar2*(rapport*cosinus-sqrt(rapport- |
500 |
< |
(sinus*sinus)))/(rapport*cosinus+sqrt(rapport-(sinus*sinus))); |
501 |
< |
r_reflechi.pper2 = r_incident.pper2*(cosinus-sqrt |
502 |
< |
(rapport-(sinus*sinus)))/(cosinus+sqrt(rapport-(sinus*sinus))); |
495 |
> |
r_reflechi.ppar1 = r_incident.ppar1*(rapport*cosinus-Sqrt(rapport- |
496 |
> |
(sinus*sinus)))/(rapport*cosinus+Sqrt(rapport-(sinus*sinus))); |
497 |
> |
r_reflechi.pper1 = r_incident.pper1*(cosinus-Sqrt |
498 |
> |
(rapport-(sinus*sinus)))/(cosinus+Sqrt(rapport-(sinus*sinus))); |
499 |
> |
r_reflechi.ppar2 = r_incident.ppar2*(rapport*cosinus-Sqrt(rapport- |
500 |
> |
(sinus*sinus)))/(rapport*cosinus+Sqrt(rapport-(sinus*sinus))); |
501 |
> |
r_reflechi.pper2 = r_incident.pper2*(cosinus-Sqrt |
502 |
> |
(rapport-(sinus*sinus)))/(cosinus+Sqrt(rapport-(sinus*sinus))); |
503 |
|
r_reflechi.e = r_incident.e *(((r_reflechi.ppar1*r_reflechi.ppar1+ |
504 |
|
r_reflechi.pper1*r_reflechi.pper1)/(r_incident.ppar1*r_incident.ppar1+ |
505 |
|
r_incident.pper1*r_incident.pper1))+((r_reflechi.ppar2*r_reflechi.ppar2 |
513 |
|
|
514 |
|
|
515 |
|
static TRAYON |
516 |
< |
transmission(r_incident) |
517 |
< |
TRAYON r_incident; |
516 |
> |
transmission( |
517 |
> |
TRAYON r_incident |
518 |
> |
) |
519 |
|
{ |
520 |
|
/* calcul du rayon refracte par une face */ |
521 |
|
TRAYON r_transmis; |
522 |
|
|
523 |
|
r_transmis = r_incident; |
524 |
|
trigo(r_incident); |
525 |
< |
if (sinus <= sqrt(rapport) && r_incident.dest != tot_ref) |
525 |
> |
if (sinus <= Sqrt(rapport) && r_incident.dest != tot_ref) |
526 |
|
{ |
527 |
|
X(r_transmis) = (X(r_incident)/(fabs(X(r_incident))))* |
528 |
< |
(sqrt(1.-(Y(r_incident)*Y(r_incident)+Z(r_incident)* |
528 |
> |
(Sqrt(1.-(Y(r_incident)*Y(r_incident)+Z(r_incident)* |
529 |
|
Z(r_incident))/rapport)); |
530 |
< |
Y(r_transmis) = Y(r_incident)/sqrt(rapport); |
531 |
< |
Z(r_transmis) = Z(r_incident)/sqrt(rapport); |
532 |
< |
r_transmis.ppar1 = r_incident.ppar1*2.*sqrt(rapport)*cosinus/ |
533 |
< |
(sqrt(rapport-sinus*sinus)+rapport*cosinus); |
534 |
< |
r_transmis.pper1 = r_incident.pper1*2.*cosinus/(cosinus+sqrt(rapport |
530 |
> |
Y(r_transmis) = Y(r_incident)/Sqrt(rapport); |
531 |
> |
Z(r_transmis) = Z(r_incident)/Sqrt(rapport); |
532 |
> |
r_transmis.ppar1 = r_incident.ppar1*2.*Sqrt(rapport)*cosinus/ |
533 |
> |
(Sqrt(rapport-sinus*sinus)+rapport*cosinus); |
534 |
> |
r_transmis.pper1 = r_incident.pper1*2.*cosinus/(cosinus+Sqrt(rapport |
535 |
|
- sinus*sinus)); |
536 |
< |
r_transmis.ppar2 = r_incident.ppar2*2.*sqrt(rapport)*cosinus/ |
537 |
< |
(sqrt(rapport-sinus*sinus)+rapport*cosinus); |
538 |
< |
r_transmis.pper2 = r_incident.pper2*2.*cosinus/(cosinus+sqrt(rapport |
536 |
> |
r_transmis.ppar2 = r_incident.ppar2*2.*Sqrt(rapport)*cosinus/ |
537 |
> |
(Sqrt(rapport-sinus*sinus)+rapport*cosinus); |
538 |
> |
r_transmis.pper2 = r_incident.pper2*2.*cosinus/(cosinus+Sqrt(rapport |
539 |
|
- sinus*sinus)); |
540 |
< |
r_transmis.e = (r_incident.e/2)*(sqrt(rapport-sinus*sinus)/cosinus) |
540 |
> |
r_transmis.e = (r_incident.e/2)*(Sqrt(rapport-sinus*sinus)/cosinus) |
541 |
|
*(((r_transmis.ppar1*r_transmis.ppar1+r_transmis.pper1* |
542 |
|
r_transmis.pper1) |
543 |
|
/(r_incident.ppar1*r_incident.ppar1+r_incident.pper1* |
557 |
|
|
558 |
|
|
559 |
|
|
509 |
– |
static int |
510 |
– |
compare(r1,r2,marge) |
511 |
– |
TRAYON r1, r2; |
512 |
– |
double marge; |
513 |
– |
|
514 |
– |
{ |
515 |
– |
double arctg1, arctg2; |
516 |
– |
|
517 |
– |
arctg1 = atan2(Y(r1),X(r1)); |
518 |
– |
arctg2 = atan2(Y(r2),X(r2)); |
519 |
– |
if ((arctg1 - marge <= arctg2) && (arctg1 + marge >= arctg2)) return 1; |
520 |
– |
else return 0; |
521 |
– |
} |
522 |
– |
|
523 |
– |
|
524 |
– |
|
560 |
|
#define ensuite(rayon,prob_passage,destination) r_suite = rayon; \ |
561 |
|
r_suite.e = prob_passage(rayon)*rayon.e; \ |
562 |
|
r_suite.dest = destination; \ |
563 |
|
if ( r_suite.e > seuil ) trace_rayon(r_suite) |
564 |
|
|
565 |
|
|
566 |
< |
static |
567 |
< |
trace_rayon(r_incident) |
568 |
< |
TRAYON r_incident; |
566 |
> |
static void |
567 |
> |
trace_rayon( |
568 |
> |
TRAYON r_incident |
569 |
> |
) |
570 |
|
{ |
571 |
|
/* trace le rayon donne */ |
572 |
|
TRAYON r_reflechi,r_transmis,r_suite; |
656 |
|
|
657 |
|
#undef ensuite |
658 |
|
|
659 |
< |
static |
660 |
< |
inverser(r1,r2) |
661 |
< |
TRAYON *r1,*r2; |
662 |
< |
|
659 |
> |
static void |
660 |
> |
inverser( |
661 |
> |
TRAYON *r1, |
662 |
> |
TRAYON *r2 |
663 |
> |
) |
664 |
|
{ |
665 |
< |
TRAYON temp; |
666 |
< |
temp = *r1; |
667 |
< |
*r1 = *r2; |
668 |
< |
*r2 = temp; |
665 |
> |
TRAYON temp; |
666 |
> |
temp = *r1; |
667 |
> |
*r1 = *r2; |
668 |
> |
*r2 = temp; |
669 |
|
} |
670 |
|
|
671 |
|
|
672 |
|
|
673 |
< |
static double |
674 |
< |
l_get_val() |
638 |
< |
|
673 |
> |
static void |
674 |
> |
setprism(void) |
675 |
|
{ |
640 |
– |
int val, dir, i, trouve, curseur; |
641 |
– |
int nb; |
642 |
– |
double valeur; |
643 |
– |
TRAYON *rayt, raynull; |
644 |
– |
|
645 |
– |
if (prismclock < 0 || prismclock < eclock) setprism(); |
646 |
– |
if (bidon == BADVAL) { |
647 |
– |
errno = EDOM; |
648 |
– |
return(0.0); |
649 |
– |
} |
650 |
– |
val = (int)(argument(1) + .5); |
651 |
– |
dir = (int)(argument(2) + .5); |
652 |
– |
nb = (int)(argument(3) + .5); |
653 |
– |
X(raynull) = bidon; |
654 |
– |
Y(raynull) = Z(raynull) = 0.; |
655 |
– |
raynull.e = 0.; |
656 |
– |
trouve = curseur = 0; |
657 |
– |
if ( !nosource && nb==2 ) nb=1; /* on est en train de tracer la source |
658 |
– |
a partir de sa seconde source virtuelle */ |
659 |
– |
#ifdef DEBUG |
660 |
– |
fprintf(stderr, " On considere le rayon no: %d\n", nb); |
661 |
– |
#endif |
662 |
– |
for(i=0; i < nbrayons &&!trouve; i++) |
663 |
– |
{ |
664 |
– |
if(ray[i].v[0] * dir * sens >= 0.) curseur ++; |
665 |
– |
if(curseur == nb) |
666 |
– |
{ |
667 |
– |
rayt = &ray[i]; |
668 |
– |
trouve = 1; |
669 |
– |
} |
670 |
– |
} |
671 |
– |
if(!trouve) rayt = &raynull; |
672 |
– |
switch(val) { |
673 |
– |
case 0 : valeur = rayt->v[0]; |
674 |
– |
break; |
675 |
– |
case 1 : valeur = rayt->v[1]; |
676 |
– |
break; |
677 |
– |
case 2 : valeur = rayt->v[2]; |
678 |
– |
break; |
679 |
– |
case 3 : valeur = rayt->e; |
680 |
– |
break; |
681 |
– |
default : errno = EDOM; return(0.0); |
682 |
– |
} |
683 |
– |
#ifdef DEBUG |
684 |
– |
fprintf(stderr, "get_val( %i, %i, %i) = %lf\n",val,dir,nb,valeur); |
685 |
– |
#endif |
686 |
– |
return valeur; |
687 |
– |
} |
688 |
– |
|
689 |
– |
|
690 |
– |
static |
691 |
– |
setprism() |
692 |
– |
|
693 |
– |
{ |
676 |
|
double d; |
677 |
|
TRAYON r_initial,rsource; |
678 |
< |
int i,j,k; |
678 |
> |
int i,j; |
679 |
|
|
680 |
|
prismclock = eclock; |
681 |
|
r_initial.ppar1 = r_initial.pper2 = 1.; |
767 |
|
return; |
768 |
|
} |
769 |
|
|
770 |
< |
setprismfuncs() |
770 |
> |
|
771 |
> |
static double |
772 |
> |
l_get_val( |
773 |
> |
char *nm |
774 |
> |
) |
775 |
> |
{ |
776 |
> |
int val, dir, i, trouve, curseur; |
777 |
> |
int nb; |
778 |
> |
double valeur; |
779 |
> |
TRAYON *rayt=NULL, raynull; |
780 |
> |
|
781 |
> |
if (prismclock < 0 || prismclock < eclock) setprism(); |
782 |
> |
if (bidon == BADVAL) { |
783 |
> |
errno = EDOM; |
784 |
> |
return(0.0); |
785 |
> |
} |
786 |
> |
val = (int)(argument(1) + .5); |
787 |
> |
dir = (int)(argument(2) + .5); |
788 |
> |
nb = (int)(argument(3) + .5); |
789 |
> |
X(raynull) = bidon; |
790 |
> |
Y(raynull) = Z(raynull) = 0.; |
791 |
> |
raynull.e = 0.; |
792 |
> |
trouve = curseur = 0; |
793 |
> |
if ( !nosource && nb==2 ) nb=1; /* on est en train de tracer la source |
794 |
> |
a partir de sa seconde source virtuelle */ |
795 |
> |
#ifdef DEBUG |
796 |
> |
fprintf(stderr, " On considere le rayon no: %d\n", nb); |
797 |
> |
#endif |
798 |
> |
for(i=0; i < nbrayons &&!trouve; i++) |
799 |
> |
{ |
800 |
> |
if(ray[i].v[0] * dir * sens >= 0.) curseur ++; |
801 |
> |
if(curseur == nb) |
802 |
> |
{ |
803 |
> |
rayt = &ray[i]; |
804 |
> |
trouve = 1; |
805 |
> |
} |
806 |
> |
} |
807 |
> |
if(!trouve) rayt = &raynull; |
808 |
> |
switch(val) { |
809 |
> |
case 0 : valeur = rayt->v[0]; |
810 |
> |
break; |
811 |
> |
case 1 : valeur = rayt->v[1]; |
812 |
> |
break; |
813 |
> |
case 2 : valeur = rayt->v[2]; |
814 |
> |
break; |
815 |
> |
case 3 : valeur = rayt->e; |
816 |
> |
break; |
817 |
> |
default : errno = EDOM; return(0.0); |
818 |
> |
} |
819 |
> |
#ifdef DEBUG |
820 |
> |
fprintf(stderr, "get_val( %i, %i, %i) = %lf\n",val,dir,nb,valeur); |
821 |
> |
#endif |
822 |
> |
return valeur; |
823 |
> |
} |
824 |
> |
|
825 |
> |
|
826 |
> |
extern void |
827 |
> |
setprismfuncs(void) /* declared in func.h */ |
828 |
|
{ |
829 |
|
funset("fprism_val", 3, '=', l_get_val); |
830 |
|
} |