Révision 431
Ajouté par Hatim EL MAADI il y a presque 3 ans
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p->longitude=longitude(trame);
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}
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float calcul_distance(Position p_1, Position p_2)
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float calcule_distance(Position p_1, Position p_2)
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{
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float dist;
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dist=((2*3.14*6370)/360)*sqrt(pow((p_2.latitude-p_1.latitude),2)+pow((p_2.longitude-p_1.longitude),2));
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return dist;
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}
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}
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float calcule_vitesse(Position p_1, Position p_2)
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{
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float vit;
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vit=(calcule_distance(p_1,p_2)*3600);
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return vit;
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}
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/*Fonction ? modifier !!!!!*/
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void traitement(char * trame)
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{
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printf ("Erreur Test unitaire decode_trame.\n");
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exit(-1);
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}
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/*Test du calcul de la distance et de la vitesse pour un intervalle de 1s*/
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Position p_1, p_2, p_3;
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p_2.latitude=latitude("$GPGGA,141915.00,4545.0242,N,00306.6039,E,1,05,3.4,499.5,M,,M,,*75");
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p_2.longitude=longitude("$GPGGA,141915.00,4545.0242,N,00306.6039,E,1,05,3.4,499.5,M,,M,,*75");
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p_1.latitude=latitude("$GPGGA,141917.00,4545.0726,N,00306.6039,E,1,05,3.4,499.6,M,,M,,*73");
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p_1.longitude=longitude("$GPGGA,141917.00,4545.0726,N,00306.6039,E,1,05,3.4,499.6,M,,M,,*73");
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printf("distance: %f\n",calcule_distance(p_1,p_2));
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printf("vitesse: %f\n",calcule_vitesse(p_1,p_2));
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/*Test pour calculer la distance entre deux villes*/
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/*Paris*/
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p_1.latitude = 48.8588897;
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p_1.longitude = 2.320041;
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/*Lyon*/
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p_2.latitude = 45.7578137;
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p_2.longitude = 4.8320114;
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/*Toulouse*/
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p_3.latitude = 43.7520597;
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p_3.longitude = 1.2877314;
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printf("distance Paris-Lyon : %f\n",calcule_distance(p_1,p_2));
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printf("distance Lyon-Toulouse : %f\n",calcule_distance(p_2,p_3));
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}
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/* Ne pas modifier cette fonction*/
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Formats disponibles : Unified diff
Implantation de la fonction calcule_vitesse avec tests, et tests pour la calcule_distance aussi.