/**
* int main()
*
* Descricao:
* Funcao principal do programa que contem um loop (do-while) contendo a chamada
* das funcoes que calculam as variaveis utilizadas pelo algoritmo Gauss-Legendre
* a cada iteracao.
*
* Parametros de entrada:
* -
*
* Parametros de retorno:
* -
*
*/
int main(){
/* Variaveis utilizadas para calcular o tempo de execucao do programa */
time_t begin, end;
double time_spent;
time(&begin);
/* Inicialicazao das variaveis globais utilizadas no algoritmo */
initAttributes();
/* Loop principal que calcula o valor do "pi" */
do{
//printf("Iteracao: %ld\n", n_count);
calculate_a();
calculate_b();
calculate_t();
calculate_p();
calculate_pi();
filePrint();
n_count++;
} while(mpf_cmp(pi[n_count-2], pi[n_count-1])!=0); /* Condicao de parada: o "pi" recem calculado deve
ser igual ao seu antecessor, garantindo assim a sua
convergencia com 10 milhoes de casas decimais */
time(&end);
time_spent = difftime(end, begin);
printf("Tempo de execucao: %lf segundos\nIteracoes: %ld\n", time_spent, n_count);
return 0;
}
bool detect_collision_point(const int aircraft[], const int obstacle[], const int aircraft_vel[], const int obtacle_vel[], int collision_point[], bool *ray){
bool valid_t;
int collision_2d[3];
t = calculate_t(aircraft,obstacle,aircraft_vel,obstacle_vel,&valid_t);
if ( valid_t == false ){
if ( ray_tracing(aircraft,obstacle,aircraft[3]+obstacle[3],collision_2d) ){
*ray = true;
return true;
}
else {
return false;
}
}
else {
collision_point[0] = aircraft[0] + aircraft_vel[0]*t;
collision_point[1] = aircraft[1] + aircraft_vel[1]*t;
collision_point[2] = aircraft[2] + aircraft_vel[2]*t;
*ray = false;
return true;
}
}
