int main(int argc, char* argv[])
{
if(argc!=4)
{
printf( "Usage: %s <v> <a> <t>", argv[0] );
exit( EXIT_FAILURE );
}
double b = atof(argv[1]);
double T = atof(argv[2]);
double f = atof(argv[3]);
double acctng[3] = {0, b*T, -b};
double dectng[1] = {-f};
/* Defining the Acceleration polynomials for the car */
polynomial acc_car = polynomial_construct(2, acctng);
polynomial dec_car = polynomial_construct(0, dectng);
/* Velocity and distance polynomials for the accelerating car */
polynomial velocity_of_acc_car = polynomial_integrate(acc_car);
polynomial distance_trvd_acc_car = polynomial_integrate(velocity_of_acc_car);
/* Evaluating the distance travelled by the accelerating car in time T */
double distance_1 = polynomial_evaluate(distance_trvd_acc_car, T);
polynomial velocity_of_dec_car = polynomial_integrate(dec_car);
velocity_of_dec_car.coeff[0] = polynomial_evaluate(velocity_of_acc_car, T);
double time_of_stop = -velocity_of_dec_car.coeff[0]/velocity_of_dec_car.coeff[1];
polynomial distance_trvd_dec_car = polynomial_integrate(velocity_of_dec_car);
double distance_2 = polynomial_evaluate(distance_trvd_dec_car, time_of_stop);
/*
polynomial_print(acc_car);
polynomial_print(velocity_of_acc_car);
polynomial_print(distance_trvd_acc_car);
polynomial_print(dec_car);
polynomial_print(velocity_of_dec_car);
polynomial_print(distance_trvd_dec_car);
printf("The distance_1 travelled by the car is %.4f\n", distance_1 );
printf("The distance_2 distance travelled by the car is %.4f\n");
*/
printf("%.4f\n", time_of_stop );
printf("%f\n", distance_1 + distance_2);
}
int integrate(entry_t **list, char *args)
{
complex_t *z = NULL;
entry_t *e = NULL;
polynomial_t *q = NULL;
size_t size = 0, i = 0;
char **table = NULL, *c = NULL, count = 0;
if (list == NULL || args == NULL)
return EXIT_FAILURE;
table = split(args, ' ', &size);
if (table == NULL || size == 1)
{
if (table != NULL)
{
free(*table);
free(table);
}
return EXIT_FAILURE;
}
e = entry_get(*list, table[1]);
if (e == NULL || e->type != POLYNOMIAL)
{
for (i = 0; i < size; i++)
free(table[i]);
free(table);
return EXIT_FAILURE;
}
if (size > 2)
{
c = args;
while (count < 2)
{
if (*c == ' ')
count++;
c++;
}
z = complex_fromString(c);
if (z == NULL)
{
for (i = 0; i < size; i++)
free(table[i]);
free(table);
return EXIT_FAILURE;
}
q = polynomial_integrate((polynomial_t*) e->polynomial, z);
}
else
q = polynomial_integrate((polynomial_t*) e->polynomial, NULL);
if (q == NULL)
{
if (z != NULL)
complex_free(z);
for (i = 0; i < size; i++)
free(table[i]);
free(table);
return EXIT_FAILURE;
}
polynomial_display(q);
fprintf(stdout, "\n");
entry_add(list, (void*) q, POLYNOMIAL);
for (i = 0; i < size; i++)
free(table[i]);
free(table);
return EXIT_SUCCESS;
}
