int main(int argc, char *argv[])
{
double elapsedTime;
double finalVelocity;
int optionLetter;
parameters.maxThrust = setDefaultDouble("MAX_THRUST", MAX_THRUST_DEFAULT);
while((optionLetter = getopt(argc, argv, "t:")) != -1) {
switch(optionLetter){
case 't':
parameters.maxThrust = strtod(optarg, NULL);
break;
default:
assert(0);
}
}
land(&finalVelocity, &elapsedTime);
printf("final velocity: %.1f m/s\n", finalVelocity);
if (fabs(finalVelocity) > 2.0)
printf("you crashed!\n");
else
printf("safe landing\n");
printf(" elapsed time: %.2f s\n", elapsedTime);
return 0;
}
int main(int argc, char *argv[])
{
double elapsedTime;
double finalVelocity;
int optionLetter;
options.maxThrust = setDefaultDouble("MAX_THRUST", MAX_THRUST_DEFAULT);
options.initialVelocity = setDefaultDouble("INITIAL_VELOCITY", INITIAL_VELOCITY_DEFAULT);
options.initialFuel = setDefaultDouble("INITIAL_FUEL", INITIAL_FUEL_DEFAULT);
options.gravity = setDefaultDouble("GRAVITY", GRAVITY_DEFAULT);
options.initialHeight = setDefaultDouble("INITIAL_HEIGHT", INITIAL_HEIGHT_DEFAULT);
while((optionLetter = getopt(argc, argv, "t:,v:,f:,g:,h:")) != -1) {
switch(optionLetter){
case 't':
options.maxThrust = strtod(optarg, NULL);
break;
case 'v':
options.initialVelocity = strtod(optarg, NULL);
break;
case 'f':
options.initialFuel = strtod(optarg, NULL);
break;
case 'g':
options.gravity = strtod(optarg, NULL);
break;
case 'h':
options.initialHeight = strtod(optarg, NULL);
break;
default:
assert(0);
}
}
land(&finalVelocity, &elapsedTime);
printf("final velocity: %.1f m/s\n", finalVelocity);
if (fabs(finalVelocity) > 2.0)
printf("you crashed!\n");
else
printf("safe landing\n");
printf(" elapsed time: %.2f s\n", elapsedTime);
return 0;
}
void PropertyImpl::setDefault(long double d )
{
setDefaultDouble(d);
}
