double pyne::half_life(int nuc)
{
// Find the nuclide's half life in s
std::map<int, double>::iterator nuc_iter, nuc_end;
nuc_iter = half_life_map.find(nuc);
nuc_end = half_life_map.end();
// First check if we already have the nuc in the map
if (nuc_iter != nuc_end)
return (*nuc_iter).second;
// Next, fill up the map with values from the
// nuc_data.h5, if the map is empty.
if (half_life_map.empty())
{
_load_atomic_decay();
return half_life(nuc);
};
// Finally, if none of these work,
// assume the value is stable
double hl = 1.0 / 0.0;
half_life_map[nuc] = hl;
return hl;
};
double pyne::half_life(std::string nuc)
{
int nuc_zz = nucname::zzaaam(nuc);
return half_life(nuc_zz);
};
double pyne::half_life(char * nuc)
{
int nuc_zz = nucname::zzaaam(nuc);
return half_life(nuc_zz);
};
int main(int argc, char *argv[])
{
time_t startTime;
bool started_flag = false;
bool drinks_disabled_flag = false;
bool metric_flag = false;
//This is the variable that holds the current amount of caffeine
//so basicly the whole program is centred around changing this
//variable. Change with caution!
double caffeineAmount = 0.0;
double caffeineTotal = 0.0;
double addCaffeine = 0.0;
double amountRemaining = 0.0;
display_heading("Eternal Caffeine v2.0 <copyleft. 2015-2016>\n");
if(argc > 1){ //if any arguments are give at all
printf("I don't know what `%s' is but here is the help menu.\n", argv[1]);
usage();
exit(EXIT_SUCCESS);
}
puts("Enter help for usage.\n\n");
FILE *drinkfile = fopen(DRINK_PATH_CURRENT, "r");
if(drinkfile == NULL){ //try the install path
drinkfile = fopen(DRINK_PATH_INSTALL, "r");
}
const unsigned int DRINK_COUNT = count_lines(drinkfile); //we must count the number of entries so we know how much to allocate
struct drink drink_table[DRINK_COUNT];
if(DRINK_COUNT == 0 || drinkfile == NULL){
puts("No drinks found! Disabling drinks feature...");
drinks_disabled_flag = true;
} else {
load_drinks(drinkfile, drink_table, drinks_disabled_flag);
fclose(drinkfile);
}
char command[INPUT_MAX];
while(IM_ETERNAL){
printf("command");
input_str(command);
if( string_compare(command, "help") ){
usage();
} else if ( string_compare(command, "start") || string_compare(command, "update") ){
if(started_flag){
//do halflife before add new amount
caffeineAmount = half_life(caffeineAmount,
time_elapsed(startTime),
HALFLIFE_OF_CAFFEINE);
} else {
started_flag = true;
}
startTime = time(NULL);
//add new amount
addCaffeine = update(drink_table, DRINK_COUNT, drinks_disabled_flag, metric_flag);
caffeineAmount = caffeineAmount + addCaffeine;
caffeineTotal = caffeineTotal + addCaffeine;
printf("Caffeine amount is now %.02lfmg\n", caffeineAmount);
} else if( string_compare(command, "report") ){
if(! started_flag ){
puts("You have not started yet. Enter the start command!!!");
continue;
}
amountRemaining = half_life(caffeineAmount,
time_elapsed(startTime),
HALFLIFE_OF_CAFFEINE);
give_report(amountRemaining, caffeineTotal);
} else if( string_compare(command, "quit") ){
putchar('\n');
exit(EXIT_SUCCESS);
} else if( string_compare(command, "metric") ){
metric_flag = !metric_flag; //toggle
printf("Metric is now ");
if(metric_flag){
printf("on.\n");
}else{
printf("off.\n");
}
} else if( string_compare(command, "wipe") ){
addCaffeine = caffeineAmount = caffeineTotal = 0.0;
metric_flag = started_flag = false;
puts("All values have been reset.");
} else {
puts("Command unknown. Enter help for usage.");
continue;
}
}
return EXIT_SUCCESS;
}
