int main(){
float num;
int member;
int yn;
char yesno;
printf("How much does the meal cost? : ");
scanf("%f",&num);
if (num>=1000){
printf("Does customer have member card? (y/n)");
scanf(" %c",&yesno);
if(yesno == 'y')yn=1;
else if(yesno == 'n')yn=0;
printf("Sub total (bath): %.2f\n",num);
printf("Discount (bath): %.2f\n",num/5);
printf("Total (bath): %.2f\n",calculateDiscount(yn,num));
}
else{
printf("There is no discount for this promotion\n");
printf("total (bath): %.2f\n",num);
}
return 0;
}
void
SimplePhraseTable::
knsmoothing(){
//collect count of count
cerr<<"knsmoothing"<<endl;
map<string,double> unigram;
double unigramTotal=0;
vector<double> coc(MAX_DISCOUNT_ORDER-1,0.0);
for(auto& outM: *this){
for(auto& item: outM.second){
//item.second.fractype.print(cerr);
item.second.fractype.changeLogToReal();
//item.second.fractype.print(cerr);
unigram[item.first]+=1-item.second.fractype[0];
unigramTotal+=1-item.second.fractype[0];
for(int i=0;i<MAX_DISCOUNT_ORDER-1;i++)
coc[i]+=item.second.fractype[i+1];
}
}
for(int i=0;i<MAX_DISCOUNT_ORDER-1;i++)
cout<<"count of count "<<i+1<<": "<<coc[i]<<endl;
//calculate prob for unigram
for(auto& item: unigram){
item.second/=unigramTotal;
}
//calculate discounts
vector<double> discount;
calculateDiscount(coc,discount);
//apply discount, calculate bow
for(auto& outM: *this){
double total=0,tdMass=0;
for(auto& item: outM.second){
// now, fractype[1]=discount
// and fractype[0]=probability this item appearing
// fractype[2-3] not defined.
item.second.fractype[1]=
discountMass(item.second.fractype, discount);
item.second.fractype[0]=1-item.second.fractype[0];
total+=item.second.count;
tdMass+=item.second.fractype[1];
}
double bow=tdMass/total;
for(auto& item: outM.second){
// now fractype[2]=backoff weight
// fractype[3]=smoothed probability before interpolated
item.second.fractype[2]=bow;
item.second.fractype[3]=
(item.second.count-item.second.fractype[1])/total;
item.second.prob=item.second.fractype[3]+bow*unigram[item.first];
item.second.count=0;
if(item.second.prob<=0){
//cerr<<outM.first<<" => "<<item.first<<" count: "
//<<item.second.count<<", total: "<<total<<endl;
item.second.prob=1E-10;
}
//assert(item.second.prob>0);
item.second.fractype.resetToLog();
}
}
}
