The Annoyance Filter.pdf - Fourmilab

184 MAIN PROGRAM ANNOYANCE-FILTER §231
231. The classifyMessages function classifies the first message in the mail folder fname .
〈 Global functions 184 〉 +≡
static double classifyMessages (const char ∗fname )
{
double jp;
if (dict .empty ( ) ∧ ¬fDict .isDictionaryLoaded ( )) {
cerr ≪ "You␣cannot␣−−classify␣or␣−−test␣a␣message␣""unless␣you␣have␣fir\
st␣loaded␣a␣dictionary." ≪ endl ;
jp = 0.5; /∗ Beats me–call it fifty-fifty junk probability ∗/
}
else {
mailFolder mf (fname , dictionaryWord ::Mail );
classifyMessage cm (mf , dict , &fDict , significantWords , novelWordProbability );
jp = cm .classifyThis ( );
if (verbose ) {
cerr ≪ "Message␣junk␣probability:␣" ≪ setprecision (5) ≪ jp ≪ endl ;
}
}
nTested ++;
return jp;
}