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-rw-r--r--src/options.cpp100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/options.cpp b/src/options.cpp
index 0633c26..c127022 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -40,6 +40,8 @@ Options::Options( int argc, char *argv[] ) :
40 "your shell)."); 40 "your shell).");
41 addOption( Bu::slot(this, &Options::sum), "sum", 41 addOption( Bu::slot(this, &Options::sum), "sum",
42 "Read numbers from standard input and sum them, output the result."); 42 "Read numbers from standard input and sum them, output the result.");
43 addOption( Bu::slot(this, &Options::grind), 'g', "grind",
44 "Search for magic numbers. Secret magic numbers.");
43 addOption( Bu::slot(this, &Options::version), 'v', "version", 45 addOption( Bu::slot(this, &Options::version), 'v', "version",
44 "Show the version string ('" CLIC_VERSION_STR "')"); 46 "Show the version string ('" CLIC_VERSION_STR "')");
45 addHelpOption('h', "help", "This help"); 47 addHelpOption('h', "help", "This help");
@@ -225,3 +227,101 @@ int Options::version( Bu::StringArray aArgs )
225 return 0; 227 return 0;
226} 228}
227 229
230bool onlyNines( const Bu::String &s )
231{
232 for( Bu::String::const_iterator i = s.begin(); i; i++ )
233 {
234 if( *i != '9' )
235 return false;
236 }
237 return true;
238}
239
240bool onlyOnes( const Bu::String &s )
241{
242 for( Bu::String::const_iterator i = s.begin(); i; i++ )
243 {
244 if( *i != '1' )
245 return false;
246 }
247 return true;
248}
249
250int Options::grind( Bu::StringArray aArgs )
251{
252 Number test("1");
253 Number bit("1");
254 Number mult("2");
255 int64_t iBits = 1;
256 int iLastSize = 0;
257
258 if( aArgs.getSize() > 1 )
259 {
260 Bu::print("Loading number..."); Bu::sioRaw.flush();
261 Bu::String num = Bu::File(aArgs[1], Bu::File::Read).readAll();
262 test = num;
263 Bu::println("done.");
264 Bu::print("Computing bit..."); Bu::sioRaw.flush();
265 bit = test;
266 bit = bit+Number("1");
267 bit = bit/mult;
268 Bu::println("done.");
269 if( aArgs.getSize() > 2 )
270 {
271 Bu::print("Trusting a human for where we are..."); Bu::sioRaw.flush();
272 iBits = strtoll( aArgs[2].getStr(), NULL, 10 );
273 }
274 else
275 {
276 Bu::print("Figuring out where we are..."); Bu::sioRaw.flush();
277 Bu::String sBin = bit.toRadix(2).toString();
278 iBits = sBin.getSize();
279 }
280// Bu::println("Done. Checking.");
281// Bu::println("test = %1, bit = %2").arg( test ).arg( bit );
282// Bu::String sTest = test.toRadix(2).toString();
283// Bu::File("check-bit.txt", Bu::File::WriteNew ).write( sBin );
284// Bu::File("check-test.txt", Bu::File::WriteNew ).write( sTest );
285 iLastSize = num.getSize();
286// Bu::println("File written. %1 bits").arg( sBin.getSize() );
287 Bu::println("done.");
288 Bu::println("Continuing calculation...");
289 }
290
291 for(;;)
292 {
293 bit = bit*mult;
294 test = test + bit;
295 Bu::String r = test.toString();
296 iBits++;
297
298 if( onlyNines(r) )
299 {
300 Bu::println("%1 digits").arg( r.getSize() );
301 Bu::File f("answer-dec.txt", Bu::File::WriteNew );
302 f.write( r );
303 Bu::println("Success.");
304// Bu::println("%1 == %2").arg( test.toRadix(2) ).arg( r );
305 return 0;
306 }
307 if( r.getSize() != iLastSize && r.getSize()%1000 == 0 )
308 {
309 /*
310 Bu::String rs = test.toRadix(2).toString();
311 int iOBits = rs.getSize();
312 if( iOBits != iBits )
313 Bu::println("Bit mismatch: %1 vs %2").arg( iOBits ).arg( iBits );
314 if( !onlyOnes( rs ) )
315 Bu::println("Not only ones!");
316 */
317 iLastSize = r.getSize();
318 Bu::println("%1 digits").arg( r.getSize() );
319 Bu::File f(Bu::String("interum-%1-%2.txt").arg( r.getSize() ).arg( iBits ), Bu::File::WriteNew );
320 f.write( r );
321 }
322 }
323 Bu::println("Failure.");
324 exit( 0 );
325 return 0;
326}
327