27 MutationDispatcher::MutationDispatcher(Random &Rand,  in MutationDispatcher()  argument
29     : Rand(Rand), Options(Options) {  in MutationDispatcher()
63 static char RandCh(Random &Rand) {  in RandCh()  argument
64   if (Rand.RandBool())  in RandCh()
65     return static_cast<char>(Rand(256));  in RandCh()
67   return Special[Rand(sizeof(Special) - 1)];  in RandCh()
77                                      Rand.Rand<unsigned int>());  in Mutate_Custom()
100       Rand.Rand<unsigned int>());  in Mutate_CustomCrossOver()
113       Rand(std::min(Size, (size_t)8)) + 1; // [1,8] and <= Size.  in Mutate_ShuffleBytes()
114   size_t ShuffleStart = Rand(Size - ShuffleAmount);  in Mutate_ShuffleBytes()
116   std::shuffle(Data + ShuffleStart, Data + ShuffleStart + ShuffleAmount, Rand);  in Mutate_ShuffleBytes()
123   size_t N = Rand(Size / 2) + 1;  in Mutate_EraseBytes()
125   size_t Idx = Rand(Size - N + 1);  in Mutate_EraseBytes()
135   size_t Idx = Rand(Size + 1);  in Mutate_InsertByte()
138   Data[Idx] = RandCh(Rand);  in Mutate_InsertByte()
148   size_t N = Rand(MaxBytesToInsert - kMinBytesToInsert + 1) + kMinBytesToInsert;  in Mutate_InsertRepeatedBytes()
150   size_t Idx = Rand(Size + 1);  in Mutate_InsertRepeatedBytes()
155       Rand.RandBool() ? Rand(256) : (Rand.RandBool() ? 0 : 255));  in Mutate_InsertRepeatedBytes()
164   size_t Idx = Rand(Size);  in Mutate_ChangeByte()
165   Data[Idx] = RandCh(Rand);  in Mutate_ChangeByte()
172   size_t Idx = Rand(Size);  in Mutate_ChangeBit()
173   Data[Idx] ^= 1 << Rand(8);  in Mutate_ChangeBit()
189                          Rand.RandBool();  in ApplyDictionaryEntry()
190   if (Rand.RandBool()) {  // Insert W.  in ApplyDictionaryEntry()
192     size_t Idx = UsePositionHint ? DE.GetPositionHint() : Rand(Size + 1);  in ApplyDictionaryEntry()
199         UsePositionHint ? DE.GetPositionHint() : Rand(Size + 1 - W.size());  in ApplyDictionaryEntry()
216   bool HandleFirst = Rand.RandBool();  in MakeDictionaryEntryFromCMP()
236     return DictionaryEntry(W, Positions[Rand(NumPositions)]);  in MakeDictionaryEntryFromCMP()
246   if (Rand.RandBool()) Arg1 = Bswap(Arg1);  in MakeDictionaryEntryFromCMP()
247   if (Rand.RandBool()) Arg2 = Bswap(Arg2);  in MakeDictionaryEntryFromCMP()
248   T Arg1Mutation = static_cast<T>(Arg1 + Rand(-1, 1));  in MakeDictionaryEntryFromCMP()
249   T Arg2Mutation = static_cast<T>(Arg2 + Rand(-1, 1));  in MakeDictionaryEntryFromCMP()
264   switch (Rand(4)) {  in Mutate_AddWordFromTORC()
266     auto X = TPC.TORC8.Get(Rand.Rand<size_t>());  in Mutate_AddWordFromTORC()
270     auto X = TPC.TORC4.Get(Rand.Rand<size_t>());  in Mutate_AddWordFromTORC()
271     if ((X.A >> 16) == 0 && (X.B >> 16) == 0 && Rand.RandBool())  in Mutate_AddWordFromTORC()
277     auto X = TPC.TORCW.Get(Rand.Rand<size_t>());  in Mutate_AddWordFromTORC()
281       auto X = TPC.MMT.Get(Rand.Rand<size_t>());  in Mutate_AddWordFromTORC()
307   DictionaryEntry &DE = D[Rand(D.size())];  in AddWordFromDictionary()
320   size_t ToBeg = Rand(ToSize);  in CopyPartOf()
321   size_t CopySize = Rand(ToSize - ToBeg) + 1;  in CopyPartOf()
324   size_t FromBeg = Rand(FromSize - CopySize + 1);  in CopyPartOf()
338   size_t CopySize = Rand(MaxCopySize) + 1;  in InsertPartOf()
339   size_t FromBeg = Rand(FromSize - CopySize + 1);  in InsertPartOf()
341   size_t ToInsertPos = Rand(ToSize + 1);  in InsertPartOf()
361   if (Size == MaxSize || Rand.RandBool())  in Mutate_CopyPart()
370   size_t B = Rand(Size);  in Mutate_ChangeASCIIInteger()
383   switch(Rand(5)) {  in Mutate_ChangeASCIIInteger()
388     case 4: Val = Rand(Val * Val); break;  in Mutate_ChangeASCIIInteger()
402 size_t ChangeBinaryInteger(uint8_t *Data, size_t Size, Random &Rand) {  in ChangeBinaryInteger()  argument
404   size_t Off = Rand(Size - sizeof(T) + 1);  in ChangeBinaryInteger()
407   if (Off < 64 && !Rand(4)) {  in ChangeBinaryInteger()
409     if (Rand.RandBool())  in ChangeBinaryInteger()
413     T Add = static_cast<T>(Rand(21));  in ChangeBinaryInteger()
415     if (Rand.RandBool())  in ChangeBinaryInteger()
419     if (Add == 0 || Rand.RandBool()) // Maybe negate.  in ChangeBinaryInteger()
430   switch (Rand(4)) {  in Mutate_ChangeBinaryInteger()
431     case 3: return ChangeBinaryInteger<uint64_t>(Data, Size, Rand);  in Mutate_ChangeBinaryInteger()
432     case 2: return ChangeBinaryInteger<uint32_t>(Data, Size, Rand);  in Mutate_ChangeBinaryInteger()
433     case 1: return ChangeBinaryInteger<uint16_t>(Data, Size, Rand);  in Mutate_ChangeBinaryInteger()
434     case 0: return ChangeBinaryInteger<uint8_t>(Data, Size, Rand);  in Mutate_ChangeBinaryInteger()
448   switch(Rand(3)) {  in Mutate_CrossOver()
549     auto M = Mutators[Rand(Mutators.size())];  in MutateImpl()