void PrimesTable::GenerateTableHelper(Ulong Number_, PrimesTable::TableBuffer& TempTable_)
{
Boolean NotPrime_;
Ulong Index_, Max_;
Ulong Divisor_;
Max_ = Ulong(sqrt(Number_));
NotPrime_ = FALSE;
for (Index_ = 1; Index_ < _TotalSize && !NotPrime_; ++Index_)
{
Divisor_ = GetTableElementOnGenerate(Index_, TempTable_);
if (Divisor_ > Max_)
break;
else
NotPrime_ = Number_ % Divisor_ == 0;
}
if (!NotPrime_)
{
_Bitv.SetBit(Number_);
_CurTable._Table[_TableIndex++] = Number_;
++_TotalSize;
}
}
ChrString ULongInt::ToTruncString(const LongInt& Int_, int Radix_)
{
char Buffer_[16];
ULongInt UInt_(Int_);
return ChrString(UlongToStr(Ulong(UInt_), Buffer_, Radix_));
}
Bool readRawText(std::string const& filename, std::string& text)
{
Bool is_good = true;
std::ifstream in(filename.c_str(), std::ios::in | std::ios::ate | std::ios::binary);
is_good = in.good();
if (is_good)
{
Ulong end_position = Ulong(in.tellg());
Char* script_c_str = new Char[end_position + 1UL];
in.seekg(0, std::ios::beg);
in.read(script_c_str, end_position);
script_c_str[end_position] = '\0';
is_good = in.good();
in.close();
text = script_c_str;
delete[](script_c_str);
}
convertTextToNativeStyle(text);
return is_good;
}
Ulong PrimesTable::Floor(double Value_)
{
Ulong Num_, i;
Num_ = Ulong(floor(Value_));
if (Num_ > MAXENTRIES)
{
for (i = Num_; i > MAXENTRIES; --i)
if (SieveFindPrime(i))
return i;
}
else
i = Num_;
for (;i != Ulong(-1); --i)
if (_Bitv[i])
return i;
return 0;
}
Boolean VerifyPrime(Ulong x)
{
Ulong max_ = Ulong(sqrt(x));
Ulong i;
Ulong notprime_ = 0;
for (i = 2; i <= max_ && !notprime_; ++i)
if (i > max_)
break;
else
notprime_ = x % i == 0;
return !notprime_;
}
Boolean PrimesTable::IsPrime(Ulong Num_, Boolean* Computable_)
{
Ulong Max_ = Ulong(sqrt(Num_));
if (Max_ > MAXENTRIES)
{
if (Computable_)
*Computable_ = FALSE;
}
else if (Num_ > MAXENTRIES)
return SieveFindPrime(Num_);
else
return _Bitv[Num_];
return 0;
}
Ulong PrimesTable::Ceiling(double Value_)
{
Ulong Num_, i;
Num_ = Ulong(ceil(Value_));
if (Num_ <= MAXENTRIES)
{
for (i = Num_; i <= MAXENTRIES; ++i)
if (_Bitv[i])
return i;
}
else
i = Num_;
Ulong Max_ = 4294967295UL;
for (;i < Max_; ++i)
if (SieveFindPrime(i))
return i;
return 0;
}
Boolean PrimesTable::SieveFindPrime(Ulong Number_)
{
Boolean NotPrime_;
Ulong Index_, Max_;
Ulong Divisor_;
Max_ = Ulong(sqrt(Number_));
NotPrime_ = FALSE;
for (Index_ = 1; Index_ < _TotalSize && !NotPrime_; ++Index_)
{
Divisor_ = GetTableElement(Index_, _CurTable);
if (Divisor_ > Max_)
break;
else
NotPrime_ = Number_ % Divisor_ == 0;
}
return !NotPrime_;
}
Ulong PrimesTable::NextPrimeFactor(Ulong Number_, Ulong& Quotient_, Ulong& Exponent_)
{
Boolean NotPrime_;
Ulong Index_, Max_;
Ulong Divisor_;
Max_ = Ulong(sqrt(Number_));
NotPrime_ = FALSE;
Exponent_ = 0;
if (Max_ > MAXENTRIES)
return 0;
for (Index_ = 1; Index_ < _TotalSize && !NotPrime_; ++Index_)
{
Divisor_ = GetTableElement(Index_, _CurTable);
if (Divisor_ > Max_)
break;
else
{
NotPrime_ = Number_ % Divisor_ == 0;
if (NotPrime_)
{
do
{
Number_ /= Divisor_;
++Exponent_;
}
while (Number_ % Divisor_ == 0);
Quotient_ = Number_;
}
}
}
return (NotPrime_ ? Divisor_:Number_);
}
int main()
{
ChrString Str_;
ULongInt si(61515012);
Str_ = si.ToString();
assert(!strcmp(Str_.c_str(), "61515012"));
ULongInt si2(61515012);
ULongInt si3(41057012);
Str_ = si3.ToString();
assert(!strcmp(Str_.c_str(), "41057012"));
assert(!(si < si3));
assert(si > si3);
assert(si == si2);
assert(!(si == si3));
assert(si != si3);
ofstream fout("testing.bin");
Write(fout, si);
fout.close();
ifstream fin("testing.bin");
Read(fin, si3);
fin.close();
assert(si3 == ULongInt(61515012));
si2 = "abc";
assert(si2.IsNullObject());
assert(si2.DataConversionError());
UInteger uintv("56800012");
si2.Assign(uintv);
assert(si2 == ULongInt(56800012));
UShortInt usintv("65534");
si2.Assign(usintv);
assert(si2 == ULongInt(65534));
cout <<"Enter a number: ";
cin >>si;
cout <<si <<endl;
// Testing bounds checking
ULongInt chk1 = ULONG_MAX;
chk1 += 5;
assert(chk1.Overflow());
chk1.ClearError();
chk1 = 1;
--chk1;
assert(!chk1.Underflow());
--chk1;
assert(chk1.Underflow());
chk1.ClearError();
chk1 = 65536;
chk1 *= chk1;
assert(chk1.Overflow());
chk1 = 65536;
chk1 >>= 2;
assert(Ulong(chk1) == 16384);
chk1 <<= 4;
assert(Ulong(chk1) == 262144);
chk1 |= ULongInt(0x0F);
assert(Ulong(chk1) == 262159);
chk1 = ULongInt(chk1) / ULongInt(0);
assert(chk1.DivideByZero());
assert(chk1.Overflow());
assert(!chk1.NoError());
chk1.ClearError();
try
{
chk1.ThrowError();
}
catch (const SciEngErr& ErrObj_)
{
cerr <<ErrObj_.message();
}
// Testing series comparison class on user defined type
ULongInt* List_[25];
int i;
for (i = 0; i < 10; ++i)
List_[i] = new ULongInt(i+1);
List_[10] = NULL;
ULongInt ZeroChar(0);
assert(SeriesCompare<ULongInt>::SumOfUnsignedSeriesCmp(ULongInt(11), List_, ZeroChar, CHAR_MAX).Result() < 0);
assert(SeriesCompare<ULongInt>::SumOfUnsignedSeriesCmp(ULongInt(55), List_, ZeroChar, CHAR_MAX).Result() == 0);
assert(SeriesCompare<ULongInt>::SumOfUnsignedSeriesCmp(ULongInt(77), List_, ZeroChar, CHAR_MAX).Result() > 0);
assert(SeriesCompare<ULongInt>::SumOfUnsignedSeriesCmp(ULongInt(1), List_, ZeroChar, CHAR_MAX, TRUE).Result() < 0);
delete List_[5];
List_[5] = NULL;
SeriesCompare<ULongInt> Pobj_ = SeriesCompare<ULongInt>::ProductOfUnsignedSeriesCmp(ULongInt(120), List_, ZeroChar, CHAR_MAX);
assert(Pobj_.Result() == 0);
Pobj_ = SeriesCompare<ULongInt>::ProductOfUnsignedSeriesCmp(ULongInt(121), List_, ZeroChar, CHAR_MAX);
assert(Pobj_.Result() > 0);
Pobj_ = SeriesCompare<ULongInt>::ProductOfUnsignedSeriesCmp(ULongInt(119), List_, ZeroChar, CHAR_MAX);
assert(Pobj_.Result() < 0);
for (i = 0; i < 10; ++i)
delete List_[i];
cout <<endl <<"SUCCESS Testing ULongInt" <<endl;
return 0;
}
LongInt& ULongInt::operator = (const long& IntVal_)
{
_Uvalue = Ulong(IntVal_);
return *this;
}
ChrString ULongInt::ToTruncString(int Radix_) const
{
char Buffer_[16];
return ChrString(UlongToStr(Ulong(*this), Buffer_, Radix_));
}
