//this method is for negative integers only, not fractions or positive numbers
public string decToBinNeg(long input, int size)
{
//decToBinNeg
const int MATHEMATICALLY_NECESSARY_CORRECTION = 1;
if (input == -1) //special case for when input is -1
{//if
return new string(Constants.ONE, size);
}//if
else
{//else
//make input positive
//mathmaticallyNecessaryCorrection = -1
uint inputAdjusted = (uint)Math.Abs(input) - MATHEMATICALLY_NECESSARY_CORRECTION;
DecInt dec = new DecInt(inputAdjusted, size);
ConverterToBin binConvert = new ConverterToBin();
BinInt unsignedBin = binConvert.Convert(dec);
//convert the positive number to binary
//arguement size affects whether you'll get 0010 vs 00000010
String inputAsPosBin = unsignedBin.StoredInput;
string toBeReturned = NegateBin(inputAsPosBin);
return toBeReturned;
}//else
}
public SignedBinInt Convert(SignedDecInt signedDecInteger)
{
uint inputNumber = signedDecInteger.GetUnsignedNumber();
int size = signedDecInteger.allowedNumberOfBits;
SignedBinInt signedBin;
if (inputNumber >= 0)
{
DecInt dec = new DecInt(inputNumber,size);
ConverterToBin binConvert = new ConverterToBin();
BinInt bin = binConvert.Convert(dec);
signedBin = new SignedBinInt(Constants.POSITIVE, bin.StoredInput, bin.allowedNumberOfBits);
return signedBin;
}
else
{
string negBinRepresentation = this.decToBinNeg(inputNumber, size);
signedBin = new SignedBinInt(Constants.NEGATIVE, negBinRepresentation, size);
}
return signedBin;
}
public void SetUp()
{
converter = new ConverterToBin();
dec = new DecInt("");
}
