/*
* Constructor: std::string B64coder::DecimalToBinary(int number)
*
* Purpose: Converts a decimal number to binary
*
* Arguments: int number = a decimal number
*
* Returns: String of the binary representation of a decimal number
*/
std::string B64coder::DecimalToBinary(int number)
{
if (number == 0) return "0";
if (number == 1) return "1";
if ( number % 2 == 0 )
{
return DecimalToBinary(number/2) + "0";
}else{
return DecimalToBinary(number/2) + "1";
}
}
int main()
{
double num;
printf("Give me a decimal...\n");
scanf("%lf", &num);
printf("Integer part: %lf, fractional part: %f", floor(num), num - floor(num));
DecimalToBinary(num);
printf("Give me a binary (5 digits)...\n");
char binstr[5];
scanf("%s", binstr);
BinaryToDecimal(binstr);
}
/*
* Constructor: std::string B64coder::DecToBin6(std::vector<int> decimals)
*
* Purpose: Converts each int in the vector to 6 bit binary
*
* Arguments: std::vector<int> decimals
*
* Returns: std::string = concatenated string of each 6bit binary value
*/
std::string B64coder::DecToBin6(std::vector<int> decimals)
{
std::string binary6;
std::string temp;
for (int i = 0; i < decimals.size(); i++)
{
temp = DecimalToBinary(decimals[i]);
while( temp.length() < 6 )
{
temp = "0" + temp;
}
binary6 += temp;
}
return binary6;
}
/*
* Constructor: std::string B64coder::To8Binary(char* key)
*
* Purpose: Converts the data to decimal, then to an 8 bit binary string
*
* Arguments: char* key = starting address of a char array
*
* Returns: String of 8 bit binary
*/
std::string B64coder::To8Binary(char* key)
{
std::string binary8;
std::string temp;
char *ptr = key;
int decimal;
while(*ptr)
{
decimal = *ptr;
temp = DecimalToBinary(decimal);
while( temp.length() < 8 )
{
temp = "0" + temp;
}
binary8 += temp;
ptr++;
}
return binary8;
}
void MATRIX::CreateParity(void) {
MATRIX *binaryOfColumn;
int binarySum;
for (int j=0;j<width;j++)
for (int i=0;i<length;i++) {
binaryOfColumn = DecimalToBinary(i,length-1);
binarySum = int(binaryOfColumn->SumOfRow(0));
if ( (binarySum%2) == 0 )
Set(i,j,0);
else
Set(i,j,1);
delete binaryOfColumn;
binaryOfColumn = NULL;
}
}
