MATRIX *MATRIX::DecimalToBinary(int val, int maxValue) {
int power = 0;
while ( (maxValue - pow(2.0,power)) >= 0 ) {
power = power + 1;
}
MATRIX *binaryVal = new MATRIX(1,power,0);
while ( val > 0 ) {
power = 0;
while ( (val - pow(2.0,power)) >= 0 ) {
power = power + 1;
}
binaryVal->Set(0,binaryVal->width-power,1);
val = val - int(pow(2.0,power-1));
}
return( binaryVal );
}
MATRIX *MATRIX::GetRow(int i) {
MATRIX *row = new MATRIX(1,width);
for (int currColumn=0;currColumn<width;currColumn++)
row->Set(0,currColumn,Get(i,currColumn));
return( row );
}
MATRIX *MATRIX::GetColumn(int j) {
MATRIX *column = new MATRIX(length,1);
for (int currRow=0;currRow<length;currRow++)
column->Set(currRow,0,Get(currRow,j));
return( column );
}
void MATRIX::SelectUniquelyFrom(int maxVal) {
MATRIX *chosen = new MATRIX(1,maxVal,0);
int j;
int chosenVal;
for (j=0;j<width;j++) {
chosenVal = RandInt(0,maxVal-1);
while ( chosen->Get(0,chosenVal) )
chosenVal = RandInt(0,maxVal-1);
Set(0,j,chosenVal);
chosen->Set(0,chosenVal,1);
}
delete chosen;
chosen = NULL;
}