#include <iostream>#include "mask.hpp"using namespace std;mask::~mask() {  delete []data;}mask::mask() {  data = NULL;  s = 0;}mask::mask(const unsigned int& size) {  init(size);}mask::mask(const int& size) {  init(size);}mask::mask(bool *d, const unsigned int& size) {  data = d;  s = size;}mask::mask(const mask &m) {	  if(m.data==NULL|| (m.s==0)) {    cerr << "ERROR: mask::mask(const mask &m)"      " argument &m is corrupt or empty." << endl;    return;  }  data = new bool[m.s];  if(data==NULL) {    cerr << "ERROR: mask(mask &m): out of memory." << endl;    s = 0;  }  s = m.s;  memcpy(data,m.data,sizeof(bool)*m.s);}void mask::init(const unsigned int& size) {  data = new bool[size];  if(data==NULL) {    cout << "ERROR: mask::mask(const unsigned int size)"      " could not allocate memory." << endl;    s = 0;  } else {    // if we can assure that compiler inits to NULL, then drop this line    memset(data,'\0',size*sizeof(bool));    s = size;  }}void mask::print() const {  cout << " mask::print()" << endl;  cout << "size: " << s << endl;  for(unsigned int i=0; i < s; i++)    cout << data[i] << endl;}unsigned int mask::size() const {  return s;}bool& mask::operator[](const unsigned int &i) {  return data[i];}mask& mask::operator=(const mask& right) {  // self assignment  if(this == &right) return *this;	  delete []data;  data = new bool[right.s];  if(data==NULL) {    cout << "ERROR: mask::operator=(const mask& right)"      " could not allocate memory." << endl;    s = 0;  }  s = right.s;  memcpy(data,right.data,sizeof(bool)*right.s);  return *this;}mask operator&&(const mask& left, const mask& right) {  unsigned int left_size = left.s;  if(left_size!=right.s) {    cerr << "mask operator&&(const mask& left, const mask& right)" << endl;    cerr << "masks are not equal size." << endl;    return mask();  }  bool* ans_data = new bool[left_size];  if(ans_data==NULL) {    cout << "ERROR: operator&&(const mask& left, const mask& right)"      " out of memory." << endl;  }  for(unsigned int i=0; i < left_size; i++)    if(left.data[i] && right.data[i]) {      ans_data[i] = true;    } else {      ans_data[i] = false;    }  return mask(ans_data,left_size);}bool mask::all() const {  for(unsigned int i = 0; i < s; i++) {    if(data[i]!=true) {      return false;    }  }  return true;}bool mask::any() const {  for(unsigned int i = 0; i < s; i++) {    if(data[i]==true) {      return true;    }  }  return false;}unsigned int mask::total_true() const {  unsigned int ans = 0;  for(unsigned int i = 0; i < s; i++) {    if(data[i]) {      ans++;    }  }  return ans;}