C / C++ / MFC

// predicate
bool removeChar(const char& c)
{
	if ('h' == c || 'H' == c)
		return true;
	return false;
}

// in code
string alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
alphabet.erase(remove_if(alphabet.begin(), alphabet.end(), removeChar), alphabet.end());

nadiric wrote:

not sure if reading them all in at once, and applying a macro-bit-shift would be faster?

// for converting float
float endian_shift(const float& f)
{
	float ret = 0.0;
	ret |= (f << 24);
	ret |= ((f >> 8) << 24) >> 8;
	ret |= ((f >> 16) << 24) >> 16;
	ret |= (f >> 24);
	return ret;
}

// for reading data
ifstream fin;
fin.open("myfile.dat", ios::binary);
vector<float> myData(SIZE);
copy(istream_iterator<float>(fin), istream_iterator<float>(), back_inserter(myData));
fin.close();
transform(myData.begin(), myData.end(), myData.begin(), endian_shift);