GrayToInt is a bit operation conversion code snippet to convert the integer value from a Gray code. To convert a Gray code to an integer, use IntToGray.
//From http://www.richelbilderbeek.nl/CppGrayToInt.htm //Modified from Press et al., 2002, Numerical Recipies in C++, //ISBN 0 521 75033 4 int GrayToInt(int i) { int power = 1; while (1) { const int j = i >> power; i ^= j; if (j == 0 || power == 16) return i; power <<= 1; } }