1 #include "bsgm_census.h"
2 
3 
4 //: Generate a bit-set look-up table for a pre-allocated array of size 256
bsgm_generate_bit_set_lut(unsigned char * lut)5 void bsgm_generate_bit_set_lut(unsigned char* lut ){
6   lut[0] = 0;
7   for (int b = 0; b < 256; b++ )
8     lut[b] = (b&1) + lut[b/2];
9 }
10