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