2988     unsigned char grey = r; /*((unsigned short)r + g + b) / 3*/;  in rgba8ToPixel()  local
2989     if(mode->bitdepth == 8) out[i] = grey;  in rgba8ToPixel()
2990     else if(mode->bitdepth == 16) out[i * 2 + 0] = out[i * 2 + 1] = grey;  in rgba8ToPixel()
2994       grey = (grey >> (8 - mode->bitdepth)) & ((1 << mode->bitdepth) - 1);  in rgba8ToPixel()
2995       addColorBits(out, i, mode->bitdepth, grey);  in rgba8ToPixel()
3022     unsigned char grey = r; /*((unsigned short)r + g + b) / 3*/;  in rgba8ToPixel()  local
3025       out[i * 2 + 0] = grey;  in rgba8ToPixel()
3030       out[i * 4 + 0] = out[i * 4 + 1] = grey;  in rgba8ToPixel()
3063     unsigned short grey = r; /*((unsigned)r + g + b) / 3*/;  in rgba16ToPixel()  local
3064     out[i * 2 + 0] = (grey >> 8) & 255;  in rgba16ToPixel()
3065     out[i * 2 + 1] = grey & 255;  in rgba16ToPixel()
3078     unsigned short grey = r; /*((unsigned)r + g + b) / 3*/;  in rgba16ToPixel()  local
3079     out[i * 4 + 0] = (grey >> 8) & 255;  in rgba16ToPixel()
3080     out[i * 4 + 1] = grey & 255;  in rgba16ToPixel()
3817           unsigned grey = profile.key_r;  in lodepng_auto_choose_color()  local
3820           if(profile.key) setColorKeyFrom16bit(mode_out, grey, grey, grey, mode_out->bitdepth);  in lodepng_auto_choose_color()