#define tiny_math_partialdiff_width 6 #define tiny_math_partialdiff_height 8 #define tiny_math_partialdiff_x_hot 0 #define tiny_math_partialdiff_y_hot 7 static unsigned char tiny_math_partialdiff_bits[] = { 0x04, 0x08, 0x08, 0x1e, 0x11, 0x11, 0x11, 0x0e};