+*/
+/* same as above but precomputed to avoid compiler warnings */
+
+static
+uint32_t k_lut[] PROGMEM = {
+ 0x55555550L, 0x5aaaaaa5L, 0x5ffffffaL,
+ 0x6555554fL, 0x6aaaaaa4L, 0x6ffffff9L,
+ 0x7555554eL, 0x7aaaaaa3L, 0x7ffffff8L,
+ 0x8555554dL, 0x8aaaaaa2L, 0x8ffffff7L,
+ 0x9555554cL, 0x9aaaaaa1L, 0x9ffffff6L,
+ 0xa555554bL };
+