+#define BITSET64_TEST_RANGE(x, b, e) \
+ (BITSET64_BITWORD(b) == BITSET64_BITWORD(e) ? \
+ (BITSET64_TEST_SUBRANGE(x, b, e)) : \
+ (BITSET64_TEST_SUBRANGE(x, b, BITSET64_WORDBITS - 1) | \
+ BITSET64_TEST_SUBRANGE(x, BITSET64_WORDBITS, e)))
+#define BITSET64_SET_SUBRANGE(x, b, e) \