double_int double_int_divmod (double_int, double_int, bool, unsigned, double_int *);
double_int double_int_sdivmod (double_int, double_int, unsigned, double_int *);
double_int double_int_udivmod (double_int, double_int, unsigned, double_int *);
+double_int double_int_setbit (double_int, unsigned);
/* Logical operations. */
static inline double_int