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+// Functions for small integer arithmetic
+
+bool mp_small_int_mul_overflow(machine_int_t x, machine_int_t y);
+machine_int_t mp_small_int_modulo(machine_int_t dividend, machine_int_t divisor);
+machine_int_t mp_small_int_floor_divide(machine_int_t num, machine_int_t denom);