Add more diagnostics

Author: mborland

include/boost/int128/numeric.hpp

@@ -198,16 +198,21 @@ inline int128_t mul_sat<true>(const int128_t x, const int128_t y) noexcept
 
     if ((x_bits + y_bits) > std::numeric_limits<int128_t>::digits)
     {
+        std::cout << "X: " << x << '\n'
+        << "Y: " << y << std::endl;
         if ((x < 0) != (y < 0))
         {
+            std::cout << "Min Value Return: " << std::numeric_limits<int128_t>::min() << std::endl;
             return std::numeric_limits<int128_t>::min();
         }
         else
         {
+            std::cout << "Max Value Return: " << std::numeric_limits<int128_t>::max() << std::endl;
             return std::numeric_limits<int128_t>::max();
         }
     }
     const int128_t res {x * y};
+    std::cout << "Func x: " << x << ", Func y: " << y << std::endl;
     std::cout << "x * y: " << res << std::endl;
     return res;
 }