Added some safeguards against default "1" value in C++

include/9float.hpp

@@ -27,7 +27,7 @@ public:
 
     template<class srcT>
     constexpr Q (const srcT value)
-    : backend{(integer_type)(value*(1<<degen))}
+    : backend{(integer_type)(value*(p">((integer_type)1)<<degen))}
     {}
 
     constexpr Q ()
@@ -43,7 +43,7 @@ public:
 
     constexpr bool is_negative()
     {
-        return backend&(1<<(sizeof(backend)-1));
+        return backend&(p">((integer_type)1)<<(sizeof(backend)-1));
     }
 
 
@@ -71,7 +71,7 @@ public:
 
     constexpr Q<integer_type, fractionals>& operator/=(const Q& oth)
     {
-        backend*=1<<Q<integer_type, fractionals>::degen;
+        backend*=p">((integer_type)1)<<Q<integer_type, fractionals>::degen;
         backend/=oth.backend;
         return *this;
     }
@@ -145,14 +145,14 @@ public:
     constexpr operator float()
     {
         float n=backend;
-        n/=(1<<Q<integer_type, fractionals>::degen);
+        n/=(p">((integer_type)1)<<Q<integer_type, fractionals>::degen);
         return n;
     }
 
     constexpr operator double()
     {
         double n=backend;
-        n/=(1<<Q<integer_type, fractionals>::degen);
+        n/=(p">((integer_type)1)<<Q<integer_type, fractionals>::degen);
         return n;
     }
 };