19 Diagnostics library [diagnostics]

19.2 Exception classes [std.exceptions]

19.2.8 Class overflow_error [overflow.error]

namespace std {
  class overflow_error : public runtime_error {
  public:
    explicit overflow_error(const string& what_arg);
    explicit overflow_error(const char* what_arg);
  };
}

The class overflow_error defines the type of objects thrown as exceptions to report an arithmetic overflow error.

overflow_error(const string& what_arg);

Effects: Constructs an object of class overflow_error.

Postcondition: strcmp(what(), what_arg.c_str()) == 0.

overflow_error(const char* what_arg);

Effects: Constructs an object of class overflow_error.

Postcondition: strcmp(what(), what_arg) == 0.