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# std::underflow_error

From cppreference.com
< cpp‎ | error

Defined in header `<stdexcept>` |  |
class underflow_error; |  |

Defines a type of object to be thrown as exception. It reports errors that arise because integer value in some computation could not be represented as it had too large negative value. If the value has floating point type, std::range_error should be used.

Inheritance diagram

### [edit] Member functions

(constructor) | constructs the exception object (public member function) [edit]

[edit]

# std::underflow_error::underflow_error

explicit underflow_error( const std::string& what_arg ); | (1) |
explicit underflow_error( const char* what_arg ); | (2) | (since C++11)

Constructs the exception object with `what_arg` as explanatory string that can be accessed through what().

### Parameters

what_arg | - | explanatory string

### Exceptions

(none)

## Inherited from std::exception

### Member functions

(destructor) [virtual] | destructs the exception object (virtual public member function of `std::exception`) [edit]
what [virtual] | returns an explanatory string (virtual public member function of `std::exception`) [edit]

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