# std::subtract_with_carry_engine::discard

From cppreference.com

< cpp | numeric | random | subtract with carry engine

void discard( unsigned long long z ); |
(since C++11) | |

Advances the internal state by `z`

times. Equivalent to calling operator() `z`

times and discarding the result

## Contents |

### [edit] Parameters

z | - | integer value specifying the number of times to advance the state by |

### [edit] Return value

(none)

### [edit] Complexity

This section is incomplete |

### [edit] Notes

For some engines, "fast jump" algorithms are known, which advancing the state by many steps (order of millions) without calculating intermediate state transitions.

### [edit] See also

advances the engine's state and returns the generated value (public member function) |