Copyright | (c) Edward Kmett 2010-2014 |
---|---|

License | BSD3 |

Maintainer | ekmett@gmail.com |

Stability | experimental |

Portability | GHC only |

Safe Haskell | None |

Language | Haskell2010 |

# AD modes

class (Num t, Num (Scalar t)) => Mode t where Source

isKnownConstant :: t -> Bool Source

allowed to return False for items with a zero derivative, but we'll give more NaNs than strictly necessary

isKnownZero :: t -> Bool Source

allowed to return False for zero, but we give more NaN's than strictly necessary then

Embed a constant

(*^) :: Scalar t -> t -> t infixr 7 Source

Scalar-vector multiplication

(^*) :: t -> Scalar t -> t infixl 7 Source

Vector-scalar multiplication

(^/) :: Fractional (Scalar t) => t -> Scalar t -> t infixr 7 Source

Scalar division

`zero`

=`lift`

0

Mode Double | |

Mode Float | |

Mode Int | |

Mode Int8 | |

Mode Int16 | |

Mode Int32 | |

Mode Int64 | |

Mode Integer | |

Mode Word | |

Mode Word8 | |

Mode Word16 | |

Mode Word32 | |

Mode Word64 | |

Mode Natural | |

Mode ForwardDouble | |

Integral a => Mode (Ratio a) | |

RealFloat a => Mode (Complex a) | |

Num a => Mode (Id a) | |

Num a => Mode (Tower a) | |

Num a => Mode (Sparse a) | |

(Mode t, Mode (Scalar t)) => Mode (On t) | |

Num a => Mode (Kahn a) | |

Num a => Mode (Forward a) | |

(Num a, Traversable f) => Mode (Dense f a) | |

Mode a => Mode (AD s a) | |

(Reifies * s Tape, Num a) => Mode (Reverse s a) | |

(Mode a, Mode b, Chosen s, (~) * (Scalar a) (Scalar b)) => Mode (Or s a b) |