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1. sumOf :: forall k a (is :: IxList) s . (Is k A_Fold, Num a) => Optic' k is s a -> s -> a

   optics-core	Optics.Fold

   Calculate the Sum of every number targeted by a Fold.

   >>> sumOf each (5,6)
   11
   
   >>> sumOf folded [1,2,3,4]
   10
   
   >>> sumOf (folded % each) [(1,2),(3,4)]
   10
   

   sum ≡ sumOf folded
   

   This operation may be more strict than you would expect. If you want a lazier version use \o -> getSum . foldMapOf o Sum

2. summing :: forall k l (is :: IxList) s a (js :: IxList) . (Is k A_Fold, Is l A_Fold) => Optic' k is s a -> Optic' l js s a -> Fold s a

   optics-core	Optics.Fold

   Return entries of the first Fold, then the second one.

   >>> toListOf (_1 % ix 0 `summing` _2 % ix 1) ([1,2], [4,7,1])
   [1,7]
   

   For the traversal version see adjoin.

3. sumElements :: Container c e => c e -> e

   hmatrix	Numeric.LinearAlgebra

   the sum of elements

4. summary_ :: Term arg result => arg -> result

   lucid	Lucid.Html5

   summary element or summary attribute

5. sumProbabilities :: DiscreteDistr d => d -> Int -> Int -> Double

   statistics	Statistics.Distribution

   Sum probabilities in inclusive interval.

6. sumF :: Foldable f => f Double -> Double

   statistics	Statistics.Sample.Internal

   No documentation available.

7. sumOf :: Num a => Getting (Endo (Endo a)) s a -> s -> a

   diagrams-lib	Diagrams.Prelude

   Calculate the Sum of every number targeted by a Fold.

   >>> sumOf both (5,6)
   11
   
   >>> sumOf folded [1,2,3,4]
   10
   
   >>> sumOf (folded.both) [(1,2),(3,4)]
   10
   
   >>> import Data.Data.Lens
   
   >>> sumOf biplate [(1::Int,[]),(2,[(3::Int,4::Int)])] :: Int
   10
   

   sum ≡ sumOf folded
   

   This operation may be more strict than you would expect. If you want a lazier version use ala Sum . foldMapOf

   sumOf _1 :: Num a => (a, b) -> a
   sumOf (folded . _1) :: (Foldable f, Num a) => f (a, b) -> a
   

   sumOf :: Num a => Getter s a     -> s -> a
   sumOf :: Num a => Fold s a       -> s -> a
   sumOf :: Num a => Lens' s a      -> s -> a
   sumOf :: Num a => Iso' s a       -> s -> a
   sumOf :: Num a => Traversal' s a -> s -> a
   sumOf :: Num a => Prism' s a     -> s -> a
   

8. sumPowerSeries :: Double -> Sequence Double -> Double

   math-functions	Numeric.Series

   Calculate sum of series <math> Calculation is stopped when next value in series is less than ε·sum.

9. sumSeries :: Sequence Double -> Double

   math-functions	Numeric.Series

   Calculate sum of series <math> Summation is stopped when <math> where ε is machine precision (m_epsilon)

10. sumVector :: (Vector v Double, Summation s) => (s -> Double) -> v Double -> Double

    math-functions	Numeric.Sum

    O(n) Sum a vector of values.

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