Copyright | (c) 2014 Bryan O'Sullivan |
---|---|
License | BSD3 |
Safe Haskell | Safe-Inferred |
Language | Haskell2010 |
Statistics.Matrix.Mutable
Description
Basic mutable matrix operations.
Synopsis
- data MMatrix s = MMatrix !Int !Int !(MVector s)
- type MVector s = MVector s Double
- replicate :: Int -> Int -> Double -> ST s (MMatrix s)
- thaw :: Matrix -> ST s (MMatrix s)
- bounds :: MMatrix s -> Int -> Int -> (MVector s -> Int -> r) -> r
- unsafeNew :: Int -> Int -> ST s (MMatrix s)
- unsafeFreeze :: MMatrix s -> ST s Matrix
- unsafeRead :: MMatrix s -> Int -> Int -> ST s Double
- unsafeWrite :: MMatrix s -> Int -> Int -> Double -> ST s ()
- unsafeModify :: MMatrix s -> Int -> Int -> (Double -> Double) -> ST s ()
- immutably :: NFData a => MMatrix s -> (Matrix -> a) -> ST s a
- unsafeBounds :: MMatrix s -> Int -> Int -> (MVector s -> Int -> r) -> r
Documentation
Two-dimensional mutable matrix, stored in row-major order.
bounds :: MMatrix s -> Int -> Int -> (MVector s -> Int -> r) -> r Source #
Given row and column numbers, calculate the offset into the flat row-major vector.
Arguments
:: Int | Number of row |
-> Int | Number of columns |
-> ST s (MMatrix s) |
Allocate new matrix. Matrix content is not initialized hence unsafe.
unsafeFreeze :: MMatrix s -> ST s Matrix Source #
unsafeRead :: MMatrix s -> Int -> Int -> ST s Double Source #
unsafeWrite :: MMatrix s -> Int -> Int -> Double -> ST s () Source #
unsafeModify :: MMatrix s -> Int -> Int -> (Double -> Double) -> ST s () Source #
unsafeBounds :: MMatrix s -> Int -> Int -> (MVector s -> Int -> r) -> r Source #
Given row and column numbers, calculate the offset into the flat row-major vector, without checking.