# Types

## Problem

```@meta
CurrentModule = Sparspak.SpkProblem
```

```@docs
Problem{IT, FT}
```

## Sparse LU Solver

```@meta
CurrentModule = Sparspak.SpkSparseSolver
```

```@docs
SparseSolver{IT, FT}
```

## Elimination Trees

```@meta
CurrentModule = Sparspak.SpkETree
```

```@docs
ETree{IT}
```

## Graphs

```@meta
CurrentModule = Sparspak.SpkGraph
```

```@docs
Graph{IT}
```

## Ordering

```@meta
CurrentModule = Sparspak.SpkOrdering
```

```@docs
Ordering{IT}
```

## Grid

```@meta
CurrentModule = Sparspak.SpkGrid
```

```@docs
Grid{IT}
```
