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Convert FSharpUnitTests to NUnit + latest FSUnit

pull/61/head
Gustavo Guerra 14 years ago
parent
205c770c5c
commit
1e7c60cb8e
11 changed files with 425 additions and 485 deletions
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  1. 6
      src/FSharpUnitTests/App.config
  2. 10
      src/FSharpUnitTests/BigRationalTests.fs
  3. 51
      src/FSharpUnitTests/DenseMatrixTests.fs
  4. 35
      src/FSharpUnitTests/DenseVectorTests.fs
  5. 12
      src/FSharpUnitTests/FSharpUnitTests.fsproj
  6. 310
      src/FSharpUnitTests/FsUnit.fs
  7. 112
      src/FSharpUnitTests/MatrixTests.fs
  8. 223
      src/FSharpUnitTests/Program.fs
  9. 27
      src/FSharpUnitTests/SparseMatrixTests.fs
  10. 21
      src/FSharpUnitTests/SparseVectorTests.fs
  11. 103
      src/FSharpUnitTests/VectorTests.fs

6
src/FSharpUnitTests/App.config
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@ -1,6 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0" />
</startup>
</configuration>

10
src/FSharpUnitTests/BigRationalTests.fs
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@ -331,15 +331,7 @@ type BigNumType() =
"1000000000000000000000000000000000018")
Assert.AreEqual(g_zero.ToString(),"0")
Assert.AreEqual(g_normal.ToString(),"88")
[<Test; Ignore("Bug 5286 - Differences between CLR 2.0 BigInt and CLR 4.0 BigInt")>]
member this.System_Object_GetHashCode() =
Assert.AreEqual(g_negative1.GetHashCode(),1210897093)
Assert.AreEqual(g_normal.GetHashCode(),89)
Assert.AreEqual(g_zero.GetHashCode(),1)
()
// Static methods
[<Test>]
member this.Abs() =

51
src/FSharpUnitTests/DenseMatrixTests.fs
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@ -0,0 +1,51 @@
namespace MathNet.Numerics.Tests
open NUnit.Framework
open FsUnit
open MathNet.Numerics.LinearAlgebra.Generic
open MathNet.Numerics.LinearAlgebra.Double
/// Unit tests for the dense matrix type.
module DenseMatrixTests =
/// A small uniform vector.
let smallM = new DenseMatrix( Array2D.create 2 2 0.3 )
/// A large vector with increasingly large entries
let largeM = new DenseMatrix( Array2D.init 100 100 (fun i j -> float i * 100.0 + float j) )
[<Test>]
let ``DenseMatrix.init`` () =
DenseMatrix.init 100 100 (fun i j -> float i * 100.0 + float j) |> should equal largeM
[<Test>]
let ``DenseMatrix.ofList`` () =
DenseMatrix.ofList [[0.3;0.3];[0.3;0.3]] |> should equal smallM
[<Test>]
let ``DenseMatrix.ofSeq`` () =
DenseMatrix.ofSeq (Seq.ofList [[0.3;0.3];[0.3;0.3]]) |> should equal smallM
[<Test>]
let ``DenseMatrix.ofArray2`` () =
DenseMatrix.ofArray2 (Array2D.create 2 2 0.3) |> should equal smallM
[<Test>]
let ``DenseMatrix.initDense`` () =
DenseMatrix.initDense 100 100 (seq { for i in 0 .. 99 do
for j in 0 .. 99 -> (i,j, float i * 100.0 + float j)}) |> should equal largeM
[<Test>]
let ``DenseMatrix.constDiag`` () =
DenseMatrix.constDiag 100 2.0 |> should equal (2.0 * (DenseMatrix.Identity 100))
[<Test>]
let ``DenseMatrix.diag`` () =
DenseMatrix.diag (new DenseVector(100, 2.0)) |> should equal (2.0 * (DenseMatrix.Identity 100))
[<Test>]
let ``DenseMatrix.init_row`` () =
DenseMatrix.initRow 100 100 (fun i -> (DenseVector.init 100 (fun j -> float i * 100.0 + float j))) |> should equal largeM
[<Test>]
let ``DenseMatrix.init_col`` () =
DenseMatrix.initCol 100 100 (fun j -> (DenseVector.init 100 (fun i -> float i * 100.0 + float j))) |> should equal largeM

35
src/FSharpUnitTests/DenseVectorTests.fs
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@ -0,0 +1,35 @@
namespace MathNet.Numerics.Tests
open NUnit.Framework
open FsUnit
open MathNet.Numerics.LinearAlgebra.Generic
open MathNet.Numerics.LinearAlgebra.Double
/// Unit tests for the dense vector type.
module DenseVectorTests =
/// A small uniform vector.
let smallv = new DenseVector(5, 0.3 )
/// A large vector with increasingly large entries
let largev = new DenseVector( Array.init 100 (fun i -> float i / 100.0) )
[<Test>]
let ``DenseVector.init`` () =
DenseVector.init 100 (fun i -> float i / 100.0) |> should equal largev
[<Test>]
let ``DenseVector.ofList`` () =
DenseVector.ofList [ for i in 0 .. 99 -> float i / 100.0 ] |> should equal largev
[<Test>]
let ``DenseVector.ofSeq`` () =
DenseVector.ofSeq (seq { for i in 0 .. 99 -> float i / 100.0 }) |> should equal largev
[<Test>]
let ``DenseVector.rangef`` () =
DenseVector.rangef 0.0 0.01 0.99 |> should equal (new DenseVector( [| for i in 0 .. 99 -> 0.01 * float i |] ) )
[<Test>]
let ``DenseVector.range`` () =
DenseVector.range 0 99 |> should equal (new DenseVector( [| for i in 0 .. 99 -> float i |] ) )

12
src/FSharpUnitTests/FSharpUnitTests.fsproj
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@ -6,7 +6,7 @@
<ProductVersion>8.0.30703</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{f2f8032b-a31d-4e33-a05e-f2cdcbfaa75d}</ProjectGuid>
<OutputType>Exe</OutputType>
<OutputType>Library</OutputType>
<RootNamespace>FSharpUnitTests</RootNamespace>
<AssemblyName>MathNet.Numerics.FSharp.UnitTests</AssemblyName>
<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
@ -46,14 +46,16 @@
<Import Project="$(MSBuildExtensionsPath32)\FSharp\1.0\Microsoft.FSharp.Targets" Condition="(!Exists('$(MSBuildExtensionsPath32)\..\Microsoft SDKs\F#\3.0\Framework\v4.0\Microsoft.FSharp.Targets')) And (!Exists('$(MSBuildExtensionsPath32)\..\Microsoft F#\v4.0\Microsoft.FSharp.Targets')) And (Exists('$(MSBuildExtensionsPath32)\FSharp\1.0\Microsoft.FSharp.Targets'))" />
<ItemGroup>
<Compile Include="FsUnit.fs" />
<Compile Include="VectorTests.fs" />
<Compile Include="SparseVectorTests.fs" />
<Compile Include="DenseVectorTests.fs" />
<Compile Include="MatrixTests.fs" />
<Compile Include="SparseMatrixTests.fs" />
<Compile Include="DenseMatrixTests.fs" />
<Compile Include="Utilities.fs" />
<Compile Include="BigRationalTests.fs" />
<Compile Include="RandomVariableTests.fs" />
<Compile Include="PokerTests.fs" />
<Compile Include="Program.fs" />
<None Include="App.config">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
<None Include="packages.config" />
</ItemGroup>
<ItemGroup>

310
src/FSharpUnitTests/FsUnit.fs
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@ -1,244 +1,70 @@
(*
Copyright (c) 2008, Raymond W. Vernagus (R.Vernagus@gmail.com)
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of Raymond W. Vernagus nor the names of FsUnit's
contributors may be used to endorse or promote products derived from this
software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*)
namespace FsUnit
open MathNet.Numerics
open MathNet.Numerics.LinearAlgebra.Double
open MathNet.Numerics.LinearAlgebra.Generic
type Result =
| Pass
| Fail of string
| Error of string
type Expectation =
| True
| False
| Empty
| NullOrEmpty
| Null
| SameAs of obj
type Spec =
abstract Check : unit -> Result
abstract NegatedMessage : string
[<AutoOpen>]
module SpecOps =
let internal safeCheck f =
try
f()
with ex -> Error (ex.ToString())
let make f nmsg =
{ new Spec with
member this.Check() = safeCheck f
member this.NegatedMessage = nmsg }
let check (s: Spec) = s.Check()
let not' f x =
let s = f x
match check s with
| Pass -> make (fun () -> Fail s.NegatedMessage) ""
| Fail msg -> make (fun () -> Pass) msg
| Error msg -> make (fun () -> Error msg) msg
let equal expected actual =
make (fun () ->
if actual.Equals(expected)
then Pass
else Fail (sprintf "Expected: %A\nActual: %A" expected actual))
(sprintf "NOT Expected: %A\nActual: %A" expected actual)
let have n lbl s =
make (fun() ->
let len = Seq.length s
if len = n
then Pass
else Fail (sprintf "Expected: %d %s\nActual: %d %s" n lbl len lbl))
(sprintf "NOT Expected: %d %s\nActual: %d %s" n lbl n lbl)
let contain x s =
make (fun () ->
let exists = s |> Seq.exists (fun x' -> x' = x)
if exists
then Pass
else Fail (sprintf "Expected %A to contain %A" s x))
(sprintf "Did NOT expect %A to contain %A" s x)
let raise'<'a when 'a :> System.Exception> f =
let expType = typeof<'a>
make (fun () ->
try
f()
Fail (sprintf "Expected %s but no exception was raised" expType.FullName)
with ex ->
let actualExType = ex.GetType()
if expType = actualExType
then Pass
else Fail (sprintf "Expected: %s\nActual: %s" expType.FullName actualExType.FullName))
(sprintf "Did NOT expect %s to be raised" expType.FullName)
let be expectation x =
let x = box x
let msg = sprintf "Expected: %A\nActual: %A" expectation x
let negmsg = sprintf "NOT Expected: %A\nActual: %A" expectation x
match expectation with
| True ->
make (fun () ->
if x = box true
then Pass
else Fail msg)
negmsg
| False ->
make (fun () ->
if x = box false
then Pass
else Fail msg)
negmsg
| Empty ->
make (fun () ->
if x = box System.String.Empty
then Pass
else Fail msg)
negmsg
| NullOrEmpty ->
make (fun () ->
if System.String.IsNullOrEmpty(x :?> string)
then Pass
else Fail msg)
negmsg
| Null ->
make (fun () ->
if x = null
then Pass
else Fail msg)
negmsg
| SameAs other ->
make (fun () ->
if System.Object.ReferenceEquals(x, other)
then Pass
else Fail (sprintf "Expected actual to be same reference as expected %A" other))
(sprintf "Expected %A to have different reference than %A" x other)
let array_equal (expected: float []) (actual: float []) =
make (fun () ->
let mutable f = true
for i=0 to expected.Length-1 do
f <- f && (expected.[i] = actual.[i])
if f
then Pass
else Fail (sprintf "Expected: %A\nActual: %A" expected actual))
(sprintf "NOT Expected: %A\nActual: %A" expected actual)
let array2_equal (expected: float [,]) (actual: float [,]) =
make (fun () ->
let mutable f = true
for i=0 to expected.GetLength(0)-1 do
for j=0 to expected.GetLength(1)-1 do
f <- f && (expected.[i,j] = actual.[i,j])
if f
then Pass
else Fail (sprintf "Expected: %A\nActual: %A" expected actual))
(sprintf "NOT Expected: %A\nActual: %A" expected actual)
let approximately_equal (places : int) (expected: float) (actual: float) =
make (fun () ->
if Precision.AlmostEqualInDecimalPlaces(actual, expected, places)
then Pass
else Fail (sprintf "Expected: %A\nActual: %A" expected actual))
(sprintf "NOT Expected: %A\nActual: %A" expected actual)
let approximately_vector_equal (places : int) (expected: #Vector<float>) (actual: #Vector<float>) =
make (fun () ->
let mutable f = true
for i=0 to expected.Count-1 do
f <- f && Precision.AlmostEqualInDecimalPlaces(expected.[i], actual.[i], places)
if f
then Pass
else Fail (sprintf "Expected: %A\nActual: %A" expected actual))
(sprintf "NOT Expected: %A\nActual: %A" expected actual)
let approximately_matrix_equal (places : int) (expected: #Matrix<float>) (actual: #Matrix<float>) =
make (fun () ->
let mutable f = true
for i=0 to expected.RowCount-1 do
for j=0 to expected.ColumnCount-1 do
f <- f && Precision.AlmostEqualInDecimalPlaces(expected.[i,j], actual.[i,j], places)
if f
then Pass
else Fail (sprintf "Expected: %A\nActual: %A" expected actual))
(sprintf "NOT Expected: %A\nActual: %A" expected actual)
module Results =
open Microsoft.FSharp.Text
let internal currentResults = new ResizeArray<string * Result>()
let add = currentResults.Add
let passedCount () =
currentResults
|> Seq.filter (function _,Pass -> true | _ -> false)
|> Seq.length
let failed () =
currentResults
|> Seq.filter (function _,Fail _ -> true | _ -> false)
let failedCount () =
failed()
|> Seq.length
let erred () =
currentResults
|> Seq.filter (function _,Error _ -> true | _ -> false)
let erredCount () =
erred()
|> Seq.length
let summary () =
let buff = new System.Text.StringBuilder()
buff.AppendFormat("{0} passed.\n{1} failed.\n{2} erred.", passedCount(), failedCount(), erredCount()) |> ignore
failed()
|> Seq.iter (function (lbl,Fail msg) -> buff.AppendFormat("\n----\nFailed: {0}\n{1}", lbl, msg) |> ignore | _ -> ())
erred()
|> Seq.iter (function (lbl,Error msg) -> buff.AppendFormat("\n----\nErred: {0}\n{1}", lbl, msg) |> ignore | _ -> ())
buff.ToString()
module FsUnit
open NUnit.Framework
open NUnit.Framework.Constraints
let should (f : 'a -> #Constraint) x (y : obj) =
let c = f x
let y =
match y with
| :? (unit -> unit) -> box (TestDelegate(y :?> unit -> unit))
| _ -> y
Assert.That(y, c)
let equal x = EqualConstraint(x)
[<AutoOpen>]
module SpecHelpers =
let spec lbl s = (lbl, check s)
let should f x = f x
let specs lbl (results: seq<string * Result>) =
results |> Seq.iter (fun x -> Results.add x)
let equalWithin tolerance x = equal(x).Within tolerance
let contain x = ContainsConstraint(x)
let haveLength n = Has.Length.EqualTo(n)
let haveCount n = Has.Count.EqualTo(n)
let be = id
let Null = NullConstraint()
let Empty = EmptyConstraint()
let EmptyString = EmptyStringConstraint()
let NullOrEmptyString = NullOrEmptyStringConstraint()
let True = TrueConstraint()
let False = FalseConstraint()
let sameAs x = SameAsConstraint(x)
let throw = Throws.TypeOf
let greaterThan x = GreaterThanConstraint(x)
let greaterThanOrEqualTo x = GreaterThanOrEqualConstraint(x)
let lessThan x = LessThanConstraint(x)
let lessThanOrEqualTo x = LessThanOrEqualConstraint(x)
let shouldFail (f : unit -> unit) =
TestDelegate(f) |> should throw typeof<AssertionException>
let endWith (s:string) = EndsWithConstraint s
let startWith (s:string) = StartsWithConstraint s
let ofExactType<'a> = ExactTypeConstraint(typeof<'a>)
let instanceOfType<'a> = InstanceOfTypeConstraint(typeof<'a>)
let NaN = NaNConstraint()
let unique = UniqueItemsConstraint()
let not' x = NotConstraint(x)
let array_equal = equal
let array2_equal = equal
let approximately_equal tolerance = equalWithin (10.0 ** (float -tolerance))
let approximately_vector_equal = approximately_equal
let approximately_matrix_equal = approximately_equal

112
src/FSharpUnitTests/MatrixTests.fs
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@ -0,0 +1,112 @@
namespace MathNet.Numerics.Tests
open NUnit.Framework
open FsUnit
open MathNet.Numerics.LinearAlgebra.Generic
open MathNet.Numerics.LinearAlgebra.Double
/// Unit tests for the matrix type.
module MatrixTests =
/// A small uniform vector.
let smallM = new DenseMatrix( Array2D.create 2 2 0.3 )
let failingFoldBackM = DenseMatrix.init 2 3 (fun i j -> 1.0)
/// A large vector with increasingly large entries
let largeM = new DenseMatrix( Array2D.init 100 100 (fun i j -> float i * 100.0 + float j) )
[<Test>]
let ``Matrix.fold`` () =
Matrix.fold (fun a b -> a - b) 0.0 smallM |> should equal -1.2
[<Test>]
let ``Matrix.foldBack`` () =
Matrix.foldBack (fun a b -> a - b) 0.0 smallM |> should equal 0.0
[<Test>]
let ``Matrix.foldBackSummation`` () =
Matrix.foldBack( fun a b -> a + b) 0.0 failingFoldBackM |> should equal 6.0
[<Test>]
let ``Matrix.foldi`` () =
Matrix.foldi (fun i j acc x -> acc + x + float (i+j)) 0.0 smallM |> should equal 5.2
[<Test>]
let ``Matrix.toArray2`` () =
Matrix.toArray2 smallM |> should array2_equal (Array2D.create 2 2 0.3)
[<Test>]
let ``Matrix.forall`` () =
Matrix.forall (fun x -> x = 0.3) smallM |> should equal true
[<Test>]
let ``Matrix.exists`` () =
Matrix.exists (fun x -> x = 0.5) smallM |> should equal false
[<Test>]
let ``Matrix.foralli`` () =
Matrix.foralli (fun i j x -> x = float i * 100.0 + float j) largeM |> should equal true
[<Test>]
let ``Matrix.existsi`` () =
Matrix.existsi (fun i j x -> x = float i * 100.0 + float j) largeM |> should equal true
[<Test>]
let ``Matrix.map`` () =
Matrix.map (fun x -> 2.0 * x) smallM |> should equal (2.0 * smallM)
[<Test>]
let ``Matrix.mapi`` () =
Matrix.mapi (fun i j x -> float i * 100.0 + float j + x) largeM |> should equal (2.0 * largeM)
[<Test>]
let ``Matrix.mapCols`` () =
Matrix.mapCols (fun j col -> col.Add(float j)) smallM |> should (approximately_matrix_equal 14) (matrix [[0.3;1.3];[0.3;1.3]])
[<Test>]
let ``Matrix.mapRows`` () =
Matrix.mapRows (fun i row -> row.Add(float i)) smallM |> should (approximately_matrix_equal 14) (matrix [[0.3;0.3];[1.3;1.3]])
[<Test>]
let ``Matrix.inplaceAssign`` () =
let N = smallM.Clone()
Matrix.inplaceAssign (fun i j -> 0.0) N
N |> should equal (0.0 * smallM)
[<Test>]
let ``Matrix.inplaceMapi`` () =
let N = largeM.Clone()
Matrix.inplaceMapi (fun i j x -> 2.0 * (float i * 100.0 + float j) + x) N
N |> should equal (3.0 * largeM)
[<Test>]
let ``Matrix.nonZeroEntries`` () =
Seq.length (Matrix.nonZeroEntries smallM) |> should equal 4
[<Test>]
let ``Matrix.sum`` () =
Matrix.sum smallM |> should equal 1.2
[<Test>]
let ``Matrix.sumColsBy`` () =
Matrix.sumColsBy (fun j col -> col.[0] * col.[1]) (matrix [[1.0; 2.0]; [3.0; 4.0]]) |> should equal 11.0
[<Test>]
let ``Matrix.sumRowsBy`` () =
Matrix.sumRowsBy (fun i row -> row.[0] * row.[1]) (matrix [[1.0; 2.0]; [3.0; 4.0]]) |> should equal 14.0
[<Test>]
let ``Matrix.foldCol`` () =
Matrix.foldCol (+) 0.0 largeM 0 |> should equal 495000.0
[<Test>]
let ``Matrix.foldRow`` () =
Matrix.foldRow (+) 0.0 largeM 0 |> should equal 4950.0
[<Test>]
let ``Matrix.foldByCol`` () =
Matrix.foldByCol (+) 0.0 smallM |> should equal (DenseVector.ofList [0.6;0.6] :> Vector<float>)
[<Test>]
let ``Matrix.foldByRow`` () =
Matrix.foldByRow (+) 0.0 smallM |> should equal (DenseVector.ofList [0.6;0.6] :> Vector<float>)

223
src/FSharpUnitTests/Program.fs
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@ -1,223 +0,0 @@
open FsUnit
open MathNet.Numerics.LinearAlgebra.Generic
open MathNet.Numerics.LinearAlgebra.Double
/// Unit tests for the dense vector type.
let DenseVectorTests =
/// A small uniform vector.
let smallv = new DenseVector(5, 0.3 )
/// A large vector with increasingly large entries
let largev = new DenseVector( Array.init 100 (fun i -> float i / 100.0) )
specs "DenseVector" [
spec "DenseVector.init"
(DenseVector.init 100 (fun i -> float i / 100.0) |> should equal largev)
spec "DenseVector.ofList"
(DenseVector.ofList [ for i in 0 .. 99 -> float i / 100.0 ] |> should equal largev)
spec "DenseVector.ofSeq"
(DenseVector.ofSeq (seq { for i in 0 .. 99 -> float i / 100.0 }) |> should equal largev)
spec "DenseVector.rangef"
(DenseVector.rangef 0.0 0.01 0.99 |> should equal (new DenseVector( [| for i in 0 .. 99 -> 0.01 * float i |] ) ))
spec "DenseVector.range"
(DenseVector.range 0 99 |> should equal (new DenseVector( [| for i in 0 .. 99 -> float i |] ) ))
]
/// Unit tests for the sparse vector type.
let SparseVectorTests =
/// A small uniform vector.
let smallv = new DenseVector( [|0.0;0.3;0.0;0.0;0.0|] ) :> Vector<float>
specs "SparseVector" [
spec "SparseVector.ofList"
((SparseVector.ofList 5 [ (1,0.3) ] :> Vector<float>) |> should equal smallv)
spec "SparseVector.ofSeq"
((SparseVector.ofSeq 5 (List.toSeq [ (1,0.3) ]) :> Vector<float>) |> should equal smallv)
]
/// Unit tests for the vector type.
let VectorTests =
/// A small uniform vector.
let smallv = new DenseVector( [|0.3;0.3;0.3;0.3;0.3|] ) :> Vector<float>
/// A large vector with increasingly large entries
let largev = new DenseVector( Array.init 100 (fun i -> float i / 100.0) ) :> Vector<float>
specs "Vector" [
spec "Vector.toArray"
(Vector.toArray smallv |> should array_equal [|0.3;0.3;0.3;0.3;0.3|])
spec "Vector.toList"
(Vector.toList smallv |> should equal [0.3;0.3;0.3;0.3;0.3])
spec "Vector.mapInPlace"
( let w = smallv.Clone()
Vector.mapInPlace (fun x -> 2.0 * x) w
w |> should equal (2.0 * smallv))
spec "Vector.mapiInPlace"
( let w = largev.Clone()
Vector.mapiInPlace (fun i x -> float i / 100.0) w
w |> should equal (largev))
spec "Vector.addInPlace"
( let w = largev.Clone()
Vector.addInPlace w largev
w |> should equal (2.0 * largev))
spec "Vector.subInPlace"
( let w = largev.Clone()
Vector.subInPlace w largev
w |> should equal (0.0 * largev))
spec "Vector.map"
(Vector.map (fun x -> 2.0 * x) largev |> should equal (2.0 * largev))
spec "Vector.mapi"
(Vector.mapi (fun i x -> float i / 100.0) largev |> should equal largev)
spec "Vector.fold"
(Vector.fold (fun a b -> a - b) 0.0 smallv |> should equal -1.5)
spec "Vector.foldBack"
(Vector.foldBack (fun a b -> a - b) 0.0 smallv |> should equal 0.0)
spec "Vector.foldi"
(Vector.foldi (fun i a b -> a + b) 0.0 smallv |> should equal 1.5)
spec "Vector.forall"
(Vector.forall (fun x -> x = 0.3) smallv |> should equal true)
spec "Vector.exists"
(Vector.exists (fun x -> x = 0.3) smallv |> should equal true)
spec "Vector.foralli"
(Vector.foralli (fun i x -> x = 0.3 && i < 5) smallv |> should equal true)
spec "Vector.existsi"
(Vector.existsi (fun i x -> x = 0.3 && i = 2) smallv |> should equal true)
spec "Vector.scan"
(Vector.scan (fun acc x -> acc + x) smallv |> should approximately_vector_equal 14 (new DenseVector( [|0.3;0.6;0.9;1.2;1.5|] ) :> Vector<float>) )
spec "Vector.scanBack"
(Vector.scanBack (fun x acc -> acc + x) smallv |> should approximately_vector_equal 14 (new DenseVector( [|1.5;1.2;0.9;0.6;0.3|] ) :> Vector<float>) )
spec "Vector.reduce"
(Vector.reduce (fun acc x -> acc ** x) smallv |> should approximately_equal 14 0.990295218585507)
spec "Vector.reduceBack"
(Vector.reduceBack (fun x acc -> x ** acc) smallv |> should approximately_equal 14 0.488911287726319)
spec "Vector.insert"
(Vector.insert 2 0.5 smallv |> should approximately_vector_equal 14 (new DenseVector ( [|0.3;0.3;0.5;0.3;0.3;0.3|] ) :> Vector<float>) )
]
/// Unit tests for the matrix type.
let MatrixTests =
/// A small uniform vector.
let smallM = new DenseMatrix( Array2D.create 2 2 0.3 )
let failingFoldBackM = DenseMatrix.init 2 3 (fun i j -> 1.0)
/// A large vector with increasingly large entries
let largeM = new DenseMatrix( Array2D.init 100 100 (fun i j -> float i * 100.0 + float j) )
specs "Matrix" [
spec "Matrix.fold"
(Matrix.fold (fun a b -> a - b) 0.0 smallM |> should equal -1.2)
spec "Matrix.foldBack"
(Matrix.foldBack (fun a b -> a - b) 0.0 smallM |> should equal 0.0)
spec "Matrix.foldBackSummation"
(Matrix.foldBack( fun a b -> a + b) 0.0 failingFoldBackM |> should equal 6.0)
spec "Matrix.foldi"
(Matrix.foldi (fun i j acc x -> acc + x + float (i+j)) 0.0 smallM |> should equal 5.2)
spec "Matrix.toArray2"
(Matrix.toArray2 smallM |> should array2_equal (Array2D.create 2 2 0.3))
spec "Matrix.forall"
(Matrix.forall (fun x -> x = 0.3) smallM |> should equal true)
spec "Matrix.exists"
(Matrix.exists (fun x -> x = 0.5) smallM |> should equal false)
spec "Matrix.foralli"
(Matrix.foralli (fun i j x -> x = float i * 100.0 + float j) largeM |> should equal true)
spec "Matrix.existsi"
(Matrix.existsi (fun i j x -> x = float i * 100.0 + float j) largeM |> should equal true)
spec "Matrix.map"
(Matrix.map (fun x -> 2.0 * x) smallM |> should equal (2.0 * smallM))
spec "Matrix.mapi"
(Matrix.mapi (fun i j x -> float i * 100.0 + float j + x) largeM |> should equal (2.0 * largeM))
spec "Matrix.mapCols"
(Matrix.mapCols (fun j col -> col.Add(float j)) smallM |> should approximately_matrix_equal 14 (matrix [[0.3;1.3];[0.3;1.3]]))
spec "Matrix.mapRows"
(Matrix.mapRows (fun i row -> row.Add(float i)) smallM |> should approximately_matrix_equal 14 (matrix [[0.3;0.3];[1.3;1.3]]))
spec "Matrix.inplaceAssign"
( let N = smallM.Clone()
Matrix.inplaceAssign (fun i j -> 0.0) N
N |> should equal (0.0 * smallM))
spec "Matrix.inplaceMapi"
( let N = largeM.Clone()
Matrix.inplaceMapi (fun i j x -> 2.0 * (float i * 100.0 + float j) + x) N
N |> should equal (3.0 * largeM))
spec "Matrix.nonZeroEntries"
(Seq.length (Matrix.nonZeroEntries smallM) |> should equal 4)
spec "Matrix.sum"
(Matrix.sum smallM |> should equal 1.2)
spec "Matrix.sumColsBy"
(Matrix.sumColsBy (fun j col -> col.[0] * col.[1]) (matrix [[1.0; 2.0]; [3.0; 4.0]]) |> should equal 11.0)
spec "Matrix.sumRowsBy"
(Matrix.sumRowsBy (fun i row -> row.[0] * row.[1]) (matrix [[1.0; 2.0]; [3.0; 4.0]]) |> should equal 14.0)
spec "Matrix.foldCol"
(Matrix.foldCol (+) 0.0 largeM 0 |> should equal 495000.0)
spec "Matrix.foldRow"
(Matrix.foldRow (+) 0.0 largeM 0 |> should equal 4950.0)
spec "Matrix.foldByCol"
(Matrix.foldByCol (+) 0.0 smallM |> should equal (DenseVector.ofList [0.6;0.6] :> Vector<float>))
spec "Matrix.foldByRow"
(Matrix.foldByRow (+) 0.0 smallM |> should equal (DenseVector.ofList [0.6;0.6] :> Vector<float>))
]
/// Unit tests for the dense matrix type.
let DenseMatrixTests =
/// A small uniform vector.
let smallM = new DenseMatrix( Array2D.create 2 2 0.3 )
/// A large vector with increasingly large entries
let largeM = new DenseMatrix( Array2D.init 100 100 (fun i j -> float i * 100.0 + float j) )
specs "DenseMatrix" [
spec "DenseMatrix.init"
(DenseMatrix.init 100 100 (fun i j -> float i * 100.0 + float j) |> should equal largeM)
spec "DenseMatrix.ofList"
(DenseMatrix.ofList [[0.3;0.3];[0.3;0.3]] |> should equal smallM)
spec "DenseMatrix.ofSeq"
(DenseMatrix.ofSeq (Seq.ofList [[0.3;0.3];[0.3;0.3]]) |> should equal smallM)
spec "DenseMatrix.ofArray2"
(DenseMatrix.ofArray2 (Array2D.create 2 2 0.3) |> should equal smallM)
spec "DenseMatrix.initDense"
(DenseMatrix.initDense 100 100 (seq { for i in 0 .. 99 do
for j in 0 .. 99 -> (i,j, float i * 100.0 + float j)}) |> should equal largeM)
spec "DenseMatrix.constDiag"
(DenseMatrix.constDiag 100 2.0 |> should equal (2.0 * (DenseMatrix.Identity 100)))
spec "DenseMatrix.diag"
(DenseMatrix.diag (new DenseVector(100, 2.0)) |> should equal (2.0 * (DenseMatrix.Identity 100)))
spec "DenseMatrix.init_row"
(DenseMatrix.initRow 100 100 (fun i -> (DenseVector.init 100 (fun j -> float i * 100.0 + float j))) |> should equal largeM)
spec "DenseMatrix.init_col"
(DenseMatrix.initCol 100 100 (fun j -> (DenseVector.init 100 (fun i -> float i * 100.0 + float j))) |> should equal largeM)
]
/// Unit tests for the sparse matrix type.
let SparseMatrixTests =
/// A small uniform vector.
let smallM = DenseMatrix.init 4 4 (fun i j -> if i = 1 && j = 2 then 1.0 else 0.0) :> Matrix<float>
specs "SparseMatrix" [
spec "SparseMatrix.ofList"
((SparseMatrix.ofList 4 4 [(1,2,1.0)] :> Matrix<float>) |> should equal smallM)
spec "SparseMatrix.ofSeq"
((SparseMatrix.ofSeq 4 4 (Seq.ofList [(1,2,1.0)]) :> Matrix<float>) |> should equal smallM)
spec "SparseMatrix.constDiag"
(SparseMatrix.constDiag 100 2.0 |> should equal (2.0 * (SparseMatrix.Identity 100)))
spec "SparseMatrix.diag"
(SparseMatrix.diag (new DenseVector(100, 2.0)) |> should equal (2.0 * (SparseMatrix.Identity 100)))
]
/// Report on errors and success and exit.
printfn "F# Test Results:"
printfn "%s" (Results.summary())
let code = if Results.erredCount() > 0 || Results.failedCount() > 0 then -1 else 0;;
exit code;;

27
src/FSharpUnitTests/SparseMatrixTests.fs
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@ -0,0 +1,27 @@
namespace MathNet.Numerics.Tests
open NUnit.Framework
open FsUnit
open MathNet.Numerics.LinearAlgebra.Generic
open MathNet.Numerics.LinearAlgebra.Double
/// Unit tests for the sparse matrix type.
module SparseMatrixTests =
/// A small uniform vector.
let smallM = DenseMatrix.init 4 4 (fun i j -> if i = 1 && j = 2 then 1.0 else 0.0) :> Matrix<float>
[<Test>]
let ``SparseMatrix.ofList`` () =
(SparseMatrix.ofList 4 4 [(1,2,1.0)] :> Matrix<float>) |> should equal smallM
[<Test>]
let ``SparseMatrix.ofSeq`` () =
(SparseMatrix.ofSeq 4 4 (Seq.ofList [(1,2,1.0)]) :> Matrix<float>) |> should equal smallM
[<Test>]
let ``SparseMatrix.constDiag`` () =
SparseMatrix.constDiag 100 2.0 |> should equal (2.0 * (SparseMatrix.Identity 100))
[<Test>] let ``SparseMatrix.diag`` () =
SparseMatrix.diag (new DenseVector(100, 2.0)) |> should equal (2.0 * (SparseMatrix.Identity 100))

21
src/FSharpUnitTests/SparseVectorTests.fs
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@ -0,0 +1,21 @@
namespace MathNet.Numerics.Tests
open NUnit.Framework
open FsUnit
open MathNet.Numerics.LinearAlgebra.Generic
open MathNet.Numerics.LinearAlgebra.Double
/// Unit tests for the sparse vector type.
module SparseVectorTests =
/// A small uniform vector.
let smallv = new DenseVector( [|0.0;0.3;0.0;0.0;0.0|] ) :> Vector<float>
[<Test>]
let ``SparseVector.ofList`` () =
(SparseVector.ofList 5 [ (1,0.3) ] :> Vector<float>) |> should equal smallv
[<Test>]
let ``SparseVector.ofSeq`` () =
(SparseVector.ofSeq 5 (List.toSeq [ (1,0.3) ]) :> Vector<float>) |> should equal smallv

103
src/FSharpUnitTests/VectorTests.fs
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namespace MathNet.Numerics.Tests
open NUnit.Framework
open FsUnit
open MathNet.Numerics.LinearAlgebra.Generic
open MathNet.Numerics.LinearAlgebra.Double
/// Unit tests for the vector type.
module VectorTests =
/// A small uniform vector.
let smallv = new DenseVector([|0.3;0.3;0.3;0.3;0.3|]) :> Vector<float>
/// A large vector with increasingly large entries
let largev = new DenseVector(Array.init 100 (fun i -> float i / 100.0)) :> Vector<float>
[<Test>]
let ``Vector.toArray`` () =
Vector.toArray smallv |> should array_equal [|0.3;0.3;0.3;0.3;0.3|]
[<Test>]
let ``Vector.toList`` () =
Vector.toList smallv |> should equal [0.3;0.3;0.3;0.3;0.3]
[<Test>]
let ``Vector.mapInPlace`` () =
let w = smallv.Clone()
Vector.mapInPlace (fun x -> 2.0 * x) w
w |> should equal (2.0 * smallv)
[<Test>]
let ``Vector.mapiInPlace`` () =
let w = largev.Clone()
Vector.mapiInPlace (fun i x -> float i / 100.0) w
w |> should equal (largev)
[<Test>]
let ``Vector.addInPlace`` () =
let w = largev.Clone()
Vector.addInPlace w largev
w |> should equal (2.0 * largev)
[<Test>]
let ``Vector.subInPlace`` () =
let w = largev.Clone()
Vector.subInPlace w largev
w |> should equal (0.0 * largev)
[<Test>]
let ``Vector.map`` () =
Vector.map (fun x -> 2.0 * x) largev |> should equal (2.0 * largev)
[<Test>]
let ``Vector.mapi`` () =
Vector.mapi (fun i x -> float i / 100.0) largev |> should equal largev
[<Test>]
let ``Vector.fold`` () =
Vector.fold (fun a b -> a - b) 0.0 smallv |> should equal -1.5
[<Test>]
let ``Vector.foldBack`` () =
Vector.foldBack (fun a b -> a - b) 0.0 smallv |> should equal 0.0
[<Test>]
let ``Vector.foldi`` () =
Vector.foldi (fun i a b -> a + b) 0.0 smallv |> should equal 1.5
[<Test>]
let ``Vector.forall`` () =
Vector.forall (fun x -> x = 0.3) smallv |> should equal true
[<Test>]
let ``Vector.exists`` () =
Vector.exists (fun x -> x = 0.3) smallv |> should equal true
[<Test>]
let ``Vector.foralli`` () =
Vector.foralli (fun i x -> x = 0.3 && i < 5) smallv |> should equal true
[<Test>]
let ``Vector.existsi`` () =
Vector.existsi (fun i x -> x = 0.3 && i = 2) smallv |> should equal true
[<Test>]
let ``Vector.scan`` () =
Vector.scan (fun acc x -> acc + x) smallv |> should (approximately_vector_equal 14) (new DenseVector( [|0.3;0.6;0.9;1.2;1.5|] ) :> Vector<float>)
[<Test>]
let ``Vector.scanBack`` () =
Vector.scanBack (fun x acc -> acc + x) smallv |> should (approximately_vector_equal 14) (new DenseVector( [|1.5;1.2;0.9;0.6;0.3|] ) :> Vector<float>)
[<Test>]
let ``Vector.reduce`` () =
Vector.reduce (fun acc x -> acc ** x) smallv |> should (approximately_equal 14) 0.990295218585507
[<Test>]
let ``Vector.reduceBack`` () =
Vector.reduceBack (fun x acc -> x ** acc) smallv |> should (approximately_equal 14) 0.488911287726319
[<Test>]
let ``Vector.insert`` () =
Vector.insert 2 0.5 smallv |> should (approximately_vector_equal 14) (new DenseVector ( [|0.3;0.3;0.5;0.3;0.3;0.3|] ) :> Vector<float>)
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