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Convert FSharpUnitTests to NUnit + latest FSUnit

v2
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. 8
      src/FSharpUnitTests/BigRationalTests.fs
  3. 51
      src/FSharpUnitTests/DenseMatrixTests.fs
  4. 35
      src/FSharpUnitTests/DenseVectorTests.fs
  5. 12
      src/FSharpUnitTests/FSharpUnitTests.fsproj
  6. 314
      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>

8
src/FSharpUnitTests/BigRationalTests.fs
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@ -332,14 +332,6 @@ type BigNumType() =
Assert.AreEqual(g_zero.ToString(),"0") Assert.AreEqual(g_zero.ToString(),"0")
Assert.AreEqual(g_normal.ToString(),"88") 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 // Static methods
[<Test>] [<Test>]
member this.Abs() = 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> <ProductVersion>8.0.30703</ProductVersion>
<SchemaVersion>2.0</SchemaVersion> <SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{f2f8032b-a31d-4e33-a05e-f2cdcbfaa75d}</ProjectGuid> <ProjectGuid>{f2f8032b-a31d-4e33-a05e-f2cdcbfaa75d}</ProjectGuid>
<OutputType>Exe</OutputType> <OutputType>Library</OutputType>
<RootNamespace>FSharpUnitTests</RootNamespace> <RootNamespace>FSharpUnitTests</RootNamespace>
<AssemblyName>MathNet.Numerics.FSharp.UnitTests</AssemblyName> <AssemblyName>MathNet.Numerics.FSharp.UnitTests</AssemblyName>
<TargetFrameworkVersion>v4.0</TargetFrameworkVersion> <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'))" /> <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> <ItemGroup>
<Compile Include="FsUnit.fs" /> <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="Utilities.fs" />
<Compile Include="BigRationalTests.fs" /> <Compile Include="BigRationalTests.fs" />
<Compile Include="RandomVariableTests.fs" /> <Compile Include="RandomVariableTests.fs" />
<Compile Include="PokerTests.fs" /> <Compile Include="PokerTests.fs" />
<Compile Include="Program.fs" />
<None Include="App.config">
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
</None>
<None Include="packages.config" /> <None Include="packages.config" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>

314
src/FSharpUnitTests/FsUnit.fs
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@ -1,244 +1,70 @@
(* module FsUnit
Copyright (c) 2008, Raymond W. Vernagus (R.Vernagus@gmail.com) open NUnit.Framework
All rights reserved. open NUnit.Framework.Constraints
Redistribution and use in source and binary forms, with or without modification, let should (f : 'a -> #Constraint) x (y : obj) =
are permitted provided that the following conditions are met: let c = f x
let y =
* Redistributions of source code must retain the above copyright notice, match y with
this list of conditions and the following disclaimer. | :? (unit -> unit) -> box (TestDelegate(y :?> unit -> unit))
* Redistributions in binary form must reproduce the above copyright notice, | _ -> y
this list of conditions and the following disclaimer in the documentation Assert.That(y, c)
and/or other materials provided with the distribution.
* Neither the name of Raymond W. Vernagus nor the names of FsUnit's let equal x = EqualConstraint(x)
contributors may be used to endorse or promote products derived from this
software without specific prior written permission. let equalWithin tolerance x = equal(x).Within tolerance
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND let contain x = ContainsConstraint(x)
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE let haveLength n = Has.Length.EqualTo(n)
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL let haveCount n = Has.Count.EqualTo(n)
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER let be = id
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 let Null = NullConstraint()
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*) let Empty = EmptyConstraint()
namespace FsUnit
let EmptyString = EmptyStringConstraint()
open MathNet.Numerics
open MathNet.Numerics.LinearAlgebra.Double let NullOrEmptyString = NullOrEmptyStringConstraint()
open MathNet.Numerics.LinearAlgebra.Generic
let True = TrueConstraint()
type Result =
| Pass let False = FalseConstraint()
| Fail of string
| Error of string let sameAs x = SameAsConstraint(x)
type Expectation = let throw = Throws.TypeOf
| True
| False let greaterThan x = GreaterThanConstraint(x)
| Empty
| NullOrEmpty let greaterThanOrEqualTo x = GreaterThanOrEqualConstraint(x)
| Null
| SameAs of obj let lessThan x = LessThanConstraint(x)
type Spec = let lessThanOrEqualTo x = LessThanOrEqualConstraint(x)
abstract Check : unit -> Result
abstract NegatedMessage : string let shouldFail (f : unit -> unit) =
TestDelegate(f) |> should throw typeof<AssertionException>
[<AutoOpen>]
module SpecOps = let endWith (s:string) = EndsWithConstraint s
let internal safeCheck f =
try let startWith (s:string) = StartsWithConstraint s
f()
with ex -> Error (ex.ToString()) let ofExactType<'a> = ExactTypeConstraint(typeof<'a>)
let make f nmsg = let instanceOfType<'a> = InstanceOfTypeConstraint(typeof<'a>)
{ new Spec with
member this.Check() = safeCheck f let NaN = NaNConstraint()
member this.NegatedMessage = nmsg }
let unique = UniqueItemsConstraint()
let check (s: Spec) = s.Check()
let not' x = NotConstraint(x)
let not' f x =
let s = f x let array_equal = equal
match check s with let array2_equal = equal
| Pass -> make (fun () -> Fail s.NegatedMessage) "" let approximately_equal tolerance = equalWithin (10.0 ** (float -tolerance))
| Fail msg -> make (fun () -> Pass) msg let approximately_vector_equal = approximately_equal
| Error msg -> make (fun () -> Error msg) msg let approximately_matrix_equal = approximately_equal
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()
[<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)

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
View File

@ -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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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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