Opentk/tests/OpenTK.Tests/Generators.fs

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namespace OpenTK.Tests
open Xunit
open FsCheck
open FsCheck.Xunit
open System
open OpenTK
[<AutoOpen>]
module private Generators =
let private isValidFloat f = not (Single.IsNaN f || Single.IsInfinity f || Single.IsInfinity (f * f) || f = Single.MinValue || f = Single.MaxValue )
let private isValidDouble d = not (Double.IsNaN d || Double.IsInfinity d || Double.IsInfinity (d * d)|| d = Double.MinValue || d = Double.MaxValue)
let singleArb = Arb.Default.Float32() |> Arb.toGen |> Gen.filter isValidFloat
let single = singleArb |> Arb.fromGen
let double =
Arb.Default.Float() |> Arb.toGen
|> Gen.filter isValidDouble
|> Arb.fromGen
let vec2 =
singleArb
|> Gen.two
|> Gen.map Vector2
|> Arb.fromGen
let vec3 =
singleArb
|> Gen.three
|> Gen.map Vector3
|> Arb.fromGen
let vec4 =
singleArb
|> Gen.four
|> Gen.map Vector4
|> Arb.fromGen
let quat =
singleArb
|> Gen.four
|> Gen.map Quaternion
|> Arb.fromGen
let mat2 =
singleArb
|> Gen.four
|> Gen.map Matrix2
|> Arb.fromGen
let mat3 =
vec3
|> Arb.toGen
|> Gen.three
|> Gen.map Matrix3
|> Arb.fromGen
let mat4 =
vec4
|> Arb.toGen
|> Gen.four
|> Gen.map Matrix4
|> Arb.fromGen
type OpenTKGen =
static member Single() = single
static member float32() = single
static member Double() = double
static member float() = double
static member Vector2() = vec2
static member Vector3() = vec3
static member Vector4() = vec4
static member Quaternion() = quat
static member Matrix2() = mat2
static member Matrix3() = mat3
static member Matrix4() = mat4