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Added preventing of division-by-zero cases when normalizing.

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This commit is contained in:
Jarl Gullberg 2017-05-31 21:31:11 +02:00
parent 754e577623
commit e4ec841e7a
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GPG key ID: 750FF6F6BDA72D23
1 changed files with 28 additions and 21 deletions
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9
tests/OpenTK.Tests/Vector3Tests.fs
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@ -114,6 +114,8 @@ module Vector3 =
let v = Vector3(a, b, c)
let l = v.Length
// Dividing by zero is not supported
if not (approxEq l 0.0f) then
let norm = v.Normalized()
Assert.ApproximatelyEqual(v.X / l, norm.X)
@ -123,10 +125,13 @@ module Vector3 =
[<Property>]
let ``Normalization of instance works`` (a, b, c) =
let v = Vector3(a, b, c)
let l = v.Length
if not (approxEq l 0.0f) then
let norm = Vector3(a, b, c)
norm.Normalize()
let l = v.Length
Assert.ApproximatelyEqual(v.X / l, norm.X)
Assert.ApproximatelyEqual(v.Y / l, norm.Y)
@ -146,6 +151,7 @@ module Vector3 =
[<Property>]
let ``Normalization by reference works`` (a : Vector3) =
if not (approxEq a.Length 0.0f) then
let scale = 1.0f / a.Length
let norm = Vector3(a.X * scale, a.Y * scale, a.Z * scale)
let vRes = Vector3.Normalize(ref a)
@ -154,6 +160,7 @@ module Vector3 =
[<Property>]
let ``Normalization works`` (a : Vector3) =
if not (approxEq a.Length 0.0f) then
let scale = 1.0f / a.Length
let norm = Vector3(a.X * scale, a.Y * scale, a.Z * scale)