public void TestNotEqual()
{
// Define variables and constants
const string DOG_STRING_A = "Dog";
const string DOG_STRING_B = "Dog";
const string CAT_STRING = "Cat";
// Set up context
// Execute
Assure.NotEqual(DOG_STRING_A, CAT_STRING);
try {
Assure.NotEqual(DOG_STRING_A, DOG_STRING_B);
Assert.Fail();
}
catch (AssuranceFailedException) {
}
// Assert outcome
Assure.NotEqual(new DateTime(400L), new DateTime(500L));
try {
Assure.NotEqual(new DateTime(400L), new DateTime(400L));
Assert.Fail();
}
catch (AssuranceFailedException) {
}
}
/// <summary>
/// Constructs a new Transform struct.
/// </summary>
/// <param name="scale">The scale (sizing) to apply.</param>
/// <param name="rotation">The rotation (orientation offset) to apply.</param>
/// <param name="translation">The translation (displacement from the origin) to apply.</param>
public Transform(Vector3 scale, Quaternion rotation, Vector3 translation)
{
Assure.NotEqual(rotation, Quaternion.ZERO);
Scale = scale;
Rotation = rotation;
Translation = translation;
}
/// <summary>
/// Calculates the orthonormalization of this vector on to <paramref name="axis"/>. The orthonormalized vector will the perpendicular
/// component of this vector (to <paramref name="axis"/>), normalized (i.e. unit length).
/// </summary>
/// <param name="axis">The axis to orthogonalize against.</param>
/// <returns>Returns a new Vector3 that is the value of this vector 'orthonormalized' against the given <paramref name="axis"/>.</returns>
public Vector3 OrthonormalizedAgainst(Vector3 axis)
{
Assure.NotEqual(this, ZERO, "Can not orthonormalize ZERO vector.");
Assure.NotEqual(axis, ZERO, "Can not orthonormalize against ZERO vector.");
Vector3 orthogonalized = this - Dot(axis, this) * axis;
if (orthogonalized.EqualsExactly(ZERO))
{
Logger.Warn("Attempt to orthonormalize two parallel vectors (" + this + " against " + axis + "): " +
"Returning arbitrary perpendicular value.");
// ReSharper disable CompareOfFloatsByEqualityOperator Direct comparison desired
if (X != 0f)
{
return(new Vector3(-(Y + Z) / X, 1f, 1f));
}
else if (Y != 0f)
{
return(new Vector3(1f, -(X + Z) / Y, 1f));
}
else
{
return(new Vector3(1f, 1f, -(X + Y) / Z));
}
// ReSharper restore CompareOfFloatsByEqualityOperator
}
else
{
return(orthogonalized.ToUnit());
}
}
/// <summary>
/// Gets the angle formed between two vectors, in radians.
/// </summary>
/// <param name="v1">The first vector.</param>
/// <param name="v2">The second vector.</param>
/// <returns>Inverse cosine of: The sum of: Each component in <paramref name="v1"/> multiplied with the corresponding
/// component in <paramref name="v2"/>.</returns>
public static float AngleBetween(Vector4 v1, Vector4 v2)
{
Assure.NotEqual(v1, ZERO, "Can not find angle for zero vector.");
Assure.NotEqual(v2, ZERO, "Can not find angle for zero vector.");
v1 = v1.ToUnit();
v2 = v2.ToUnit();
return((float)Math.Acos(v1.X * v2.X + v1.Y * v2.Y + v1.Z * v2.Z + v1.W * v2.W));
}
public void SlaveWaitForFirstOpen()
{
Assure.NotEqual(Thread.CurrentThread, LosgapSystem.MasterThread);
Monitor.Enter(barrierClosedLock);
if (!barrierOpen && !isDisposed)
{
Monitor.Wait(barrierClosedLock);
}
Monitor.Exit(barrierClosedLock);
}
public void GetOrthogonals(out Vector3 outOrthogonalA, out Vector3 outOrthogonalB)
{
Assure.NotEqual(this, ZERO, "Can not find orthogonals to ZERO vector.");
Vector3 rotated = (Vector3)(this * orthoMatX);
if (this.Dot(rotated) > 0.6f)
{
rotated = (Vector3)(this * orthoMatY);
}
float length = Length;
outOrthogonalA = (this * rotated).WithLength(length);
outOrthogonalB = (this * outOrthogonalA).WithLength(length);
}
public void SlaveQueueOnMaster(PipelineMasterInvocation pmi)
{
Assure.NotNull(pmi);
Assure.NotEqual(Thread.CurrentThread, LosgapSystem.MasterThread);
Monitor.Enter(barrierOpenLock);
masterInvocationQueue.Enqueue(pmi);
Monitor.Pulse(barrierOpenLock);
object externalLockObjLocal;
lock (externalLockObjLock) {
externalLockObjLocal = externalLockObj;
}
Monitor.Exit(barrierOpenLock);
if (externalLockObjLocal != null)
{
Monitor.Enter(externalLockObjLocal);
Monitor.PulseAll(externalLockObjLocal);
Monitor.Exit(externalLockObjLocal);
}
}
public void SlaveWaitForReset()
{
Assure.NotEqual(Thread.CurrentThread, LosgapSystem.MasterThread);
Monitor.Enter(barrierClosedLock);
if (isDisposed)
{
Monitor.Exit(barrierClosedLock);
return;
}
Monitor.Enter(barrierOpenLock);
if (--slavesRemaining == 0U)
{
barrierOpen = false;
Monitor.Pulse(barrierOpenLock);
}
Monitor.Exit(barrierOpenLock);
Monitor.Wait(barrierClosedLock);
Monitor.Exit(barrierClosedLock);
}
/// <summary>
/// Fills the memory at the given <paramref name="dest"/> address with <paramref name="numBytes"/> zeroes.
/// </summary>
/// <param name="dest">The destination address. Must not be <see cref="IntPtr.Zero"/>.</param>
/// <param name="numBytes">The number of bytes from <paramref name="dest"/> to fill with zeroes.</param>
public static void ZeroMem(IntPtr dest, uint numBytes)
{
Assure.NotEqual(dest, IntPtr.Zero, "Destination address must not be Zero.");
RtlZeroMemory(dest, new IntPtr(numBytes));
}
/// <summary>
/// Returns the projection of this vector on the given <paramref name="axis"/> vector (needs not be a primary world axis).
/// </summary>
/// <param name="axis">The axis to project on to.</param>
/// <returns>A new Vector that is the the equivalent part of this vector that 'points' along the <paramref name="axis"/>
/// vector.</returns>
public Vector4 ProjectedOnto(Vector4 axis)
{
Assure.NotEqual(axis, ZERO, "Can not project on to zero vector.");
axis = axis.ToUnit();
return(Dot(this, axis) * axis);
}
/// <summary>
/// Constructs a new plane with the given <paramref name="normal"/> vector,
/// and shortest distance to the origin (<paramref name="distanceToOrigin"/>).
/// </summary>
/// <param name="normal">The normal vector to the plane (e.g. a vector that is perpendicular to the plane).
/// Does not need to be unit length.</param>
/// <param name="distanceToOrigin">The distance from the <see cref="CentrePoint"/> to the world origin.
/// See: <see cref="DistanceToOrigin"/>.</param>
public Plane(Vector3 normal, float distanceToOrigin)
{
Assure.NotEqual(normal, Vector3.ZERO, "Normal vector can not be zero vector.");
Normal = normal.ToUnit();
DistanceToOrigin = distanceToOrigin;
}
/// <summary>
/// Constructs a new plane with the given <paramref name="normal"/> vector,
/// and a point on the plane (<paramref name="position"/>).
/// </summary>
/// <param name="normal">The normal vector to the plane (e.g. a vector that is perpendicular to the plane).
/// Does not need to be unit length.</param>
/// <param name="position">The position of a point that lies on the plane. Any point on the plane is acceptable
/// (does not need to be the <see cref="CentrePoint"/>).</param>
public Plane(Vector3 normal, Vector3 position)
{
Assure.NotEqual(normal, Vector3.ZERO, "Normal vector can not be zero vector.");
Normal = normal.ToUnit();
DistanceToOrigin = Vector3.Dot(Normal, -position);
}
