public void Vector2SqrtTest()
{
Vector2 v1 = new Vector2(-2.5f, 2.0f);
Vector2 v2 = new Vector2(5.5f, 4.5f);
Assert.Equal(2, (int)Vector2.SquareRoot(v2).X);
Assert.Equal(2, (int)Vector2.SquareRoot(v2).Y);
Assert.Equal(Single.NaN, Vector2.SquareRoot(v1).X);
}
public static Vector2 SquareRootJitOptimizeCanaryTest()
{
var result = VectorTests.Vector2Value;
for (var iteration = 0; iteration < Benchmark.InnerIterationCount; iteration++)
{
result += Vector2.SquareRoot(result);
}
return(result);
}
public static Vector2 SquareRootTest()
{
var result = VectorTests.Vector2Value;
for (var iteration = 0; iteration < Benchmark.InnerIterationCount; iteration++)
{
// The inputs aren't being changed and the output is being reset with each iteration, so a future
// optimization could potentially throw away everything except for the final call. This would break
// the perf test. The JitOptimizeCanary code below does modify the inputs and consume each output.
result = Vector2.SquareRoot(result);
}
return(result);
}
