public void GcMathCos()
{
Assert.IsTrue(GcMath.AlmostSame(GcMath.Cos(0f), 1f), $"{GcMath.Cos(0f):e}");
//Assert.IsTrue(GcMath.AlmostSame(GcMath.Cos(90f), 0f), $"{GcMath.Cos(90f):e}");
Assert.IsTrue(GcMath.AlmostSame(GcMath.Cos(180f), -1f), $"{GcMath.Cos(180f):e}");
//Assert.IsTrue(GcMath.AlmostSame(GcMath.Cos(270f), 0f), $"{GcMath.Cos(270f):e}");
}
public void GcMathAlmostSame()
{
for (var i = 0; i < 100; i++)
{
var v1 = UnityEngine.Random.Range(float.MinValue, float.MaxValue - 1);
var v2 = v1 + math.EPSILON;
var v3 = v1 - math.EPSILON;
Assert.IsTrue(GcMath.AlmostSame(v1, v2));
Assert.IsTrue(GcMath.AlmostSame(v1, v3));
}
for (var i = 0; i < 100; i++)
{
var v1 = new float2(UnityEngine.Random.Range(float.MinValue, float.MaxValue - 1), UnityEngine.Random.Range(float.MinValue, float.MaxValue - 1));
var v2 = v1 + new float2(math.EPSILON, math.EPSILON);
var v3 = v1 + new float2(math.EPSILON, -math.EPSILON);
var v4 = v1 + new float2(-math.EPSILON, -math.EPSILON);
Assert.IsTrue(GcMath.AlmostSame(v1, v2));
Assert.IsTrue(GcMath.AlmostSame(v1, v3));
Assert.IsTrue(GcMath.AlmostSame(v1, v4));
}
Assert.IsTrue(GcMath.AlmostSame(float.PositiveInfinity, float.PositiveInfinity));
Assert.IsTrue(GcMath.AlmostSame(float.NegativeInfinity, float.NegativeInfinity));
Assert.IsFalse(GcMath.AlmostSame(0, float.PositiveInfinity));
Assert.IsFalse(GcMath.AlmostSame(0, float.NegativeInfinity));
Assert.IsFalse(GcMath.AlmostSame(float.PositiveInfinity, float.NegativeInfinity));
Assert.IsFalse(GcMath.AlmostSame(float.NaN, float.NaN));
}
public void GcMathAtan2()
{
for (var i = 0; i < 100; i++)
{
var x = UnityEngine.Random.value;
var y = UnityEngine.Random.value;
var a1 = GcMath.Atan2(new float2(x, y));
var a2 = math.degrees(math.atan2(y, x));
Assert.IsTrue(GcMath.AlmostSame(a1, a2), $"{a1:e} != {a2:e}");
}
}