public static void ApproximatelyEqual(TensorOld a, TensorOld b, double allowError = 0.00001)
{
Assert.True(TensorOld.CheckShapeBool(a, b));
var dataA = a.GetRawValues();
var dataB = b.GetRawValues();
for (int i = 0; i < a.ElementCount; i++)
{
Assert.True(Math.Abs(dataA[i] - dataB[i]) < allowError);
}
}