static void Main(string[] args)
{
var intMapper = new EqualityComparerMapper <long>(EqualityComparer <long> .Default);
var nullableIntMapper = new EqualityComparerMapper <long?>(EqualityComparer <long?> .Default);
var memoizer = new Memoizer <long, long?>(intMapper, nullableIntMapper);
long fast_fib(long n)
{
var existingSolution = memoizer.GetOutput(n);
var returnValue = (n, existingSolution.HasValue) switch
{
(0, _) => 0,
(1, _) => 1,
(_, false) => fast_fib(n - 1) + fast_fib(n - 2),
(_, true) => existingSolution.Value
};
memoizer.Memoize(n, returnValue);
return(returnValue);
}
for (int i = 0; i < 92; i++)
{
Console.WriteLine($"Fibonacci number {i + 1} is {fast_fib(i)}");
}
}
public TermDatabase()
{
StringMapper = new StringMapper();
TermMapper = new EqualityComparerMapper <Term>(new IntegerMapperTermEqualityComparer());
LabelToTerm = new Dictionary <ulong, HashSet <Term> >();
CurrentFrame = new Frame(this);
_writer = new Lazy <TermDatabaseWriter>(() => new TermDatabaseWriter(this));
_reader = new Lazy <TermDatabaseReader>(() => new TermDatabaseReader(this));
}
/// <summary>
/// Builds a buffer based on the given triangles for the given scene graph
/// </summary>
/// <param name="sceneGraph">The scene graph for the entire world model.</param>
/// <param name="triangleAssertionsToRender">The triangles for which a buffer needs to be constructed.</param>
public TriangleBuffer(SceneGraph sceneGraph,
BufferManager bufferManager,
IEnumerable <Core.Scene.Triangle> triangleAssertionsToRender,
ILogger logger,
IShaderCompiler shaderCompiler,
ITextureLoader textureLoader) : base()
{
_logger = logger;
_shaderCompiler = shaderCompiler;
_textureLoader = textureLoader;
_sceneGraph = sceneGraph;
_bufferManager = bufferManager;
_triangleAssertionsToRender = triangleAssertionsToRender.ToArray();
_vertexBuffer = new Lazy <float[]>(() => new float[_triangleAssertionsToRender.Length * VerticesPerTriangle * ComponentsPerVertex]);
_vertexIndexBuffer = new Lazy <uint[]>(() => new uint[_triangleAssertionsToRender.Length * VerticesPerTriangle]);
_textureObjectIdToShaderIndex = new EqualityComparerMapper <ulong>(EqualityComparer <ulong> .Default);
BuildBuffer();
}
public MemoizerTests()
{
_outputMapper = new EqualityComparerMapper <double>(EqualityComparer <double> .Default);
_inputMapper = new EqualityComparerMapper <int>(EqualityComparer <int> .Default);
_memoizer = new Memoizer <int, double>(_inputMapper, _outputMapper);
}
