/// <summary>
/// Generate Poisson-distributed unsigned ints.<para/>
/// Use <c>generator</c> to generate <c>num</c> unsigned int results into the device memory at
/// <c>outputPtr</c>. The device memory must have been previously allocated and be
/// large enough to hold all the results. Launches are done with the stream
/// set using <c>curandSetStream()</c>, or the null stream if no stream has been set.
/// Results are 32-bit unsigned int point values with poisson distribution based on
/// an associated poisson distribution with lambda <c>lambda</c>.
/// </summary>
/// <param name="generator">Generator to use</param>
/// <param name="output">Pointer to device memory to store CUDA-generated results</param>
public void Generate(CudaRandDevice generator, CudaDeviceVariable <uint> output)
{
_status = CudaRandNativeMethods.curandGeneratePoisson(generator.Generator, output.DevicePointer, output.Size, _lambda);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "curandGeneratePoisson", _status));
if (_status != CurandStatus.Success)
{
throw new CudaRandException(_status);
}
}
/// <summary>
/// Generate Poisson-distributed unsigned ints.<para/>
/// Use <c>generator</c> to generate <c>num</c> unsigned int results into the device memory at
/// <c>outputPtr</c>. The device memory must have been previously allocated and be
/// large enough to hold all the results. Launches are done with the stream
/// set using <c>curandSetStream()</c>, or the null stream if no stream has been set.
/// Results are 32-bit unsigned int point values with poisson distribution based on
/// an associated poisson distribution with lambda <c>lambda</c>.
/// </summary>
/// <param name="generator">Generator to use</param>
/// <param name="output">Pointer to device memory to store CUDA-generated results</param>
public void Generate(CudaRandDevice generator, CudaDeviceVariable<uint> output)
{
_status = CudaRandNativeMethods.curandGeneratePoisson(generator.Generator, output.DevicePointer, output.Size, _lambda);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "curandGeneratePoisson", _status));
if (_status != CurandStatus.Success) throw new CudaRandException(_status);
}
/// <summary>
/// Returns the version number of the dynamically linked CURAND library.
/// </summary>
public static Version GetVersion()
{
return(CudaRandDevice.GetVersion());
}
/// <summary>
/// Get an array of direction vectors that can be used for quasirandom number generation.
/// <para/>
/// The array contains vectors for many dimensions. Each dimension
/// has 64 vectors. Each individual vector is an unsigned long long.
/// <para/>
/// Legal values for set are:
/// - <see cref="DirectionVectorSet.JoeKuo6_64"/> (20,000 dimensions)
/// - <see cref="DirectionVectorSet.ScrambledJoeKuo6_64"/> (20,000 dimensions)
/// </summary>
/// <param name="set"></param>
/// <returns></returns>
public static DirectionVectors64[] GetDirectionVectors64(DirectionVectorSet set)
{
return(CudaRandDevice.GetDirectionVectors64(set));
}
/// <summary>
/// Get scramble constants that can be used for quasirandom number generation.
/// <para/>
/// The array contains constants for many dimensions. Each dimension
/// has a single ulong constant.
/// </summary>
/// <returns></returns>
public static ulong[] GetScrambleConstants64()
{
return(CudaRandDevice.GetScrambleConstants64());
}
/// <summary>
/// Get scramble constants that can be used for quasirandom number generation.
/// <para/>
/// The array contains constants for many dimensions. Each dimension
/// has a single uint constant.
/// </summary>
/// <returns></returns>
public static uint[] GetScrambleConstants32()
{
return(CudaRandDevice.GetScrambleConstants32());
}
public CUDANoiseCube()
{
randomDevice = new CudaRandDevice(GeneratorType.PseudoDefault);
}
