latin_hypercube.h

/*
 * Copyright (c) 2010-2011, NVIDIA Corporation
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   * Neither the name of NVIDIA Corporation nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 */

#pragma once

#include <cugar/linalg/vector.h>
#include <cugar/sampling/random.h>
#include <vector>
#include <algorithm>


namespace cugar {

struct LHSampler
{
    LHSampler(const uint32 seed = 0) : m_random(seed) {}

    template <typename T, uint32 DIM>
    void sample(
        const uint32    n_samples,
        Vector<T,DIM>*  samples);

    template <bool SOA, typename T>
    void sample(
        const uint32    n_samples,
        const uint32    n_dims,
        T*              samples);

    Random              m_random;
};

} // namespace cugar

#include <cugar/sampling/latin_hypercube_inline.h>