// Copyright (c) 2017 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#ifndef ROCRAND_DISCRETE_TYPES_H_
#define ROCRAND_DISCRETE_TYPES_H_

/// \brief Represents a discrete probability distribution
struct rocrand_discrete_distribution_st
{
    /// Number of entries in the probability table
    unsigned int size;
    /// The distribution can be offset
    unsigned int offset;

    /// Alias table
    unsigned int * alias;
    ///Probability data for the alias table
    double * probability;

    /// Cumulative distribution function
    double * cdf;
};

typedef struct rocrand_discrete_distribution_st * rocrand_discrete_distribution;

#endif // ROCRAND_DISCRETE_TYPES_H_
