/* ************************************************************************
 * Copyright (C) 2018-2022 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 cop-
 * ies 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 IM-
 * PLIED, 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 CONNE-
 * CTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * ************************************************************************ */

#pragma once

#include "d_vector.hpp"

#include "device_batch_vector.hpp"
#include "device_strided_batch_vector.hpp"
#include "device_vector.hpp"

#include "host_batch_vector.hpp"
#include "host_pinned_vector.hpp"
#include "host_strided_batch_vector.hpp"
#include "host_vector.hpp"

#include "rocblas_init.hpp"

//!
//! @brief Initialize a host_strided_batch_vector.
//! @param hx The host_strided_batch_vector.
//! @param arg Specifies the argument class.
//! @param nan_init Initialize vector with Nan's depending upon the rocblas_check_nan_init enum value.
//! @param seedReset reset the seed if true, do not reset the seed otherwise. Use init_cos if seedReset is true else use init_sin.
//! @param alternating_sign Initialize vector so adjacent entries have alternating sign.
//!
template <typename T>
inline void rocblas_init_vector(host_strided_batch_vector<T>& hx,
                                const Arguments&              arg,
                                rocblas_check_nan_init        nan_init,
                                bool                          seedReset        = false,
                                bool                          alternating_sign = false)
{
    for(rocblas_int batch_index = 0; batch_index < hx.batch_count(); ++batch_index)
    {
        auto*       x    = hx[batch_index];
        rocblas_int incx = hx.inc();
        rocblas_int N    = hx.n();
        if(nan_init == rocblas_client_alpha_sets_nan && rocblas_isnan(arg.alpha))
        {
            rocblas_init_vector(random_nan_generator<T>, x, N, incx);
        }
        else if(nan_init == rocblas_client_beta_sets_nan && rocblas_isnan(arg.beta))
        {
            rocblas_init_vector(random_nan_generator<T>, x, N, incx);
        }
        else if(arg.initialization == rocblas_initialization::hpl)
        {
            if(alternating_sign)
                rocblas_init_vector_alternating_sign(random_hpl_generator<T>, x, N, incx);
            else
                rocblas_init_vector(random_hpl_generator<T>, x, N, incx);
        }
        else if(arg.initialization == rocblas_initialization::rand_int)
        {
            if(alternating_sign)
                rocblas_init_vector_alternating_sign(random_generator<T>, x, N, incx);
            else
                rocblas_init_vector(random_generator<T>, x, N, incx);
        }
        else if(arg.initialization == rocblas_initialization::trig_float)
        {
            rocblas_init_vector_trig(x, N, incx, seedReset);
        }
    }
}

//!
//! @brief Initialize a host_batch_vector.
//! @param hx The host_batch_vector.
//! @param arg Specifies the argument class.
//! @param nan_init Initialize vector with Nan's depending upon the rocblas_check_nan_init enum value.
//! @param seedReset reset the seed if true, do not reset the seed otherwise. Use init_cos if seedReset is true else use init_sin.
//! @param alternating_sign Initialize vector so adjacent entries have alternating sign.
//!
template <typename T>
inline void rocblas_init_vector(host_batch_vector<T>&  hx,
                                const Arguments&       arg,
                                rocblas_check_nan_init nan_init,
                                bool                   seedReset        = false,
                                bool                   alternating_sign = false)
{
    for(rocblas_int batch_index = 0; batch_index < hx.batch_count(); ++batch_index)
    {
        auto*       x    = hx[batch_index];
        rocblas_int incx = hx.inc();
        rocblas_int N    = hx.n();
        if(nan_init == rocblas_client_alpha_sets_nan && rocblas_isnan(arg.alpha))
        {
            rocblas_init_vector(random_nan_generator<T>, x, N, incx);
        }
        else if(nan_init == rocblas_client_beta_sets_nan && rocblas_isnan(arg.beta))
        {
            rocblas_init_vector(random_nan_generator<T>, x, N, incx);
        }
        else if(arg.initialization == rocblas_initialization::hpl)
        {
            if(alternating_sign)
                rocblas_init_vector_alternating_sign(random_hpl_generator<T>, x, N, incx);
            else
                rocblas_init_vector(random_hpl_generator<T>, x, N, incx);
        }
        else if(arg.initialization == rocblas_initialization::rand_int)
        {
            if(alternating_sign)
                rocblas_init_vector_alternating_sign(random_generator<T>, x, N, incx);
            else
                rocblas_init_vector(random_generator<T>, x, N, incx);
        }
        else if(arg.initialization == rocblas_initialization::trig_float)
        {
            rocblas_init_vector_trig(x, N, incx, seedReset);
        }
    }
}

//!
//! @brief Initialize a host_vector.
//! @param hx The host_vector.
//! @param arg Specifies the argument class.
//! @param nan_init Initialize vector with Nan's depending upon the rocblas_check_nan_init enum value.
//! @param seedReset reset the seed if true, do not reset the seed otherwise. Use init_cos if seedReset is true else use init_sin.
//! @param alternating_sign Initialize vector so adjacent entries have alternating sign.
//!
template <typename T>
inline void rocblas_init_vector(host_vector<T>&        hx,
                                const Arguments&       arg,
                                rocblas_check_nan_init nan_init,
                                bool                   seedReset        = false,
                                bool                   alternating_sign = false)
{
    if(seedReset)
        rocblas_seedrand();

    rocblas_int N    = hx.n();
    rocblas_int incx = hx.inc();

    if(nan_init == rocblas_client_alpha_sets_nan && rocblas_isnan(arg.alpha))
    {
        rocblas_init_vector(random_nan_generator<T>, (T*)hx, N, incx);
    }
    else if(nan_init == rocblas_client_beta_sets_nan && rocblas_isnan(arg.beta))
    {
        rocblas_init_vector(random_nan_generator<T>, (T*)hx, N, incx);
    }
    else if(arg.initialization == rocblas_initialization::hpl)
    {
        if(alternating_sign)
            rocblas_init_vector_alternating_sign(random_hpl_generator<T>, (T*)hx, N, incx);
        else
            rocblas_init_vector(random_hpl_generator<T>, (T*)hx, N, incx);
    }
    else if(arg.initialization == rocblas_initialization::rand_int)
    {
        if(alternating_sign)
            rocblas_init_vector_alternating_sign(random_generator<T>, (T*)hx, N, incx);
        else
            rocblas_init_vector(random_generator<T>, (T*)hx, N, incx);
    }
    else if(arg.initialization == rocblas_initialization::trig_float)
    {
        rocblas_init_vector_trig((T*)hx, N, incx, seedReset);
    }
}
