/*! \file */
/* ************************************************************************
 * Copyright (C) 2020-2024 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.
 *
 * ************************************************************************ */

#pragma once

#include "common.h"

namespace rocsparse
{
    // x = alpha * x
    template <uint32_t BLOCKSIZE, typename I, typename T>
    ROCSPARSE_DEVICE_ILF void axpby_scale_device(I size, T alpha, T* __restrict__ x)
    {
        I i = hipBlockIdx_x * BLOCKSIZE + hipThreadIdx_x;

        if(i >= size)
        {
            return;
        }

        if(alpha == static_cast<T>(0))
        {
            x[i] = static_cast<T>(0);
        }
        else
        {
            x[i] *= alpha;
        }
    }
}
