/*! \file */ /* ************************************************************************ * Copyright (C) 2023-2025 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 ROCSPARSE_SCATTER_H #define ROCSPARSE_SCATTER_H #include "../../rocsparse-types.h" #include "rocsparse/rocsparse-export.h" #ifdef __cplusplus extern "C" { #endif /*! \ingroup generic_module * \brief Scatter elements from a sparse vector into a dense vector. * * \details * \p rocsparse_scatter scatters the elements from the sparse vector \f$x\f$ into the dense * vector \f$y\f$. * * \code{.c} * for(i = 0; i < nnz; ++i) * { * y[x_ind[i]] = x_val[i]; * } * \endcode * * \p rocsparse_scatter supports the following uniform-precision data types for the sparse and dense vectors \p x and * \p y. * * \par Uniform Precisions: * * *
Uniform Precisions
X / Y *
rocsparse_datatype_i8_r *
rocsparse_datatype_f16_r *
rocsparse_datatype_bf16_r *
rocsparse_datatype_f32_r *
rocsparse_datatype_f64_r *
rocsparse_datatype_f32_c *
rocsparse_datatype_f64_c *
* * \note * This function is non-blocking and executed asynchronously with respect to the host. * It can return before the actual computation has finished. * * \note * This routine supports execution in a hipGraph context. * * \note * This routine does not support batched computation. * * @param[in] * handle handle to the rocSPARSE library context queue. * @param[in] * x sparse vector \f$x\f$. * @param[out] * y dense vector \f$y\f$. * * \retval rocsparse_status_success the operation completed successfully. * \retval rocsparse_status_invalid_handle the library context was not initialized. * \retval rocsparse_status_invalid_pointer \p x or \p y pointer is invalid. * * \par Example * \snippet example_rocsparse_scatter.cpp doc example */ ROCSPARSE_EXPORT rocsparse_status rocsparse_scatter(rocsparse_handle handle, rocsparse_const_spvec_descr x, rocsparse_dnvec_descr y); #ifdef __cplusplus } #endif #endif /* ROCSPARSE_SCATTER_H */