/*! \file */ /* ************************************************************************ * Copyright (C) 2025-2026 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 HIPSPARSE_ROT_H #define HIPSPARSE_ROT_H #ifdef __cplusplus extern "C" { #endif /*! \ingroup generic_module * \brief Apply the Givens rotation to a dense and a sparse vector. * * \details * \p hipsparseRot applies the Givens rotation matrix \f$G\f$ to the sparse vector * \f$x\f$ and the dense vector \f$y\f$, where * \f[ * G = \begin{pmatrix} c & s \\ -s & c \end{pmatrix} * \f] * * \code{.c} * for(i = 0; i < nnz; ++i) * { * x_tmp = x_val[i]; * y_tmp = y[x_ind[i]]; * * x_val[i] = c * x_tmp + s * y_tmp; * y[x_ind[i]] = c * y_tmp - s * x_tmp; * } * \endcode * * \p hipsparseRot supports the following uniform precision data types for the sparse and dense vectors \f$x\f$ and * \f$y\f$ and compute types for the scalars \f$c\f$ and \f$s\f$. * * \par Uniform Precisions: * * *
Uniform Precisions
X / Y / compute_type *
HIP_R_32F *
HIP_R_64F *
HIP_C_32F *
HIP_C_64F *
* * \deprecated * This function is deprecated when using the CUDA backend (CUDA 12.0+) and will be * removed in CUDA 13.0. This deprecation does not apply to the ROCm backend. * * @param[in] * handle handle to the hipSPARSE library context queue. * @param[in] * c_coeff pointer to the cosine element of \f$G\f$, which can be on the host or device. * @param[in] * s_coeff pointer to the sine element of \f$G\f$, which can be on the host or device. * @param[inout] * vecX sparse vector descriptor \f$x\f$. * @param[inout] * vecY dense vector descriptor \f$y\f$. * * \retval HIPSPARSE_STATUS_SUCCESS the operation completed successfully. * \retval HIPSPARSE_STATUS_NOT_INITIALIZED \p handle is not initialized. * \retval HIPSPARSE_STATUS_INVALID_VALUE \p handle, \p c_coeff, \p s_coeff, \p vecX, or \p vecY is nullptr, * or the vector sizes or data types are incompatible. */ #if(!defined(CUDART_VERSION) || (CUDART_VERSION >= 11000 && CUDART_VERSION < 14000)) DEPRECATED_CUDA_12000("The routine will be removed in a future CUDA release") HIPSPARSE_EXPORT hipsparseStatus_t hipsparseRot(hipsparseHandle_t handle, const void* c_coeff, const void* s_coeff, hipsparseSpVecDescr_t vecX, hipsparseDnVecDescr_t vecY); #endif #ifdef __cplusplus } #endif #endif /* HIPSPARSE_ROT_H */