/*! \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: *
| X / Y / compute_type * |
|---|
| HIP_R_32F * |
| HIP_R_64F * |
| HIP_C_32F * |
| HIP_C_64F * |