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187 lines
8.9 KiB
C
187 lines
8.9 KiB
C
#pragma once
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/*
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* spGPU - Sparse matrices on GPU library.
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*
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* Copyright (C) 2010 - 2014
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* Davide Barbieri - University of Rome Tor Vergata
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 3 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "core.h"
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#include "cuComplex.h"
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/** \addtogroup ellFun ELL/HELL Format
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* @{
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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// HELL Compressed Matrix Format routines
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/// This is the pitch alignment that must be fullfilled by the coefficients and the row pointers allocations.
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#define HELL_PITCH_ALIGN_BYTE 128
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/**
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* \fn void spgpuShellspmv (spgpuHandle_t handle,__device float *z,const __device float *y, float alpha, const __device float* cM, const __device int* rP,int hackSize,const __device int* hackOffsets, const __device int* rS,const __device int* rIdx, int avgNnzPerRow, int rows, const __device float *x, float beta,int baseIndex)
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* Computes single precision z = alpha*A*x + beta*y, with A stored in Hacked ELLpack Format on GPU.
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* \param handle The spgpu handle used to call this routine
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* \param z The output vector of the routine. z could be y, but not y + k (i.e. an overlapping area over y, but starting from a base index different from y).
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* \param y The y input vector
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* \param alpha The alpha scalar
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* \param cM The HELL non zero values allocation pointer
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* \param rP The HELL column indices allocation pointer
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* \param hackSize The constant size of every hack (must be a multiple of 32).
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* \param hackOffsets the array of base index offset for every hack of HELL non zero values allocation and HELL indices allocation.
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* \param rS the array containing the row sized (in non zero elements)
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* \param rIdx (optional) An array containing the row index per every row (i.e. the reorder array) of the Hell matrix. Pass NULL if you don't use a reorder array (i.e. the k-th row is stored in the k-th position in the HELL format).
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* \param avgNnzPerRow (optional) Average number of non zeroes per row. Pass 0 if you don't have such information.
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* \param rows the rows count
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* \param x the x vector
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* \param beta the beta scalar
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* \param baseIndex the ELL format base index used (i.e. 0 for C, 1 for Fortran).
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*/
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void spgpuShellspmv (spgpuHandle_t handle,
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__device float *z,
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const __device float *y,
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float alpha,
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const __device float* cM,
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const __device int* rP,
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int hackSize,
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const __device int* hackOffsets,
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const __device int* rS,
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const __device int* rIdx,
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int avgNnzPerRow,
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int rows,
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const __device float *x,
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float beta,
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int baseIndex);
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/**
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* \fn void spgpuDhellspmv (spgpuHandle_t handle,__device double *z,const __device double *y, double alpha, const __device double* cM, const __device int* rP,int hackSize,const __device int* hackOffsets, const __device int* rS,const __device int* rIdx, int avgNnzPerRow, int rows, const __device double *x, double beta,int baseIndex)
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* Computes double precision z = alpha*A*x + beta*y, with A stored in Hacked ELLpack Format on GPU.
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* \param handle The spgpu handle used to call this routine
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* \param z The output vector of the routine. z could be y, but not y + k (i.e. an overlapping area over y, but starting from a base index different from y).
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* \param y The y input vector
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* \param alpha The alpha scalar
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* \param cM The HELL non zero values allocation pointer
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* \param rP The HELL column indices allocation pointer
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* \param hackSize The constant size of every hack (must be a multiple of 32).
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* \param hackOffsets the array of base index offset for every hack of HELL non zero values allocation and HELL indices allocation.
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* \param rS the array containing the row sized (in non zero elements)
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* \param rIdx (optional) An array containing the row index per every row (i.e. the reorder array) of the Hell matrix. Pass NULL if you don't use a reorder array (i.e. the k-th row is stored in the k-th position in the HELL format).
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* \param avgNnzPerRow (optional) Average number of non zeroes per row. Pass 0 if you don't have such information.
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* \param rows the rows count
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* \param x the x vector
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* \param beta the beta scalar
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* \param baseIndex the ELL format base index used (i.e. 0 for C, 1 for Fortran).
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*/
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void spgpuDhellspmv (spgpuHandle_t handle,
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__device double *z,
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const __device double *y,
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double alpha,
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const __device double* cM,
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const __device int* rP,
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int hackSize,
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const __device int* hackOffsets,
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const __device int* rS,
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const __device int* rIdx,
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int avgNnzPerRow,
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int rows,
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const __device double *x,
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double beta,
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int baseIndex);
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/**
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* \fn void spgpuChellspmv (spgpuHandle_t handle,__device cuFloatComplex *z,const __device cuFloatComplex *y, cuFloatComplex alpha, const __device cuFloatComplex* cM, const __device int* rP,int hackSize,const __device int* hackOffsets, const __device int* rS, const __device int* rIdx, int avgNnzPerRow, int rows, const __device cuFloatComplex *x, cuFloatComplex beta, int baseIndex)
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* Computes single precision complex z = alpha*A*x + beta*y, with A stored in Hacked ELLpack Format on GPU.
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* \param handle The spgpu handle used to call this routine
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* \param z The output vector of the routine. z could be y, but not y + k (i.e. an overlapping area over y, but starting from a base index different from y).
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* \param y The y input vector
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* \param alpha The alpha scalar
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* \param cM The HELL non zero values allocation pointer
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* \param rP The HELL column indices allocation pointer
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* \param hackSize The constant size of every hack (must be a multiple of 32).
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* \param hackOffsets the array of base index offset for every hack of HELL non zero values allocation and HELL indices allocation.
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* \param rS the array containing the row sized (in non zero elements)
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* \param rIdx (optional) An array containing the row index per every row (i.e. the reorder array) of the Hell matrix. Pass NULL if you don't use a reorder array (i.e. the k-th row is stored in the k-th position in the HELL format).
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* \param avgNnzPerRow (optional) Average number of non zeroes per row. Pass 0 if you don't have such information.
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* \param rows the rows count
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* \param x the x vector
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* \param beta the beta scalar
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* \param baseIndex the ELL format base index used (i.e. 0 for C, 1 for Fortran).
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*/
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void spgpuChellspmv (spgpuHandle_t handle,
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__device cuFloatComplex *z,
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const __device cuFloatComplex *y,
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cuFloatComplex alpha,
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const __device cuFloatComplex* cM,
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const __device int* rP,
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int hackSize,
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const __device int* hackOffsets,
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const __device int* rS,
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const __device int* rIdx,
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int avgNnzPerRow,
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int rows,
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const __device cuFloatComplex *x,
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cuFloatComplex beta,
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int baseIndex);
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/**
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* \fn void spgpuZhellspmv (spgpuHandle_t handle,__device cuDoubleComplex *z,const __device cuDoubleComplex *y, cuDoubleComplex alpha, const __device cuDoubleComplex* cM, const __device int* rP,int hackSize,const __device int* hackOffsets, const __device int* rS,const __device int* rIdx, int avgNnzPerRow, int rows, const __device cuDoubleComplex *x, cuDoubleComplex beta, int baseIndex)
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* Computes double precision complex z = alpha*A*x + beta*y, with A stored in Hacked ELLpack Format on GPU.
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* \param handle The spgpu handle used to call this routine
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* \param z The output vector of the routine. z could be y, but not y + k (i.e. an overlapping area over y, but starting from a base index different from y).
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* \param y The y input vector
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* \param alpha The alpha scalar
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* \param cM The HELL non zero values allocation pointer
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* \param rP The HELL column indices allocation pointer
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* \param hackSize The constant size of every hack (must be a multiple of 32).
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* \param hackOffsets the array of base index offset for every hack of HELL non zero values allocation and HELL indices allocation.
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* \param rS the array containing the row sized (in non zero elements)
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* \param rIdx (optional) An array containing the row index per every row (i.e. the reorder array) of the Hell matrix. Pass NULL if you don't use a reorder array (i.e. the k-th row is stored in the k-th position in the HELL format).
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* \param avgNnzPerRow (optional) Average number of non zeroes per row. Pass 0 if you don't have such information.
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* \param rows the rows count
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* \param x the x vector
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* \param beta the beta scalar
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* \param baseIndex the ELL format base index used (i.e. 0 for C, 1 for Fortran).
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*/
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void spgpuZhellspmv (spgpuHandle_t handle,
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__device cuDoubleComplex *z,
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const __device cuDoubleComplex *y,
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cuDoubleComplex alpha,
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const __device cuDoubleComplex* cM,
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const __device int* rP,
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int hackSize,
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const __device int* hackOffsets,
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const __device int* rS,
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const __device int* rIdx,
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int avgNnzPerRow,
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int rows,
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const __device cuDoubleComplex *x,
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cuDoubleComplex beta,
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int baseIndex);
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/** @}*/
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#ifdef __cplusplus
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}
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#endif
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