103 lines
4.3 KiB
C++
103 lines
4.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
// File : CG_SOLVER_SSE.h
|
|
//
|
|
// LumosQuad - A Lightning Generator
|
|
// Copyright 2007
|
|
// The University of North Carolina at Chapel Hill
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
//
|
|
// The University of North Carolina at Chapel Hill makes no representations
|
|
// about the suitability of this software for any purpose. It is provided
|
|
// "as is" without express or implied warranty.
|
|
//
|
|
// Permission to use, copy, modify and distribute this software and its
|
|
// documentation for educational, research and non-profit purposes, without
|
|
// fee, and without a written agreement is hereby granted, provided that the
|
|
// above copyright notice and the following three paragraphs appear in all
|
|
// copies.
|
|
//
|
|
// THE UNIVERSITY OF NORTH CAROLINA SPECIFICALLY DISCLAIM ANY WARRANTIES,
|
|
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
// FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN
|
|
// "AS IS" BASIS, AND THE UNIVERSITY OF NORTH CAROLINA HAS NO OBLIGATION TO
|
|
// PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
|
|
//
|
|
// Please send questions and comments about LumosQuad to kim@cs.unc.edu.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// This program uses OpenEXR, which has the following restrictions:
|
|
//
|
|
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
|
|
// Digital Ltd. LLC
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Industrial Light & Magic nor the names of
|
|
// its contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
|
|
#ifndef CG_SOLVER_SSE_H
|
|
#define CG_SOLVER_SSE_H
|
|
|
|
#include "CG_SOLVER.h"
|
|
#include <xmmintrin.h>
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
/// \brief Conjugate gradient Poisson solver that exploits SSE.
|
|
////////////////////////////////////////////////////////////////////
|
|
class CG_SOLVER_SSE : public CG_SOLVER
|
|
{
|
|
public:
|
|
//! constructor
|
|
CG_SOLVER_SSE(int maxDepth, int iterations = 10, int digits = 1);
|
|
//! destructor
|
|
~CG_SOLVER_SSE();
|
|
|
|
//! solve the Poisson problem using SSE
|
|
virtual int solve(list<CELL*> cells);
|
|
|
|
private:
|
|
//! reallocate the SSE-friendly scratch arrays
|
|
virtual void reallocate();
|
|
|
|
// SSE linear algebra operators
|
|
inline float dotSSE(float* x, float* y);
|
|
inline void saxpySSE(float a, float* x, float* y);
|
|
inline void saypxSSE(float a, float* x, float* y);
|
|
inline float maxSSE(float* x);
|
|
inline void addSSE(float* x, float* y);
|
|
inline void multiplySSE(float* x, float* y);
|
|
inline void multiplySSE(float* x, float* y, float* z);
|
|
inline void multiplySubtractSSE(float* w, float* x, float* y, float* z);
|
|
inline void setSSE(float* x, float val);
|
|
inline void wipeSSE(float* x);
|
|
inline void copySSE(float* x, float* y);
|
|
};
|
|
|
|
#endif
|