// -*- C++ -*-/*************************************************************************** * blitz/update.h      Declaration of the _bz_XXXX updater classes * * $Id: update.h,v 1.5 2004/03/09 21:55:31 julianc Exp $ * * Copyright (C) 1997-2001 Todd Veldhuizen <tveldhui@oonumerics.org> * * 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. * * Suggestions:          blitz-dev@oonumerics.org * Bugs:                 blitz-bugs@oonumerics.org * * For more information, please see the Blitz++ Home Page: *    http://oonumerics.org/blitz/ * ***************************************************************************/#ifndef BZ_UPDATE_H#define BZ_UPDATE_H#include <blitz/blitz.h>BZ_NAMESPACE(blitz)class _bz_updater_base { };#define BZ_DECL_UPDATER(name,op,symbol)                     \  template<typename X, typename Y>                          \  class name : public _bz_updater_base {                    \  public:                                                   \    static inline void update(X& restrict x, Y y)           \    { x op y; }                                             \    static void prettyPrint(BZ_STD_SCOPE(string) &str)      \    { str += symbol; }                                      \  }template<typename X, typename Y>class _bz_update : public _bz_updater_base {  public:    static inline void update(X& restrict x, Y y)    { x = (X)y; }    static void prettyPrint(BZ_STD_SCOPE(string) &str)    { str += "="; }};BZ_DECL_UPDATER(_bz_plus_update, +=, "+=");BZ_DECL_UPDATER(_bz_minus_update, -=, "-=");BZ_DECL_UPDATER(_bz_multiply_update, *=, "*=");BZ_DECL_UPDATER(_bz_divide_update, /=, "/=");BZ_DECL_UPDATER(_bz_mod_update, %=, "%=");BZ_DECL_UPDATER(_bz_xor_update, ^=, "^=");BZ_DECL_UPDATER(_bz_bitand_update, &=, "&=");BZ_DECL_UPDATER(_bz_bitor_update, |=, "|=");BZ_DECL_UPDATER(_bz_shiftl_update, <<=, "<<=");BZ_DECL_UPDATER(_bz_shiftr_update, >>=, ">>=");BZ_NAMESPACE_END#endif // BZ_UPDATE_H