File: sigPromotion.hh

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/************************************************************************
 ************************************************************************
    FAUST compiler
    Copyright (C) 2003-2018 GRAME, Centre National de Creation Musicale
    ---------------------------------------------------------------------
    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., 675 Mass Ave, Cambridge, MA 02139, USA.
 ************************************************************************
 ************************************************************************/

#ifndef __SIGPROMOTION__
#define __SIGPROMOTION__

#include "sigIdentity.hh"

//-------------------------SignalPromotion-------------------------------
// Adds explicite int or float cast when needed. This is needed prior
// to any optimisations to avoid to scramble int and float expressions
//----------------------------------------------------------------------

class SignalPromotion : public SignalIdentity {

   public:
    SignalPromotion() {}

   protected:
    virtual Tree transformation(Tree sig);
    Tree         smartIntCast(Type t, Tree sig);
    Tree         smartFloatCast(Type t, Tree sig);
};

#endif