floats.cpp

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/************************************************************************
 ************************************************************************
    FAUST compiler
    Copyright (C) 2003-2004 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.
 ************************************************************************
 ************************************************************************/

#include "floats.hh"

#define FLOATMACRO "FAUSTFLOAT"
#define FLOATCAST "(" FLOATMACRO ")"

//-----------------------------------------------
// float size coding :
//-----------------------------------------------
//          0: external float (macro name)
//          1: single precision float
//          2: double precision float
//          3: long double precision float

extern int  gFloatSize;


const char* mathsuffix[] = {"", "f", "", "l"};                                  // suffix for math functions
const char* numsuffix[]  = {"", "f", "", "L"};                                   // suffix for numeric constants
const char* floatname[]  = {FLOATMACRO, "float", "double", "quad"};      // float types
const char* castname[]   = {FLOATCAST, "(float)", "(double)", "(quad)"}; // float castings

const char* isuffix() { return mathsuffix[gFloatSize]; } 
const char* inumix()  { return numsuffix [gFloatSize]; } 

const char* ifloat() { return floatname[gFloatSize]; }
const char* icast()  { return castname[gFloatSize]; }

const char* xfloat() { return floatname[0]; }
const char* xcast()  { return castname[0]; }

void printfloatdef (std::ostream& fout)
{
    fout << "#ifndef " << FLOATMACRO << std::endl;
    fout << "#define " << FLOATMACRO << " " << "float" << std::endl;
    fout << "#endif  " << std::endl;
    fout << std::endl;
    fout << "typedef long double quad;" << std::endl;
}