/*
# scaled-num.h: declarations for ``scaled'' numbers, which are a 32-bit
#               word with 16 bits of fraction.
#
# Copyright (C) 1992, 2011 Free Software Foundation, Inc.
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
*/



#ifndef SCALED_NUM_H
#define SCALED_NUM_H

#include "types.h"



/* The type.  */
typedef long scaled;

/* Print a scaled number, rounded to five digits.  */
extern void print_scaled (scaled);

/* Conversions to and from C floating-point numbers.  The conversions
   may not be exact, but since we use this to represent physical
   quantities, a tiny loss of accuracy does not matter.  */
extern const real scaled_to_real (scaled);
extern const scaled real_to_scaled (real);

#endif /* not SCALED_NUM_H */