/*
# moretypes.h: common types beyond types.h.
#
# Copyright (C) 1993, 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 MORETYPES_H
#define MORETYPES_H

/* We use `real' for our floating-point variables.  */
typedef double real;

/* A character code.  Perhaps someday we will allow for 16-bit
   character codes, but for now we are restricted to 256 characters per
   font (like TeX and PostScript).  */
typedef unsigned char charcode_type;


/* Used in file formats.  */
typedef unsigned char one_byte;
typedef signed char signed_byte;
typedef unsigned short two_bytes;
typedef short signed_2_bytes;
typedef unsigned int four_bytes;
typedef int signed_4_bytes;
typedef int byte_count_type;

/* These are intended to be used for output in file formats where a
   ``byte'' is defined to be eight bits, regardless of the hardware.  */
#define ONE_BYTE_BIG  (1 << 8)
#define TWO_BYTES_BIG  (1 << 16)
#define THREE_BYTES_BIG (1 << 24)


/* Complex numbers.  */
typedef struct
{
  real real;
  real imag;
} complex;
typedef enum { first_complex_part, second_complex_part} complex_part_type;
typedef enum { polar_rep, rectangular_rep} complex_rep_type;


/* Dimensions of a rectangle.  */
typedef struct
{
  unsigned height, width;
} dimensions_type;

#define DIMENSIONS_HEIGHT(d) ((d).height)
#define DIMENSIONS_WIDTH(d) ((d).width)


/* Cartesian points.  */
typedef struct
{
  int x, y;
} coordinate_type;

typedef struct
{
  double x, y;
} real_coordinate_type;

#endif /* not MORETYPES_H */