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/* $Id: cxtypes.h,v 1.3 2011/02/21 14:15:31 rpalsa Exp $
*
* This file is part of the ESO C Extension Library
* Copyright (C) 2001-2011 European Southern Observatory
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _CX_TYPES_H
#define _CX_TYPES_H
#include <cxconfig.h>
#include <cxmacros.h>
CX_BEGIN_DECLS
/*
* Some mathematical constants. Some strict ISO C implementations
* don't provide them as symbols. The constants provide enough
* digits for the 128 bit IEEE quad
*/
#define CX_E 2.7182818284590452353602874713526625L
#define CX_LN2 0.6931471805599453094172321214581766L
#define CX_LN10 2.3025850929940456840179914546843642L
#define CX_PI 3.1415926535897932384626433832795029L
#define CX_PI_2 1.5707963267948966192313216916397514L
#define CX_PI_4 0.7853981633974483096156608458198757L
#define CX_SQRT2 1.4142135623730950488016887242096981L
/*
* Minimum and maximum constants for fixed size integer types
*/
#define CX_MININT8 ((cxint8) 0x80)
#define CX_MAXINT8 ((cxint8) 0x7f)
#define CX_MAXUINT8 ((cxuint8) 0xff)
#define CX_MININT16 ((cxint16) 0x8000)
#define CX_MAXINT16 ((cxint16) 0x7fff)
#define CX_MAXUINT16 ((cxuint16) 0xffff)
#define CX_MININT32 ((cxint32) 0x80000000)
#define CX_MAXINT32 ((cxint32) 0x7fffffff)
#define CX_MAXUINT32 ((cxuint32) 0xffffffff)
#define CX_MININT64 ((cxint64) CX_INT64_CONSTANT(0x8000000000000000))
#define CX_MAXINT64 CX_INT64_CONSTANT(0x7fffffffffffffff)
#define CX_MAXUINT64 CX_INT64_CONSTANT(0xffffffffffffffffU)
/*
* For completeness: Definitions for standard types
*/
typedef char cxchar;
typedef short cxshort;
typedef int cxint;
typedef long cxlong;
typedef cxint cxbool;
typedef unsigned char cxuchar;
typedef unsigned short cxushort;
typedef unsigned int cxuint;
typedef unsigned long cxulong;
typedef cxuchar cxbyte;
typedef float cxfloat;
typedef double cxdouble;
typedef void * cxptr;
typedef const void * cxcptr;
/*
* Generic, frequently used types.
*/
typedef cxint (*cx_compare_func) (cxcptr a, cxcptr b);
typedef cxint (*cx_compare_data_func) (cxcptr a, cxcptr b, cxptr data);
typedef cxbool (*cx_equal_func) (cxcptr a, cxcptr b);
typedef void (*cx_free_func) (cxptr data);
CX_END_DECLS
#endif /* _CX_TYPES_H */
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