/*
 *  conversion.h
 *  Wcalc
 *
 *  Created by Kyle Wheeler on Wed Jul 31 2002.
 *  Copyright (c) 2002 Kyle Wheeler. All rights reserved.
 *
 */
#ifndef WCALC_CONVERSIONS
#define WCALC_CONVERSIONS

#include "number.h"

void uber_conversion(Number output, const int utype, const int fromunit, const int tounit,
		     Number value);
int identify_unit(const char *unit);
int identify_units(const char *unit1, const char *unit2);
int unit_id(const int utype, const char *unit);

struct conversion
{
    char *factor;
    char *name;
    char *aka[9];
};

struct conv_req
{
    char *u1;
    char *u2;
};

/* Conversion Types */
#define MAX_TYPE        10
#define LENGTH_C        0 /*-*/
#define AREA_C          1 /*-*/
#define VOLUME_C        2 /*-*/
#define MASS_C          3 /*-*/
#define SPEED_C         4 /*-*/
#define POWER_C         5 /*-*/
#define FORCE_C         6 /*-*/
#define ACCELERATION_C  7 /*-*/
#define TEMPERATURE_C   8 /*-*/
#define ANGLE_C		9 /*-*/
#define PRESSURE_C	10 /**/
/* Astronomical Units */
#define MAX_ASTRONOMICAL_UNIT 5
#define A_METERS          0
#define A_KILOMETERS      1
#define A_MILES           2
#define LIGHT_YEAR        4
#define PARSEC            5
/* Length Units */
#define LENGTH_UNIT_COUNT		87
/* Area Units */
#define AREA_UNIT_COUNT			74
/* Volume Units */
#define VOLUME_UNIT_COUNT		136
/* Angle Units */
#define ANGLE_UNIT_COUNT		12
/* Mass Units */
#define MASS_UNIT_COUNT			66
/* Speed Units */
#define SPEED_UNIT_COUNT		17
/* Power Units */
#define POWER_UNIT_COUNT		45
/* Force Units */
#define FORCE_UNIT_COUNT		13
/* Acceleration Units */
#define ACCELERATION_UNIT_COUNT		23
/* Pressure Units */
#define PRESSURE_UNIT_COUNT		41
/* Temperature Units */
#define TEMPERATURE_UNIT_COUNT	5
#define KELVIN		0
#define CELSIUS		1
#define RANKINE		2
#define FARENHEIT	3
#define REAUMUR		4
extern const struct conversion *conversions[MAX_TYPE + 2];

#endif