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#if !defined( UNIT_INCLUDED ) /* Include this file only once */
#define UNIT_INCLUDED
/*
*+
* Name:
* unit.h
* Purpose:
* Define the interface to the Unit module.
* Description:
* This module defines functions which identify units and transform
* between them.
*
* Note that this module is not a class implementation, although it
* resembles one.
* Functions Defined:
* Public:
* None.
*
* Protected:
* Copyright:
* Copyright (C) 1997-2006 Council for the Central Laboratory of the
* Research Councils
* Licence:
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* License along with this program. If not, see
* <http://www.gnu.org/licenses/>.
* Authors:
* DSB: D.S. Berry (Starlink)
* History:
* 10-DEC-2002 (DSB):
* Original version.
*-
*/
/* Include files. */
/* ============== */
#include "mapping.h" /* Coordinate mappings */
/* C header files. */
/* --------------- */
/* Function prototypes. */
/* ==================== */
#if defined(astCLASS) /* Protected */
AstMapping *astUnitMapper_( const char *, const char *, const char *,
char **, int * );
const char *astUnitLabel_( const char *, int * );
double astUnitAnalyser_( const char *, double[9], int * );
const char *astUnitNormaliser_( const char *, int * );
#endif
/* Function interfaces. */
/* ==================== */
/* These wrap up the functions defined by this module. */
#if defined(astCLASS) /* Protected */
#define astUnitMapper(in,out,inlab,outlab) astINVOKE(O,astUnitMapper_(in,out,inlab,outlab,STATUS_PTR))
#define astUnitAnalyser(in,powers) astUnitAnalyser_(in,powers,STATUS_PTR)
#define astUnitNormaliser(in) astUnitNormaliser_(in,STATUS_PTR)
#define astUnitLabel(sym) astINVOKE(O,astUnitLabel_(sym,STATUS_PTR))
#endif
#endif
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