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#if !defined( CHEBYMAP_INCLUDED ) /* Include this file only once */
#define CHEBYMAP_INCLUDED
/*
*+
* Name:
* chebymap.h
* Type:
* C include file.
* Purpose:
* Define the interface to the ChebyMap class.
* Invocation:
* #include "chebymap.h"
* Description:
* This include file defines the interface to the ChebyMap class and
* provides the type definitions, function prototypes and macros,
* etc. needed to use this class.
* Inheritance:
* The ChebyMap class inherits from the PolyMap class.
* Copyright:
* Copyright (C) 2017 East Asian Observatory.
* All Rights Reserved.
* 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:
* 2-MAR-2017 (DSB):
* Original version.
*-
*/
/* Include files. */
/* ============== */
/* Interface definitions. */
/* ---------------------- */
#include "polymap.h" /* Polynomial mappings (parent class) */
#if defined(astCLASS) /* Protected */
#include "pointset.h" /* Sets of points/coordinates */
#include "channel.h" /* I/O channels */
#endif
/* C header files. */
/* --------------- */
#if defined(astCLASS) /* Protected */
#include <stddef.h>
#endif
/* Macros */
/* ====== */
/* Define a dummy __attribute__ macro for use on non-GNU compilers. */
#ifndef __GNUC__
# define __attribute__(x) /*NOTHING*/
#endif
/* Type Definitions. */
/* ================= */
/* ChebyMap structure. */
/* ------------------ */
/* This structure contains all information that is unique to each object in
the class (e.g. its instance variables). */
typedef struct AstChebyMap {
/* Attributes inherited from the parent class. */
AstPolyMap polymap; /* Parent class structure */
/* Attributes specific to objects in this class. */
int cheby_f; /* Is fwd transformation a Cheby poly? */
int cheby_i; /* Is inv transformation a Cheby poly? */
double *scale_f; /* Pointer to array of input axis scales */
double *offset_f; /* Pointer to array of input axis offsets */
double *scale_i; /* Pointer to array of input axis scales */
double *offset_i; /* Pointer to array of input axis offsets */
} AstChebyMap;
/* Virtual function table. */
/* ----------------------- */
/* This table contains all information that is the same for all
objects in the class (e.g. pointers to its virtual functions). */
#if defined(astCLASS) /* Protected */
typedef struct AstChebyMapVtab {
/* Properties (e.g. methods) inherited from the parent class. */
AstPolyMapVtab polymap_vtab; /* Parent class virtual function table */
/* A Unique identifier to determine class membership. */
AstClassIdentifier id;
/* Properties (e.g. methods) specific to this class. */
void (* ChebyDomain)( AstChebyMap *, int, double *, double *, int * );
} AstChebyMapVtab;
#if defined(THREAD_SAFE)
/* Define a structure holding all data items that are global within the
object.c file. */
typedef struct AstChebyMapGlobals {
AstChebyMapVtab Class_Vtab;
int Class_Init;
} AstChebyMapGlobals;
/* Thread-safe initialiser for all global data used by this module. */
void astInitChebyMapGlobals_( AstChebyMapGlobals * );
#endif
#endif
/* Function prototypes. */
/* ==================== */
/* Prototypes for standard class functions. */
/* ---------------------------------------- */
astPROTO_CHECK(ChebyMap) /* Check class membership */
astPROTO_ISA(ChebyMap) /* Test class membership */
/* Constructor. */
#if defined(astCLASS) /* Protected. */
AstChebyMap *astChebyMap_( int, int, int, const double[], int, const double[],
const double[], const double[], const double[], const double[],
const char *, int *, ...);
#else
AstChebyMap *astChebyMapId_( int, int, int, const double[], int, const double[], const double[], const double[], const double[], const double[], const char *, ... )__attribute__((format(printf,11,12)));
#endif
#if defined(astCLASS) /* Protected */
/* Initialiser. */
AstChebyMap *astInitChebyMap_( void *, size_t, int, AstChebyMapVtab *,
const char *, int, int, int, const double[],
int, const double[], const double[], const double[],
const double[], const double[], int * );
/* Vtab initialiser. */
void astInitChebyMapVtab_( AstChebyMapVtab *, const char *, int * );
/* Loader. */
AstChebyMap *astLoadChebyMap_( void *, size_t, AstChebyMapVtab *,
const char *, AstChannel *, int * );
#endif
/* Prototypes for member functions. */
/* -------------------------------- */
void astChebyDomain_( AstChebyMap *, int, double *, double *, int * );
# if defined(astCLASS) /* Protected */
#endif
/* Function interfaces. */
/* ==================== */
/* These macros are wrap-ups for the functions defined by this class
to make them easier to invoke (e.g. to avoid type mis-matches when
passing pointers to objects from derived classes). */
/* Interfaces to standard class functions. */
/* --------------------------------------- */
/* Some of these functions provide validation, so we cannot use them
to validate their own arguments. We must use a cast when passing
object pointers (so that they can accept objects from derived
classes). */
/* Check class membership. */
#define astCheckChebyMap(this) astINVOKE_CHECK(ChebyMap,this,0)
#define astVerifyChebyMap(this) astINVOKE_CHECK(ChebyMap,this,1)
/* Test class membership. */
#define astIsAChebyMap(this) astINVOKE_ISA(ChebyMap,this)
/* Constructor. */
#if defined(astCLASS) /* Protected. */
#define astChebyMap astINVOKE(F,astChebyMap_)
#else
#define astChebyMap astINVOKE(F,astChebyMapId_)
#endif
#if defined(astCLASS) /* Protected */
/* Initialiser. */
#define astInitChebyMap(mem,size,init,vtab,name,nin,nout,ncoeff_f,coeff_f,ncoeff_i,coeff_i,lbnd_f,ubnd_f,lbnd_i,ubnd_i) \
astINVOKE(O,astInitChebyMap_(mem,size,init,vtab,name,nin,nout,ncoeff_f,coeff_f,ncoeff_i,coeff_i,lbnd_f,ubnd_f,lbnd_i,ubnd_i,STATUS_PTR))
/* Vtab Initialiser. */
#define astInitChebyMapVtab(vtab,name) astINVOKE(V,astInitChebyMapVtab_(vtab,name,STATUS_PTR))
/* Loader. */
#define astLoadChebyMap(mem,size,vtab,name,channel) \
astINVOKE(O,astLoadChebyMap_(mem,size,vtab,name,astCheckChannel(channel),STATUS_PTR))
#endif
/* Interfaces to public member functions. */
/* -------------------------------------- */
/* Here we make use of astCheckChebyMap to validate ChebyMap pointers
before use. This provides a contextual error report if a pointer
to the wrong sort of Object is supplied. */
#define astChebyDomain(this,forward,lbnd,ubnd) \
astINVOKE(V,astChebyDomain_(astCheckChebyMap(this),forward,lbnd,ubnd,STATUS_PTR))
#if defined(astCLASS) /* Protected */
#endif
#endif
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