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-rw-r--r--ast/timemap.h285
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diff --git a/ast/timemap.h b/ast/timemap.h
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-#if !defined( TIMEMAP_INCLUDED ) /* Include this file only once */
-#define TIMEMAP_INCLUDED
-/*
-*+
-* Name:
-* timemap.h
-
-* Type:
-* C include file.
-
-* Purpose:
-* Define the interface to the TimeMap class.
-
-* Invocation:
-* #include "timemap.h"
-
-* Description:
-* This include file defines the interface to the TimeMap class and
-* provides the type definitions, function prototypes and macros,
-* etc. needed to use this class.
-*
-* The TimeMap class encapsulates various time coordinate
-* conversions. Since, typically, a sequence of these conversions is
-* required, a TimeMap can be used to accumulate a series of conversions
-* which it then applies in sequence.
-
-* Inheritance:
-* The TimeMap class inherits from the Mapping class.
-
-* Attributes Over-Ridden:
-* None.
-
-* New Attributes Defined:
-* None.
-
-* Methods Over-Ridden:
-* Public:
-* astTransform
-* Use an TimeMap to transform a set of points.
-
-* Protected:
-* astMapMerge
-* Simplify a sequence of Mappings containing an TimeMap.
-
-* New Methods Defined:
-* Public:
-* astTimeAdd
-* Add a coordinate conversion step to an TimeMap.
-
-* Private:
-* None.
-
-* Other Class Functions:
-* Public:
-* astIsATimeMap
-* Test class membership.
-* astTimeMap
-* Create an TimeMap.
-
-* Protected:
-* astCheckTimeMap
-* Validate class membership.
-* astInitTimeMap
-* Initialise an TimeMap.
-* astLoadTimeMap
-* Load an TimeMap.
-
-* Macros:
-* None.
-
-* Type Definitions:
-* Public:
-* AstTimeMap
-* TimeMap object type.
-
-* Protected:
-* AstTimeMapVtab
-* TimeMap virtual function table type.
-
-* Feature Test Macros:
-* astCLASS
-* If the astCLASS macro is undefined, only public symbols are
-* made available, otherwise protected symbols (for use in other
-* class implementations) are defined. This macro also affects
-* the reporting of error context information, which is only
-* provided for external calls to the AST library.
-
-* 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: David S. Berry (Starlink)
-
-* History:
-* 24-MAY-2005 (DSB):
-* Original version.
-*-
-*/
-
-/* Include files. */
-/* ============== */
-/* Interface definitions. */
-/* ---------------------- */
-#include "mapping.h" /* Coordinate 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
-
-/* TimeMap structure. */
-/* ----------------- */
-/* This structure contains all information that is unique to each
- object in the class (e.g. its instance variables). */
-typedef struct AstTimeMap {
-
-/* Attributes inherited from the parent class. */
- AstMapping mapping; /* Parent class structure */
-
-/* Attributes specific to objects in this class. */
- int *cvttype; /* Pointer to array of conversion types */
- double **cvtargs; /* Pointer to argument list pointer array */
- int ncvt; /* Number of conversions to perform */
-} AstTimeMap;
-
-/* 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 AstTimeMapVtab {
-
-/* Properties (e.g. methods) inherited from the parent class. */
- AstMappingVtab mapping_vtab; /* Parent class virtual function table */
-
-/* A Unique identifier to determine class membership. */
- AstClassIdentifier id;
-
-/* Properties (e.g. methods) specific to this class. */
- void (* TimeAdd)( AstTimeMap *, const char *, int, const double[], int * );
-} AstTimeMapVtab;
-
-#if defined(THREAD_SAFE)
-
-/* Define a structure holding all data items that are global within the
- object.c file. */
-
-typedef struct AstTimeMapGlobals {
- AstTimeMapVtab Class_Vtab;
- int Class_Init;
-} AstTimeMapGlobals;
-
-
-/* Thread-safe initialiser for all global data used by this module. */
-void astInitTimeMapGlobals_( AstTimeMapGlobals * );
-
-#endif
-
-
-#endif
-
-/* Function prototypes. */
-/* ==================== */
-/* Prototypes for standard class functions. */
-/* ---------------------------------------- */
-astPROTO_CHECK(TimeMap) /* Check class membership */
-astPROTO_ISA(TimeMap) /* Test class membership */
-
-/* Constructor. */
-#if defined(astCLASS) /* Protected. */
-AstTimeMap *astTimeMap_( int, const char *, int *, ...);
-#else
-AstTimeMap *astTimeMapId_( int, const char *, ... )__attribute__((format(printf,2,3)));
-#endif
-
-#if defined(astCLASS) /* Protected */
-
-/* Initialiser. */
-AstTimeMap *astInitTimeMap_( void *, size_t, int, AstTimeMapVtab *,
- const char *, int, int * );
-
-/* Vtab initialiser. */
-void astInitTimeMapVtab_( AstTimeMapVtab *, const char *, int * );
-
-/* Loader. */
-AstTimeMap *astLoadTimeMap_( void *, size_t, AstTimeMapVtab *,
- const char *, AstChannel *, int * );
-#endif
-
-/* Prototypes for member functions. */
-/* -------------------------------- */
-void astTimeAdd_( AstTimeMap *, const char *, int, const double[], int * );
-
-#if defined(astCLASS) /* Protected. */
-double astDat_( double, int, int * );
-#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 astCheckTimeMap(this) astINVOKE_CHECK(TimeMap,this,0)
-#define astVerifyTimeMap(this) astINVOKE_CHECK(TimeMap,this,1)
-
-/* Test class membership. */
-#define astIsATimeMap(this) astINVOKE_ISA(TimeMap,this)
-
-/* Constructor. */
-#if defined(astCLASS) /* Protected. */
-#define astTimeMap astINVOKE(F,astTimeMap_)
-#else
-#define astTimeMap astINVOKE(F,astTimeMapId_)
-#endif
-
-#if defined(astCLASS) /* Protected */
-
-/* Initialiser. */
-#define astInitTimeMap(mem,size,init,vtab,name,flags) \
-astINVOKE(O,astInitTimeMap_(mem,size,init,vtab,name,flags,STATUS_PTR))
-
-/* Vtab Initialiser. */
-#define astInitTimeMapVtab(vtab,name) astINVOKE(V,astInitTimeMapVtab_(vtab,name,STATUS_PTR))
-/* Loader. */
-#define astLoadTimeMap(mem,size,vtab,name,channel) \
-astINVOKE(O,astLoadTimeMap_(mem,size,vtab,name,astCheckChannel(channel),STATUS_PTR))
-#endif
-
-/* Interfaces to public member functions. */
-/* -------------------------------------- */
-/* Here we make use of astCheckTimeMap to validate TimeMap pointers
- before use. This provides a contextual error report if a pointer
- to the wrong sort of Object is supplied. */
-#define astTimeAdd(this,cvt,narg,args) \
-astINVOKE(V,astTimeAdd_(astCheckTimeMap(this),cvt,narg,args,STATUS_PTR))
-
-#if defined(astCLASS) /* Protected */
-#define astDat(in,forward) astDat_(in,forward,STATUS_PTR)
-#endif
-#endif
-
-
-
-
-