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Diffstat (limited to 'ast/lutmap.h')
| -rw-r--r-- | ast/lutmap.h | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/ast/lutmap.h b/ast/lutmap.h deleted file mode 100644 index 68fa194..0000000 --- a/ast/lutmap.h +++ /dev/null @@ -1,335 +0,0 @@ -#if !defined( LUTMAP_INCLUDED ) /* Include this file only once */ -#define LUTMAP_INCLUDED -/* -*+ -* Name: -* lutmap.h - -* Type: -* C include file. - -* Purpose: -* Define the interface to the LutMap class. - -* Invocation: -* #include "lutmap.h" - -* Description: -* This include file defines the interface to the LutMap class and -* provides the type definitions, function prototypes and macros, -* etc. needed to use this class. -* -* The LutMap class implements Mappings which transform -* 1-dimensional coordinates using linear interpolation in a lookup -* table. - -* Inheritance: -* The LutMap class inherits from the Mapping class. - -* Attributes Over-Ridden: -* None. - -* New Attributes Defined: -* None. - -* Methods Over-Ridden: -* Public: -* None. -* -* Protected: -* astMapMerge -* Simplify a sequence of Mappings. -* astTransform -* Apply a LutMap to transform a set of points. - -* New Methods Defined: -* Public: -* None. -* -* Protected: -* None. - -* Other Class Functions: -* Public: -* astIsALutMap -* Test class membership. -* astLutMap -* Create a LutMap. -* -* Protected: -* astCheckLutMap -* Validate class membership. -* astInitLutMap -* Initialise a LutMap. -* astInitLutMapVtab -* Initialise the virtual function table for the LutMap class. -* astLoadLutMap -* Load a LutMap. - -* Macros: -* None. - -* Type Definitions: -* Public: -* AstLutMap -* LutMap object type. -* -* Protected: -* AstLutMapVtab -* LutMap 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: -* RFWS: R.F. Warren-Smith (Starlink) - -* History: -* 8-JUL-1997 (RFWS): -* Original version. -* 8-JAN-2003 (DSB): -* Added protected astInitLutMapVtab method. -*- -*/ - -/* 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 - -/* Type Definitions. */ -/* ================= */ -/* LutMap structure. */ -/* ------------------ */ -/* This structure contains all information that is unique to each - object in the class (e.g. its instance variables). */ -typedef struct AstLutMap { - -/* Attributes inherited from the parent class. */ - AstMapping mapping; /* Parent class structure */ - -/* Attributes specific to objects in this class. */ - double *lut; /* Pointer to lookup table */ - double *luti; /* Reduced lookup table for inverse trans. */ - double inc; /* Input increment between table entries */ - double last_fwd_in; /* Last input value (forward transfm.) */ - double last_fwd_out; /* Last output value (forward transfm.) */ - double last_inv_in; /* Last input value (inverse transfm.) */ - double last_inv_out; /* Last output value (inverse transfm.) */ - double start; /* Input value for first table entry */ - int *flagsi; /* Flags indicating adjacent bad values */ - int *indexi; /* Translates reduced to original indices */ - double lutepsilon; /* Relative error of table values */ - int lutinterp; /* Interpolation method */ - int nlut; /* Number of table entries */ - int nluti; /* Reduced number of table entries */ -} AstLutMap; - -/* 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 AstLutMapVtab { - -/* 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. */ - int (*GetLutInterp)( AstLutMap *, int * ); - int (* TestLutInterp)( AstLutMap *, int * ); - void (* ClearLutInterp)( AstLutMap *, int * ); - void (* SetLutInterp)( AstLutMap *, int, int * ); - double (*GetLutEpsilon)( AstLutMap *, int * ); - int (* TestLutEpsilon)( AstLutMap *, int * ); - void (* ClearLutEpsilon)( AstLutMap *, int * ); - void (* SetLutEpsilon)( AstLutMap *, double, int * ); - double *(* GetLutMapInfo)( AstLutMap *, double *, double *, int *, int * ); - -} AstLutMapVtab; - -#if defined(THREAD_SAFE) - -/* Define a structure holding all data items that are global within this - class. */ -typedef struct AstLutMapGlobals { - AstLutMapVtab Class_Vtab; - int Class_Init; - char GetAttrib_Buff[ 101 ]; -} AstLutMapGlobals; - -#endif - -#endif - -/* Function prototypes. */ -/* ==================== */ -/* Prototypes for standard class functions. */ -/* ---------------------------------------- */ -astPROTO_CHECK(LutMap) /* Check class membership */ -astPROTO_ISA(LutMap) /* Test class membership */ - -/* Constructor. */ -#if defined(astCLASS) /* Protected. */ -AstLutMap *astLutMap_( int, const double [], double, double, const char *, int *, ...); -#else -AstLutMap *astLutMapId_( int, const double [], double, double, const char *, ... )__attribute__((format(printf,5,6))); -#endif - -#if defined(astCLASS) /* Protected */ - -/* Initialiser. */ -AstLutMap *astInitLutMap_( void *, size_t, int, AstLutMapVtab *, const char *, int, const double *, double, double, int * ); - -/* Vtab initialiser. */ -void astInitLutMapVtab_( AstLutMapVtab *, const char *, int * ); - -/* Loader. */ -AstLutMap *astLoadLutMap_( void *, size_t, AstLutMapVtab *, const char *, AstChannel *, int * ); - -/* Thread-safe initialiser for all global data used by this module. */ -#if defined(THREAD_SAFE) -void astInitLutMapGlobals_( AstLutMapGlobals * ); -#endif - -#endif - -/* Prototypes for member functions. */ -/* -------------------------------- */ -# if defined(astCLASS) /* Protected */ - int astGetLutInterp_( AstLutMap *, int * ); - int astTestLutInterp_( AstLutMap *, int * ); - void astClearLutInterp_( AstLutMap *, int * ); - void astSetLutInterp_( AstLutMap *, int, int * ); - - double astGetLutEpsilon_( AstLutMap *, int * ); - int astTestLutEpsilon_( AstLutMap *, int * ); - void astClearLutEpsilon_( AstLutMap *, int * ); - void astSetLutEpsilon_( AstLutMap *, double, int * ); - - double *astGetLutMapInfo_( AstLutMap *, double *, 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 astCheckLutMap(this) astINVOKE_CHECK(LutMap,this,0) -#define astVerifyLutMap(this) astINVOKE_CHECK(LutMap,this,1) - -/* Test class membership. */ -#define astIsALutMap(this) astINVOKE_ISA(LutMap,this) - -/* Constructor. */ -#if defined(astCLASS) /* Protected. */ -#define astLutMap astINVOKE(F,astLutMap_) -#else -#define astLutMap astINVOKE(F,astLutMapId_) -#endif - -#if defined(astCLASS) /* Protected */ - -/* Initialiser. */ -#define \ -astInitLutMap(mem,size,init,vtab,name,nlut,lut,start,inc) \ -astINVOKE(O,astInitLutMap_(mem,size,init,vtab,name,nlut,lut,start,inc,STATUS_PTR)) - -/* Vtab Initialiser. */ -#define astInitLutMapVtab(vtab,name) astINVOKE(V,astInitLutMapVtab_(vtab,name,STATUS_PTR)) -/* Loader. */ -#define astLoadLutMap(mem,size,vtab,name,channel) \ -astINVOKE(O,astLoadLutMap_(mem,size,vtab,name,astCheckChannel(channel),STATUS_PTR)) -#endif - -/* Interfaces to public member functions. */ -/* -------------------------------------- */ -/* Here we make use of astCheckLutMap to validate LutMap pointers - before use. This provides a contextual error report if a pointer - to the wrong sort of Object is supplied. */ -#if defined(astCLASS) /* Protected */ - -#define astClearLutInterp(this) \ - astINVOKE(V,astClearLutInterp_(astCheckLutMap(this),STATUS_PTR)) -#define astGetLutInterp(this) \ - astINVOKE(V,astGetLutInterp_(astCheckLutMap(this),STATUS_PTR)) -#define astSetLutInterp(this,value) \ - astINVOKE(V,astSetLutInterp_(astCheckLutMap(this),value,STATUS_PTR)) -#define astTestLutInterp(this) \ - astINVOKE(V,astTestLutInterp_(astCheckLutMap(this),STATUS_PTR)) -#define astGetLutMapInfo(this,start,inc,nlut) \ - astINVOKE(V,astGetLutMapInfo_(astCheckLutMap(this),start,inc,nlut,STATUS_PTR)) -#define astClearLutEpsilon(this) \ - astINVOKE(V,astClearLutEpsilon_(astCheckLutMap(this),STATUS_PTR)) -#define astGetLutEpsilon(this) \ - astINVOKE(V,astGetLutEpsilon_(astCheckLutMap(this),STATUS_PTR)) -#define astSetLutEpsilon(this,value) \ - astINVOKE(V,astSetLutEpsilon_(astCheckLutMap(this),value,STATUS_PTR)) -#define astTestLutEpsilon(this) \ - astINVOKE(V,astTestLutEpsilon_(astCheckLutMap(this),STATUS_PTR)) - -#endif - -#endif - - - - - |