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/*
*+
* Name:
* fpolygon.c
* Purpose:
* Define a FORTRAN 77 interface to the AST Polygon class.
* Type of Module:
* C source file.
* Description:
* This file defines FORTRAN 77-callable C functions which provide
* a public FORTRAN 77 interface to the Polygon class.
* Routines Defined:
* AST_ISAPOLYGON
* AST_POLYGON
* AST_DOWNSIZE
* Copyright:
* Copyright (C) 1997-2006 Council for the Central Laboratory of the
* Research Councils
* Copyright (C) 2009 Science & Technology Facilities Council.
* 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: David S. Berry (Starlink)
* History:
* 27-OCT-2004 (DSB):
* Original version.
* 28-MAY-2009 (DSB):
* Added AST_DOWNSIZE.
*/
/* Define the astFORTRAN77 macro which prevents error messages from
AST C functions from reporting the file and line number where the
error occurred (since these would refer to this file, they would
not be useful). */
#define astFORTRAN77
/* Header files. */
/* ============= */
#include "f77.h" /* FORTRAN <-> C interface macros (SUN/209) */
#include "c2f77.h" /* F77 <-> C support functions/macros */
#include "error.h" /* Error reporting facilities */
#include "memory.h" /* Memory handling facilities */
#include "polygon.h" /* C interface to the Polygon class */
F77_LOGICAL_FUNCTION(ast_isapolygon)( INTEGER(THIS), INTEGER(STATUS) ) {
GENPTR_INTEGER(THIS)
F77_LOGICAL_TYPE(RESULT);
astAt( "AST_ISAPOLYGON", NULL, 0 );
astWatchSTATUS(
RESULT = astIsAPolygon( astI2P( *THIS ) ) ? F77_TRUE : F77_FALSE;
)
return RESULT;
}
F77_INTEGER_FUNCTION(ast_polygon)( INTEGER(FRAME),
INTEGER(NPNT),
INTEGER(INDIM),
DOUBLE_ARRAY(POINTS),
INTEGER(UNC),
CHARACTER(OPTIONS),
INTEGER(STATUS)
TRAIL(OPTIONS) ) {
GENPTR_INTEGER(FRAME)
GENPTR_INTEGER(NPNT)
GENPTR_INTEGER(INDIM)
GENPTR_DOUBLE_ARRAY(POINTS)
GENPTR_INTEGER(UNC)
GENPTR_CHARACTER(OPTIONS)
F77_INTEGER_TYPE(RESULT);
char *options;
int i;
astAt( "AST_POLYGON", NULL, 0 );
astWatchSTATUS(
options = astString( OPTIONS, OPTIONS_length );
/* Truncate the options string to exlucde any trailing spaces. */
astChrTrunc( options );
/* Change ',' to '\n' (see AST_SET in fobject.c for why). */
if ( astOK ) {
for ( i = 0; options[ i ]; i++ ) {
if ( options[ i ] == ',' ) options[ i ] = '\n';
}
}
RESULT = astP2I( astPolygon( astI2P( *FRAME ), *NPNT, *INDIM, POINTS,
astI2P( *UNC ), "%s", options ) );
astFree( options );
)
return RESULT;
}
F77_INTEGER_FUNCTION(ast_downsize)( INTEGER(THIS),
DOUBLE(MAXERR),
INTEGER(MAXVERT),
INTEGER(STATUS) ) {
GENPTR_INTEGER(THIS)
GENPTR_DOUBLE(MAXERR)
GENPTR_INTEGER(MAXVERT)
F77_INTEGER_TYPE(RESULT);
astAt( "AST_DOWNSIZE", NULL, 0 );
astWatchSTATUS(
RESULT = astP2I( astDownsize( astI2P( *THIS ), *MAXERR, *MAXVERT ) );
)
return RESULT;
}
/* AST_OUTLINE<X> requires a function for each possible data type, so
define it via a macro. */
#define MAKE_AST_OUTLINE(f,F,Ftype,X,Xtype) \
F77_INTEGER_FUNCTION(ast_outline##f)( Ftype(VALUE), \
INTEGER(OPER), \
Ftype##_ARRAY(ARRAY), \
INTEGER_ARRAY(LBND), \
INTEGER_ARRAY(UBND), \
DOUBLE(MAXERR), \
INTEGER(MAXVERT), \
INTEGER_ARRAY(INSIDE), \
LOGICAL(STARPIX), \
INTEGER(STATUS) ) { \
GENPTR_##Ftype(VALUE) \
GENPTR_INTEGER(OPER) \
GENPTR_##Ftype##_ARRAY(ARRAY) \
GENPTR_INTEGER_ARRAY(LBND) \
GENPTR_INTEGER_ARRAY(UBND) \
GENPTR_DOUBLE(MAXERR) \
GENPTR_INTEGER(MAXVERT) \
GENPTR_INTEGER_ARRAY(INSIDE) \
GENPTR_LOGICAL(STARPIX) \
GENPTR_INTEGER(STATUS) \
\
F77_INTEGER_TYPE RESULT; \
\
astAt( "AST_OUTLINE"#F, NULL, 0 ); \
astWatchSTATUS( \
RESULT = astP2I( astOutline##X( *VALUE, *OPER, (Xtype *) ARRAY, LBND, \
UBND, *MAXERR, *MAXVERT, INSIDE, \
F77_ISTRUE( *STARPIX ) ? 1 : 0 ) ); \
) \
return RESULT; \
}
/* Invoke the above macro to define a function for each data
type. Include synonyms for some functions. */
MAKE_AST_OUTLINE(d,D,DOUBLE,D,double)
MAKE_AST_OUTLINE(r,R,REAL,F,float)
MAKE_AST_OUTLINE(i,I,INTEGER,I,int)
MAKE_AST_OUTLINE(ui,UI,INTEGER,UI,unsigned int)
MAKE_AST_OUTLINE(s,S,WORD,S,short int)
MAKE_AST_OUTLINE(us,US,UWORD,US,unsigned short int)
MAKE_AST_OUTLINE(w,W,WORD,S,short int)
MAKE_AST_OUTLINE(uw,UW,UWORD,US,unsigned short int)
MAKE_AST_OUTLINE(b,B,BYTE,B,signed char)
MAKE_AST_OUTLINE(ub,UB,UBYTE,UB,unsigned char)
#undef MAKE_AST_OUTLINE
/* AST_CONVEX<X> requires a function for each possible data type, so
define it via a macro. */
#define MAKE_AST_CONVEX(f,F,Ftype,X,Xtype) \
F77_INTEGER_FUNCTION(ast_convex##f)( Ftype(VALUE), \
INTEGER(OPER), \
Ftype##_ARRAY(ARRAY), \
INTEGER_ARRAY(LBND), \
INTEGER_ARRAY(UBND), \
LOGICAL(STARPIX), \
INTEGER(STATUS) ) { \
GENPTR_##Ftype(VALUE) \
GENPTR_INTEGER(OPER) \
GENPTR_##Ftype##_ARRAY(ARRAY) \
GENPTR_INTEGER_ARRAY(LBND) \
GENPTR_INTEGER_ARRAY(UBND) \
GENPTR_LOGICAL(STARPIX) \
GENPTR_INTEGER(STATUS) \
\
F77_INTEGER_TYPE RESULT; \
\
astAt( "AST_CONVEX"#F, NULL, 0 ); \
astWatchSTATUS( \
RESULT = astP2I( astConvex##X( *VALUE, *OPER, (Xtype *) ARRAY, LBND, \
UBND, F77_ISTRUE( *STARPIX ) ? 1 : 0 ) ); \
) \
return RESULT; \
}
/* Invoke the above macro to define a function for each data
type. Include synonyms for some functions. */
MAKE_AST_CONVEX(d,D,DOUBLE,D,double)
MAKE_AST_CONVEX(r,R,REAL,F,float)
MAKE_AST_CONVEX(i,I,INTEGER,I,int)
MAKE_AST_CONVEX(ui,UI,INTEGER,UI,unsigned int)
MAKE_AST_CONVEX(s,S,WORD,S,short int)
MAKE_AST_CONVEX(us,US,UWORD,US,unsigned short int)
MAKE_AST_CONVEX(w,W,WORD,S,short int)
MAKE_AST_CONVEX(uw,UW,UWORD,US,unsigned short int)
MAKE_AST_CONVEX(b,B,BYTE,B,signed char)
MAKE_AST_CONVEX(ub,UB,UBYTE,UB,unsigned char)
#undef MAKE_AST_CONVEX
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