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/*
*+
* Name:
* fnullregion.c
* Purpose:
* Define a FORTRAN 77 interface to the AST NullRegion 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 NullRegion class.
* Routines Defined:
* AST_ISANULLREGION
* AST_NULLREGION
* 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:
* 12-OCT-2004 (DSB):
* Original version.
*/
/* 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 "nullregion.h" /* C interface to the NullRegion class */
F77_LOGICAL_FUNCTION(ast_isanullregion)( INTEGER(THIS), INTEGER(STATUS) ) {
GENPTR_INTEGER(THIS)
F77_LOGICAL_TYPE(RESULT);
astAt( "AST_ISANULLREGION", NULL, 0 );
astWatchSTATUS(
RESULT = astIsANullRegion( astI2P( *THIS ) ) ? F77_TRUE : F77_FALSE;
)
return RESULT;
}
F77_INTEGER_FUNCTION(ast_nullregion)( INTEGER(FRAME),
INTEGER(UNC),
CHARACTER(OPTIONS),
INTEGER(STATUS)
TRAIL(OPTIONS) ) {
GENPTR_INTEGER(FRAME)
GENPTR_INTEGER(UNC)
GENPTR_CHARACTER(OPTIONS)
F77_INTEGER_TYPE(RESULT);
char *options;
int i;
astAt( "AST_NULLREGION", 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( astNullRegion( astI2P( *FRAME ), astI2P( *UNC ), "%s", options ) );
astFree( options );
)
return RESULT;
}
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