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Diffstat (limited to 'ast/fellipse.c')
| -rw-r--r-- | ast/fellipse.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/ast/fellipse.c b/ast/fellipse.c new file mode 100644 index 0000000..2570a2c --- /dev/null +++ b/ast/fellipse.c @@ -0,0 +1,136 @@ +/* +*+ +* Name: +* fellipse.c + +* Purpose: +* Define a FORTRAN 77 interface to the AST Ellipse 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 Ellipse class. + +* Routines Defined: +* AST_ISAELLIPSE +* AST_ELLIPSE + +* 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: +* 31-AUG-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 "ellipse.h" /* C interface to the Ellipse class */ + + +F77_LOGICAL_FUNCTION(ast_isaellipse)( INTEGER(THIS), INTEGER(STATUS) ) { + GENPTR_INTEGER(THIS) + F77_LOGICAL_TYPE(RESULT); + + astAt( "AST_ISAELLIPSE", NULL, 0 ); + astWatchSTATUS( + RESULT = astIsAEllipse( astI2P( *THIS ) ) ? F77_TRUE : F77_FALSE; + ) + return RESULT; +} + +F77_INTEGER_FUNCTION(ast_ellipse)( INTEGER(FRAME), + INTEGER(FORM), + DOUBLE_ARRAY(POINT1), + DOUBLE_ARRAY(POINT2), + DOUBLE_ARRAY(POINT3), + INTEGER(UNC), + CHARACTER(OPTIONS), + INTEGER(STATUS) + TRAIL(OPTIONS) ) { + GENPTR_INTEGER(FRAME) + GENPTR_INTEGER(FORM) + GENPTR_DOUBLE_ARRAY(POINT1) + GENPTR_DOUBLE_ARRAY(POINT2) + GENPTR_DOUBLE_ARRAY(POINT3) + GENPTR_INTEGER(UNC) + GENPTR_CHARACTER(OPTIONS) + F77_INTEGER_TYPE(RESULT); + char *options; + int i; + + astAt( "AST_ELLIPSE", 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( astEllipse( astI2P( *FRAME ), *FORM, POINT1, POINT2, + POINT3, astI2P( *UNC ), "%s", options ) ); + astFree( options ); + ) + return RESULT; +} + +F77_SUBROUTINE(ast_ellipsepars)( INTEGER(THIS), + DOUBLE_ARRAY(CENTRE), + DOUBLE(A), + DOUBLE(B), + DOUBLE(ANGLE), + DOUBLE_ARRAY(P1), + DOUBLE_ARRAY(P2), + INTEGER(STATUS) ) { + GENPTR_INTEGER(THIS) + GENPTR_DOUBLE_ARRAY(CENTRE) + GENPTR_DOUBLE(A) + GENPTR_DOUBLE(B) + GENPTR_DOUBLE(ANGLE) + GENPTR_DOUBLE_ARRAY(P1) + GENPTR_DOUBLE_ARRAY(P2) + + astAt( "AST_ELLIPSEPARS", NULL, 0 ); + astWatchSTATUS( + astEllipsePars( astI2P( *THIS ), CENTRE, A, B, ANGLE, P1, P2 ); + ) +} + |