SUBROUTINE ADI2_MVAHDU( ID, LUN, IHDU, HDUTYP, STATUS ) *+ * Name * ADI2_MVAHDU * Purpose: * Move to absolute HDU number * Language: * Starlink Fortran * Invocation: * CALL ADI2_MVAHDU( ID, LUN, IHDU, HDUTYP, STATUS ) * Description: * {routine_description} * Arguments: * ID = INTEGER (given) * ADI identifier of FITSfile object * LUN = INTEGER (given) * Logical unit for FITSIO * IHDU = INTEGER (given) * Absolute HDU number required * HDUTYP = INTEGER (returned) * HDU type of HDU * STATUS = INTEGER (given and returned) * The global status. * Examples: * {routine_example_text} * {routine_example_description} * Pitfalls: * {pitfall_description}... * Notes: * {routine_notes}... * Prior Requirements: * {routine_prior_requirements}... * Side Effects: * {routine_side_effects}... * Algorithm: * {algorithm_description}... * Accuracy: * {routine_accuracy} * Timing: * {routine_timing} * External Routines Used: * {name_of_facility_or_package}: * {routine_used}... * Implementation Deficiencies: * {routine_deficiencies}... * References: * ADI Subroutine Guide : http://www.sr.bham.ac.uk/asterix-docs/Programmer/Guides/adi.html * Keywords: * package:adi, usage:private * Copyright: * Copyright (C) University of Birmingham, 1995 * Authors: * DJA: David J. Allan (Jet-X, University of Birmingham) * {enter_new_authors_here} * History: * 11 Sep 1995 (DJA): * Original version. * {enter_changes_here} * Bugs: * {note_any_bugs_here} *- * Type Definitions: IMPLICIT NONE ! No implicit typing * Global Constants: INCLUDE 'SAE_PAR' ! Standard SAE constants * Arguments Given: INTEGER ID, LUN, IHDU * Arguments Returned: INTEGER HDUTYP * Status: INTEGER STATUS ! Global status * Local Variables: INTEGER CHDU ! Current HDU number INTEGER FSTAT ! FITSIO status *. * Check inherited global status. IF ( STATUS .NE. SAI__OK ) RETURN * Get current HDU number CALL ADI_CGET0I( ID, '.CurHdu', CHDU, STATUS ) * Different? IF ( IHDU .EQ. CHDU ) THEN HDUTYP = -1 ELSE * Clear FITSIO status FSTAT = 0 * Try to move to HDU CALL FTMAHD( LUN, IHDU, HDUTYP, FSTAT ) IF ( FSTAT .NE. 0 ) THEN CALL ADI2_FITERP( FSTAT, STATUS ) * Update current HDU number ELSE CALL ADI_CPUT0I( ID, '.CurHdu', IHDU, STATUS ) END IF END IF * Report any errors IF ( STATUS .NE. SAI__OK ) CALL AST_REXIT( 'ADI2_MVAHDU', STATUS ) END