SUBROUTINE SLN1_NREC( NARG, ARGS, OARG, STATUS ) *+ * Name: * SLN1_NREC * Purpose: * Get number of selection records for HDSfile * Language: * Starlink Fortran * Invocation: * CALL SLN1_NREC( NARG, ARGS, OARG, STATUS ) * Description: * {routine_description} * Arguments: * NARG = INTEGER (given) * Number of method arguments * ARGS(*) = INTEGER (given) * ADI identifier of method arguments * OARG = INTEGER (returned) * Output data * 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: * SLN Subroutine Guide : http://www.sr.bham.ac.uk/asterix-docs/Programmer/Guides/sln.html * Keywords: * package:sln, usage:private * Copyright: * Copyright (C) University of Birmingham, 1995 * Authors: * DJA: David J. Allan (Jet-X, University of Birmingham) * {enter_new_authors_here} * History: * 4 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 INCLUDE 'ADI_PAR' INCLUDE 'DAT_PAR' * Arguments Given: INTEGER NARG ! # arguments INTEGER ARGS(*) ! Method arguments * Arguments Returned: INTEGER OARG ! Returned data * Status: INTEGER STATUS ! Global status * Local Variables: CHARACTER*(DAT__SZLOC) SLOC ! SORT box INTEGER DIM ! Dimension of SORT INTEGER NDIM ! Dimensionality of SORT LOGICAL THERE ! Component exists? *. * Check inherited global status. IF ( STATUS .NE. SAI__OK ) RETURN * Initialise OARG = ADI__NULLID * Locate sort box CALL ADI1_LOCSORT( ARGS(1), .FALSE., SLOC, STATUS ) * Get dimensions IF ( STATUS .NE. SAI__OK ) THEN CALL ERR_ANNUL( STATUS ) DIM = 0 ELSE CALL DAT_SHAPE( SLOC, 1, DIM, NDIM, STATUS ) IF ( NDIM .EQ. 0 ) THEN CALL DAT_THERE( SLOC, 'SRECS', THERE, STATUS ) IF ( THERE ) THEN CALL CMP_SHAPE( SLOC, 'SRECS', 1, DIM, NDIM, STATUS ) DIM = DIM + 1 ELSE DIM = 1 END IF END IF END IF * Write dimensions CALL ADI_NEWV0I( DIM, OARG, STATUS ) * Report any errors IF ( STATUS .NE. SAI__OK ) CALL AST_REXIT( 'SLN1_NREC', STATUS ) END