To test the aplication first obatin the file simple1.sdf from the Birmingham FTP or WWW site (binary transfer mode). Then make a copy of it for comparison.
% cp simple1.sdf simple2.sdf
% htrace simple1
HTRACE Version 2.1-0
SIMPLE <BINDS> {structure}
DATA_ARRAY[50,50] <_REAL> 128902.,129698.,128552.,131797.,
... 126910.,123719.,129015.,126602.,130871.
Next run the application on the copy of this file to modify its values.
% simple simple2
% htrace simple2
HTRACE Version 2.1-0
SIMPLE <BINDS> {structure}
DATA_ARRAY[50,50] <_REAL> 359.029,360.137,358.541,363.038,
... 356.244,351.738,359.187,355.812,361.761
The following example shows the interface file and error reporting in action,
% simple INP - Dataset > ? Enter the filename of an SDF data file INP - Dataset > simple3 !! ADI_FOPEN : Error opening file object ! Unable to associate parameter INP with file simple3