Solution : https://service.sap.com/sap/support/notes/73265 (SAP Service marketplace login required)
Key words : 
processing numeric characteristics solution p30k144367, additional key words number, bring incorrect results, cl30object searchsearch result, prerequisites programming error, numeric characteristics, object search, fewer hits, search criteria, program lclscf01
Related Notes : 
       
| 128579 | Problems when selecting values > 1 E17 | 
| 108742 | 4.5A Type matching and specialization class node |