MODULE M3CSrcPos;
*************************************************************************
Copyright (C) Olivetti 1989
All Rights reserved
Use and copy of this software and preparation of derivative works based
upon this software are permitted to any person, provided this same
copyright notice and the following Olivetti warranty disclaimer are
included in any copy of the software or any modification thereof or
derivative work therefrom made by any person.
This software is made available AS IS and Olivetti disclaims all
warranties with respect to this software, whether expressed or implied
under any law, including all implied warranties of merchantibility and
fitness for any purpose. In no event shall Olivetti be liable for any
damages whatsoever resulting from loss of use, data or profits or
otherwise arising out of or in connection with the use or performance
of this software.
*************************************************************************
CONST
PackingFactor = 1024;
MaxOffset = PackingFactor - 1;
<*INLINE*> PROCEDURE Pack(line, offset: CARDINAL): T RAISES {}=
BEGIN
RETURN line * PackingFactor + MIN(MaxOffset, offset);
END Pack;
<*INLINE*> PROCEDURE Unpack(t: T; VAR offset: CARDINAL): CARDINAL RAISES {}=
BEGIN
offset := t MOD PackingFactor;
RETURN t DIV PackingFactor;
END Unpack;
PROCEDURE Compare(pos1, pos2: T): INTEGER RAISES {}=
BEGIN
RETURN pos1 - pos2;
END Compare;
BEGIN
END M3CSrcPos.