HP Pascal/iX Reference Manual (31502-90022)

5:- 3
what := false;
lie := NOT true;
IF what = lie THEN writeln('Would I lie?');
END.
Output:
Would I lie?
true
This predefined Boolean constant is equal to the Boolean value true . The
ordinal value of true is 1.
Example
PROGRAM show_true(output);
VAR
what, truth : boolean;
BEGIN
IF true THEN writeln('Always true, always printed.');
what := true;
truth := NOT false;
IF what = truth THEN writeln('Everything I say is a lie.');
END.
Output:
Always true, always printed.
Everything I say is a lie.
maxint
This standard constant returns the upper bound of the integer type. The
value is implementation defined, however, it must allow for at least nine
decimal digits. For more information, see the HP Pascal/iX Programmer's
Guide or the HP Pascal/HP-UX Programmer's Guide , depending on your
implementation.
Example
PROGRAM show_maxint(input,output);
VAR
i,j : integer;
r : real;
BEGIN
readln(i,j);
r := i + j;
IF r > maxint THEN writeln('Sum too large for integers.');
END.
minint
This standard constant returns the lower bound of the integer type. The
value is implementation defined, however, it must allow at least nine
decimal digits. In general, the range of signed integers allows the
absolute value of minint to be greater than maxint . For more
information, see the HP Pascal/iX Programmer's Guide or the HP
Pascal/HP-UX Programmer's Guide , depending on your implementation.
Example
PROGRAM show_minint(input,output);
VAR
i,j : integer;
r : real;
BEGIN
readln(i,j);
r := i - j;
IF r < minint THEN writeln('Difference too large for integers.');
END.