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(* Copyright (C) 2009 Free Software Foundation, Inc. *)
(* This file is part of GNU Modula-2.
GNU Modula-2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with gm2; see the file COPYING. If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *)
MODULE testreal4 ;
FROM InOut IMPORT WriteLn, WriteString ;
FROM RealConversions IMPORT SetNoOfExponentDigits,
LongRealToString ;
FROM StrLib IMPORT StrEqual ;
PROCEDURE Assert (b: BOOLEAN) ;
BEGIN
IF NOT b
THEN
WriteString('assertion failed') ; WriteLn ;
r := 1
END
END Assert ;
VAR
s: ARRAY [0..40] OF CHAR ;
ok: BOOLEAN ;
r : INTEGER ;
BEGIN
r := 0 ;
SetNoOfExponentDigits(3) ;
LongRealToString(0.0123456789, -8, 15, s, ok) ;
Assert(StrEqual(s, '1.23456789E-002') AND ok) ;
IF ok
THEN
WriteString(s) ; WriteLn
END ;
IF NOT StrEqual(s, '1.23456789E-002')
THEN
WriteString('expecting 1.23456789E-002 and received ') ; WriteString(s) ; WriteLn
END ;
LongRealToString(1.23456789, -8, 15, s, ok) ;
Assert(StrEqual(s, '1.23456789E+000') AND ok) ;
IF ok
THEN
WriteString(s) ; WriteLn
END ;
IF NOT StrEqual(s, '1.23456789E+000')
THEN
WriteString('expecting 1.23456789E+000 and received ') ; WriteString(s) ; WriteLn
END ;
HALT(r)
END testreal4.
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