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{
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2007 by Several contributors
Generic mathematical routines (on type currency)
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program 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.
}
{$ifdef FPC_CURRENCY_IS_INT64}
function trunc(c : currency) : int64;
type
tmyrec = record
i: int64;
end;
begin
result := int64(tmyrec(c)) div 10000
end;
function trunc(c : comp) : int64;
begin
result := c
end;
function round(c : currency) : int64;
type
tmyrec = record
i: int64;
end;
var
rem, absrem: longint;
begin
{ (int64(tmyrec(c))(+/-)5000) div 10000 can overflow }
result := int64(tmyrec(c)) div 10000;
rem := int64(tmyrec(c)) - result * 10000;
absrem := abs(rem);
if (absrem > 5000) or
((absrem = 5000) and
(rem > 0)) then
if (rem > 0) then
inc(result)
else
dec(result);
end;
function round(c : comp) : int64;
begin
result := c
end;
{$endif FPC_CURRENCY_IS_INT64}
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