fpc/rtl/inc/mathh.inc
2003-01-20 22:21:36 +00:00

77 lines
2.2 KiB
PHP

{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by Florian Klaempfl,
member of the Free Pascal development team
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.
**********************************************************************}
{ i386 FPU Controlword }
{$ifdef cpui386}
const
Default8087CW : word = $1332;
procedure Set8087CW(cw:word);
function Get8087CW:word;
{$endif cpui386}
{ declarations of the math routines }
function abs(d : extended) : extended;
function arctan(d : extended) : extended;
function cos(d : extended) : extended;
function exp(d : extended) : extended;
function frac(d : extended) : extended;
function int(d : extended) : extended;
function ln(d : extended) : extended;
function pi : extended;
function round(d : extended) : int64;
function sin(d : extended) : extended;
function sqr(d : extended) : extended;
function sqrt(d : extended) : extended;
function trunc(d : extended) : int64;
function power(bas,expo : extended) : extended;
function power(bas,expo : int64) : int64;
type
real48 = array[0..5] of byte;
{$ifdef SUPPORT_DOUBLE}
function Real2Double(r : real48) : double;
operator := (b:real48) d:double;
function fpc_int64_to_double(i: int64): double; compilerproc;
{$endif}
{$ifdef SUPPORT_EXTENDED}
operator := (b:real48) e:extended;
{$endif SUPPORT_EXTENDED}
{
$Log$
Revision 1.12 2003-01-20 22:21:36 mazen
* many stuff related to RTL fixed
Revision 1.11 2003/01/15 00:40:18 peter
* power returns int64
Revision 1.10 2003/01/03 20:34:02 peter
* i386 fpu controlword functions added
Revision 1.9 2002/10/06 21:26:18 peter
* round returns int64
Revision 1.8 2002/09/07 15:07:45 peter
* old logs removed and tabs fixed
Revision 1.7 2002/07/26 22:46:06 florian
* interface of system unit for Linux/PowerPC compiles
}