david
7ebea5ffa7
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@12 7f62d464-2af8-f54e-996c-e91b33f51cbe
151 lines
3.5 KiB
ObjectPascal
151 lines
3.5 KiB
ObjectPascal
{-----------------------------------------------------------------------------
|
|
The contents of this file are subject to the Mozilla Public License
|
|
Version 1.1 (the "License"); you may not use this file except in compliance
|
|
with the License. You may obtain a copy of the License at
|
|
http://www.mozilla.org/MPL/MPL-1.1.html
|
|
|
|
Software distributed under the License is distributed on an "AS IS" basis,
|
|
WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
|
|
the specific language governing rights and limitations under the License.
|
|
|
|
The Original Code is: JvSAL.PAS, released on 2002-06-15.
|
|
|
|
The Initial Developer of the Original Code is Jan Verhoeven [jan1 dott verhoeven att wxs dott nl]
|
|
Portions created by Jan Verhoeven are Copyright (C) 2002 Jan Verhoeven.
|
|
All Rights Reserved.
|
|
|
|
Contributor(s): Robert Love [rlove att slcdug dott org].
|
|
|
|
You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
|
|
located at http://jvcl.sourceforge.net
|
|
|
|
Known Issues:
|
|
-----------------------------------------------------------------------------}
|
|
// $Id: JvSALMath.pas 10612 2006-05-19 19:04:09Z jfudickar $
|
|
|
|
unit JvSALMath;
|
|
|
|
{$I jvcl.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
{$IFDEF UNITVERSIONING}
|
|
JclUnitVersioning,
|
|
{$ENDIF UNITVERSIONING}
|
|
SysUtils, Classes, Math,
|
|
JvSAL, JvTypes;
|
|
|
|
type
|
|
TJvSALMath = class(TComponent)
|
|
private
|
|
FSal: TJvSAL;
|
|
public
|
|
procedure AddProcedures(ASal: TJvSAL);
|
|
procedure XSin;
|
|
procedure XArcSin;
|
|
procedure XCos;
|
|
procedure XArcCos;
|
|
procedure XTan;
|
|
procedure XArcTan;
|
|
procedure XPi;
|
|
procedure XExp;
|
|
procedure XLn;
|
|
end;
|
|
|
|
{$IFDEF UNITVERSIONING}
|
|
const
|
|
UnitVersioning: TUnitVersionInfo = (
|
|
RCSfile: '$URL: https://jvcl.svn.sourceforge.net/svnroot/jvcl/branches/JVCL3_36_PREPARATION/run/JvSALMath.pas $';
|
|
Revision: '$Revision: 10612 $';
|
|
Date: '$Date: 2006-05-19 21:04:09 +0200 (ven., 19 mai 2006) $';
|
|
LogPath: 'JVCL\run'
|
|
);
|
|
{$ENDIF UNITVERSIONING}
|
|
|
|
implementation
|
|
|
|
|
|
procedure TJvSALMath.AddProcedures(ASal: TJvSAL);
|
|
begin
|
|
FSal := ASal;
|
|
FSal.AddProcedure('sin', XSin, nil);
|
|
FSal.AddProcedure('cos', XCos, nil);
|
|
FSal.AddProcedure('tan', XTan, nil);
|
|
// (rom) using XSin, XCos, XTan looks suspicious. Incomplete?
|
|
FSal.AddProcedure('arcsin', XSin, nil);
|
|
FSal.AddProcedure('arccos', XCos, nil);
|
|
FSal.AddProcedure('arctan', XTan, nil);
|
|
FSal.AddProcedure('pi', XPi, nil);
|
|
// (rom) using XPi looks suspicious. Incomplete?
|
|
FSal.AddProcedure('exp', XPi, nil);
|
|
FSal.AddProcedure('ln', XPi, nil);
|
|
end;
|
|
|
|
procedure TJvSALMath.XSin;
|
|
var
|
|
V1: Variant;
|
|
begin
|
|
V1 := FSal.Pop;
|
|
V1 := Sin(V1);
|
|
FSal.Push(V1);
|
|
end;
|
|
|
|
procedure TJvSALMath.XCos;
|
|
var
|
|
V1: Variant;
|
|
begin
|
|
V1 := FSal.Pop;
|
|
V1 := Cos(V1);
|
|
FSal.Push(V1);
|
|
end;
|
|
|
|
procedure TJvSALMath.XTan;
|
|
var
|
|
V1: Variant;
|
|
begin
|
|
V1 := FSal.Pop;
|
|
V1 := Tan(V1);
|
|
FSal.Push(V1);
|
|
end;
|
|
|
|
procedure TJvSALMath.XPi;
|
|
begin
|
|
FSal.Push(Pi);
|
|
end;
|
|
|
|
procedure TJvSALMath.XArcCos;
|
|
begin
|
|
FSal.Push(ArcCos(FSal.Pop));
|
|
end;
|
|
|
|
procedure TJvSALMath.XArcSin;
|
|
begin
|
|
FSal.Push(ArcSin(FSal.Pop));
|
|
end;
|
|
|
|
procedure TJvSALMath.XArcTan;
|
|
begin
|
|
FSal.Push(ArcTan(FSal.Pop));
|
|
end;
|
|
|
|
procedure TJvSALMath.XExp;
|
|
begin
|
|
FSal.Push(Exp(FSal.Pop));
|
|
end;
|
|
|
|
procedure TJvSALMath.XLn;
|
|
begin
|
|
FSal.Push(Ln(FSal.Pop));
|
|
end;
|
|
|
|
{$IFDEF UNITVERSIONING}
|
|
initialization
|
|
RegisterUnitVersion(HInstance, UnitVersioning);
|
|
|
|
finalization
|
|
UnregisterUnitVersion(HInstance);
|
|
{$ENDIF UNITVERSIONING}
|
|
|
|
end.
|