david
78ab77cd4c
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.jvcl@19 7f62d464-2af8-f54e-996c-e91b33f51cbe
150 lines
3.5 KiB
ObjectPascal
150 lines
3.5 KiB
ObjectPascal
{-----------------------------------------------------------------------------
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The contents of this file are subject to the Mozilla Public License
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Version 1.1 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1.1.html
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
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the specific language governing rights and limitations under the License.
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The Original Code is: JvSAL.PAS, released on 2002-06-15.
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The Initial Developer of the Original Code is Jan Verhoeven [jan1 dott verhoeven att wxs dott nl]
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Portions created by Jan Verhoeven are Copyright (C) 2002 Jan Verhoeven.
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All Rights Reserved.
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Contributor(s): Robert Love [rlove att slcdug dott org].
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You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
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located at http://jvcl.delphi-jedi.org
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Known Issues:
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-----------------------------------------------------------------------------}
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// $Id: JvSALMath.pas 12461 2009-08-14 17:21:33Z obones $
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unit JvSALMath;
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{$I jvcl.inc}
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interface
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uses
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{$IFDEF UNITVERSIONING}
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JclUnitVersioning,
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{$ENDIF UNITVERSIONING}
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SysUtils, Classes, Math,
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JvSAL, JvTypes;
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type
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TJvSALMath = class(TComponent)
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private
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FSal: TJvSAL;
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public
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procedure AddProcedures(ASal: TJvSAL);
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procedure XSin;
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procedure XArcSin;
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procedure XCos;
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procedure XArcCos;
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procedure XTan;
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procedure XArcTan;
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procedure XPi;
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procedure XExp;
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procedure XLn;
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end;
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{$IFDEF UNITVERSIONING}
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const
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UnitVersioning: TUnitVersionInfo = (
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RCSfile: '$URL: https://jvcl.svn.sourceforge.net/svnroot/jvcl/tags/JVCL3_39/run/JvSALMath.pas $';
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Revision: '$Revision: 12461 $';
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Date: '$Date: 2009-08-14 19:21:33 +0200 (ven., 14 août 2009) $';
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LogPath: 'JVCL\run'
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);
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{$ENDIF UNITVERSIONING}
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implementation
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procedure TJvSALMath.AddProcedures(ASal: TJvSAL);
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begin
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FSal := ASal;
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FSal.AddProcedure('sin', XSin, nil);
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FSal.AddProcedure('cos', XCos, nil);
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FSal.AddProcedure('tan', XTan, nil);
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// (rom) using XSin, XCos, XTan looks suspicious. Incomplete?
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FSal.AddProcedure('arcsin', XSin, nil);
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FSal.AddProcedure('arccos', XCos, nil);
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FSal.AddProcedure('arctan', XTan, nil);
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FSal.AddProcedure('pi', XPi, nil);
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// (rom) using XPi looks suspicious. Incomplete?
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FSal.AddProcedure('exp', XPi, nil);
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FSal.AddProcedure('ln', XPi, nil);
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end;
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procedure TJvSALMath.XSin;
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var
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V1: Variant;
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begin
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V1 := FSal.Pop;
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V1 := Sin(V1);
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FSal.Push(V1);
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end;
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procedure TJvSALMath.XCos;
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var
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V1: Variant;
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begin
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V1 := FSal.Pop;
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V1 := Cos(V1);
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FSal.Push(V1);
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end;
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procedure TJvSALMath.XTan;
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var
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V1: Variant;
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begin
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V1 := FSal.Pop;
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V1 := Tan(V1);
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FSal.Push(V1);
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end;
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procedure TJvSALMath.XPi;
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begin
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FSal.Push(Pi);
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end;
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procedure TJvSALMath.XArcCos;
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begin
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FSal.Push(ArcCos(FSal.Pop));
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end;
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procedure TJvSALMath.XArcSin;
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begin
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FSal.Push(ArcSin(FSal.Pop));
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end;
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procedure TJvSALMath.XArcTan;
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begin
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FSal.Push(ArcTan(FSal.Pop));
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end;
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procedure TJvSALMath.XExp;
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begin
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FSal.Push(Exp(FSal.Pop));
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end;
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procedure TJvSALMath.XLn;
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begin
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FSal.Push(Ln(FSal.Pop));
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end;
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{$IFDEF UNITVERSIONING}
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initialization
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RegisterUnitVersion(HInstance, UnitVersioning);
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finalization
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UnregisterUnitVersion(HInstance);
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{$ENDIF UNITVERSIONING}
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end. |