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/*************************************************************************
*
* $RCSfile: ftools.hxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: aw $ $Date: 2003-11-26 14:39:52 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source 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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _BGFX_NUMERIC_FTOOLS_HXX
#define _BGFX_NUMERIC_FTOOLS_HXX
#ifndef _SAL_TYPES_H_
#include <sal/types.h>
#endif
#ifndef _INC_MATH
#include <math.h>
#endif
//////////////////////////////////////////////////////////////////////////////
// standard PI defines from solar.h, but we do not want to link against tools
#ifndef F_PI
#define F_PI 3.14159265358979323846
#endif
#ifndef F_PI2
#define F_PI2 1.57079632679489661923
#endif
#ifndef F_PI4
#define F_PI4 0.785398163397448309616
#endif
#ifndef F_PI180
#define F_PI180 0.01745329251994
#endif
#ifndef F_PI1800
#define F_PI1800 0.001745329251994
#endif
#ifndef F_PI18000
#define F_PI18000 0.0001745329251994
#endif
#ifndef F_2PI
#define F_2PI 6.28318530717958647694
#endif
//////////////////////////////////////////////////////////////////////////////
// fTools defines
namespace basegfx
{
namespace numeric
{
class fTools
{
static double mfSmallValue;
public:
static double getSmallValue() { return mfSmallValue; }
static void setSmallValue(const double& rfNew) { mfSmallValue = rfNew; }
static sal_Bool equalZero(const double& rfVal)
{
return (fabs(rfVal) <= getSmallValue());
}
static sal_Bool equalZero(const double& rfVal, const double& rfSmallValue)
{
return (fabs(rfVal) <= rfSmallValue);
}
static sal_Bool equal(const double& rfValA, const double& rfValB)
{
return (fabs(rfValB - rfValA) <= getSmallValue());
}
static sal_Bool less(const double& rfValA, const double& rfValB)
{
return (rfValA < rfValB && !equal(rfValA, rfValB));
}
static sal_Bool lessOrEqual(const double& rfValA, const double& rfValB)
{
return (rfValA < rfValB || equal(rfValA, rfValB));
}
static sal_Bool more(const double& rfValA, const double& rfValB)
{
return (rfValA > rfValB && !equal(rfValA, rfValB));
}
static sal_Bool moreOrEqual(const double& rfValA, const double& rfValB)
{
return (rfValA > rfValB || equal(rfValA, rfValB));
}
static sal_Bool equal(const double& rfValA, const double& rfValB, const double& rfSmallValue)
{
return (fabs(rfValB - rfValA) <= rfSmallValue);
}
static sal_Bool less(const double& rfValA, const double& rfValB, const double& rfSmallValue)
{
return (rfValA < rfValB && !equal(rfValA, rfValB, rfSmallValue));
}
static sal_Bool lessOrEqual(const double& rfValA, const double& rfValB, const double& rfSmallValue)
{
return (rfValA < rfValB || equal(rfValA, rfValB, rfSmallValue));
}
static sal_Bool more(const double& rfValA, const double& rfValB, const double& rfSmallValue)
{
return (rfValA > rfValB && !equal(rfValA, rfValB, rfSmallValue));
}
static sal_Bool moreOrEqual(const double& rfValA, const double& rfValB, const double& rfSmallValue)
{
return (rfValA > rfValB || equal(rfValA, rfValB, rfSmallValue));
}
};
} // end of namespace numeric
} // end of namespace basegfx
#endif _BGFX_NUMERIC_FTOOLS_HXX
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