diff options
Diffstat (limited to 'svtools/source/dialogs/mcvmath.hxx')
-rw-r--r-- | svtools/source/dialogs/mcvmath.hxx | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/svtools/source/dialogs/mcvmath.hxx b/svtools/source/dialogs/mcvmath.hxx new file mode 100644 index 000000000000..7708a8f1c89a --- /dev/null +++ b/svtools/source/dialogs/mcvmath.hxx @@ -0,0 +1,228 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _MCVMATH_HXX +#define _MCVMATH_HXX + +#include <tools/solar.h> + +class FixCpx; +class ColWheel; + +// No of fractal bits +// allowed range 0..14, must be even +#define FIX_POST 14 + +// scale for ...Big() -Functions +#if (FIX_POST>=4) +#define FIX_P2 4 +#define FIX_P3 (FIX_POST-FIX_P2) +#else +#define FIX_P2 0 +#define FIX_P3 FIX_POST +#endif + +#if (FIX_POST>=1) +#define FIX_ADD (1<<(FIX_POST-1)) +#else +#define FIX_ADD 0 +#endif + +#if (FIX_P2>=1) +#define FIX_A2 (1<<(FIX_P2-1)) +#else +#define FIX_A2 0 +#endif + +#if (FIX_P3>=1) +#define FIX_A3 (1<<(FIX_P3-1)) +#else +#define FIX_A3 0 +#endif + +// ------- +// - Fix - +// ------- + +class Fix +{ +private: + friend class FixCpx; + friend class ColWheel; + +// friend Fix ImpMultBig2( const Fix& a, const Fix& b ); + +public: + long x; + +public: + Fix() { x=0; } + Fix( int i ) { x=(long(i)<<FIX_POST); } + Fix( short l ) { x=(long(l)<<FIX_POST); } + Fix( sal_uInt16 l ) { x=(long(l)<<FIX_POST); } + Fix( long l ) { x=(l<<FIX_POST); } + Fix( long Z, long N ) { x=(Z<<FIX_POST)/N; } + + void SetInternVal( long nVal ) { x=nVal; } + long GetInternVal() const { return x; } + + void operator+= ( const Fix& a ) { x+=a.x; } + void operator-= ( const Fix& a ) { x-=a.x; } + void operator*= ( const Fix& a ) { x=(x*a.x+FIX_ADD)>>FIX_POST; } + void operator/= ( const Fix& a ) { x=(x<<FIX_POST)/a.x; } + friend Fix operator- ( const Fix& a ); + + void MultBig( const Fix& a ) + { x=((((a.x+FIX_A2)>>FIX_P2)*x+FIX_A3)>>FIX_P3); } + void DivBig( const Fix& a ) + { x=((x<<FIX_P3)/a.x)<<FIX_P2; } + + friend sal_Bool operator> ( const Fix& a, const Fix& b ) { return a.x > b.x; } + friend sal_Bool operator< ( const Fix& a, const Fix& b ) { return a.x < b.x; } + + operator long() const { return (x+FIX_ADD) >> FIX_POST; } + operator double() const { return double(x)/(1<<FIX_POST); } + + friend Fix operator+ ( const Fix& a, const Fix& b ); + friend Fix operator- ( const Fix& a, const Fix& b ); + friend Fix operator* ( const Fix& a, const Fix& b ); + friend Fix operator/ ( const Fix& a, const Fix& b ); + + friend FixCpx operator-( const FixCpx& a ); +}; + +// ---------- +// - FixCpx - +// ---------- + +class FixCpx +{ +// friend FixCpx ImpMultBig2( const FixCpx& ra, const FixCpx& rb ); + +public: + Fix r; + Fix i; + +public: + FixCpx() : r(), i() {} + FixCpx( Fix a ) : r( a ), i() {} + FixCpx( Fix a, Fix b ) : r( a ), i( b ) {} + + Fix& GetReal() { return r; } + Fix& GetImag() { return i; } + + void operator*= ( const FixCpx& ra ); + void MultBig( const FixCpx& ra, const FixCpx& rb ); + + friend FixCpx operator+ ( const FixCpx& a, const FixCpx& b ); + friend FixCpx operator- ( const FixCpx& a, const FixCpx& b ); + friend FixCpx operator* ( const FixCpx& a, const FixCpx& b ); + friend FixCpx operator/ ( const FixCpx& a, const FixCpx& b ); + friend FixCpx operator- ( const FixCpx& a ); +}; + +inline Fix operator- ( const Fix& a ) +{ + Fix f; + f.x = -a.x; + return f; +} + +inline Fix operator+ ( const Fix& a, const Fix& b ) +{ + long l = a.x+b.x; + return *((Fix*)&l); +} + +inline Fix operator- ( const Fix& a, const Fix& b ) +{ + long l = a.x-b.x; + return *((Fix*)&l); +} + +inline Fix operator* ( const Fix& a, const Fix& b ) +{ + long l=(a.x*b.x+FIX_ADD)>>FIX_POST; + return *((Fix*)&l); +} + +inline Fix operator/ ( const Fix& a, const Fix& b ) +{ + long l=(a.x<<FIX_POST)/b.x; + return *((Fix*)&l); +} + +inline FixCpx operator- ( const FixCpx& a ) +{ + FixCpx fc; + + fc.r.x = -a.r.x; + fc.i.x = -a.i.x; + return fc; +} + +inline FixCpx operator+ ( const FixCpx& a, const FixCpx& b ) +{ + return FixCpx( a.r+b.r, a.i+b.i ); +} + +inline FixCpx operator- ( const FixCpx& a, const FixCpx& b ) +{ + return FixCpx( a.r-b.r, a.i-b.i ); +} + +inline void FixCpx::operator*= ( const FixCpx& ra ) +{ + Fix rr = ra.r*r-ra.i*i; + i = ra.r*i+ra.i*r; + r = rr; +} + +inline FixCpx operator* ( const FixCpx& a, const FixCpx& b ) +{ + return FixCpx( a.r*b.r-a.i*b.i, a.r*b.i+a.i*b.r ); +} + +inline FixCpx operator/ ( const FixCpx& a, const FixCpx& b ) +{ + return FixCpx( (a.r*b.r+a.i*b.i)/(b.r*b.r+b.i*b.i), + (b.r*a.r-a.r*b.i)/(b.r*b.r+b.i*b.i) ); +} + +// ----------------------------------------------------------------------- + +Fix ImpMultBig2( const Fix& a, const Fix& b ); +FixCpx ImpMultBig2( const FixCpx& ra, const FixCpx& rb ); + +void ImpCartToPolar( const short x, const short y, Fix& rRad, sal_uInt16& rPhi ); +void ImpPolarToCart( const Fix& rR, const sal_uInt16 Phi, short& rX, short& rY ); + +sal_uInt16 ImpSqrt( sal_uLong nRadi ); +sal_uInt16 ImpATan2( const short x, const short y ); +FixCpx ImpExPI( sal_uInt16 nPhi ); + +#endif // _MCVMATH_HXX |