diff --git a/src/util/fixed_point.h b/src/util/fixed_point.h
index 6afec5e3cb1effebc61ab291a0f4a5b27382ca77..05a73dab515cadf2c32c5935d0bbdba3ed375425 100644 (file)
--- a/src/util/fixed_point.h
+++ b/src/util/fixed_point.h
#ifndef SEEN_INKSCAPE_UTIL_FIXED_POINT_H
#define SEEN_INKSCAPE_UTIL_FIXED_POINT_H
-#include "traits/reference.h"
-#include <math.h>
-#include <algorithm>
-#include <limits>
-
-namespace Inkscape {
-
-namespace Util {
-
-template <typename T, unsigned int precision>
-class FixedPoint {
-public:
- FixedPoint() {}
- FixedPoint(const FixedPoint& value) : v(value.v) {}
- FixedPoint(char value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(unsigned char value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(short value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(unsigned short value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(int value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(unsigned int value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(double value) : v(static_cast<T>(floor(value*(1<<precision)))) {}
-
- FixedPoint& operator+=(FixedPoint val) { v += val.v; return *this; }
- FixedPoint& operator-=(FixedPoint val) { v -= val.v; return *this; }
- FixedPoint& operator*=(FixedPoint val) {
- const unsigned int half_size = 8*sizeof(T)/2;
- const T al = v&((1<<half_size)-1), bl = val.v&((1<<half_size)-1);
- const T ah = v>>half_size, bh = val.v>>half_size;
- v = static_cast<unsigned int>(al*bl)>>precision;
- if ( half_size >= precision ) {
- v += ((al*bh)+(ah*bl)+((ah*bh)<<half_size))<<(half_size-precision);
- } else {
- v += ((al*bh)+(ah*bl))>>(precision-half_size);
- v += (ah*bh)<<(2*half_size-precision);
- }
- return *this;
- }
-
- FixedPoint& operator*=(char val) { v *= val; return *this; }
- FixedPoint& operator*=(unsigned char val) { v *= val; return *this; }
- FixedPoint& operator*=(short val) { v *= val; return *this; }
- FixedPoint& operator*=(unsigned short val) { v *= val; return *this; }
- FixedPoint& operator*=(int val) { v *= val; return *this; }
- FixedPoint& operator*=(unsigned int val) { v *= val; return *this; }
-
- FixedPoint operator+(FixedPoint val) const { FixedPoint r(*this); return r+=val; }
- FixedPoint operator-(FixedPoint val) const { FixedPoint r(*this); return r-=val; }
- FixedPoint operator*(FixedPoint val) const { FixedPoint r(*this); return r*=val; }
-
- FixedPoint operator*(char val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(unsigned char val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(short val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(unsigned short val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(int val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(unsigned int val) const { FixedPoint r(*this); return r*=val; }
-
- float operator*(float val) const { return static_cast<float>(*this)*val; }
- double operator*(double val) const { return static_cast<double>(*this)*val; }
-
- operator char() const { return v>>precision; }
- operator unsigned char() const { return v>>precision; }
- operator short() const { return v>>precision; }
- operator unsigned short() const { return v>>precision; }
- operator int() const { return v>>precision; }
- operator unsigned int() const { return v>>precision; }
-
- operator float() const { return ldexpf(v,-precision); }
- operator double() const { return ldexp(v,-precision); }
-private:
- T v;
-};
-
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(char a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(unsigned char a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(short a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(unsigned short a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(int a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(unsigned int a, FixedPoint<T,precision> b) { return b*=a; }
-
-template<typename T, unsigned int precision> float operator *(float a, FixedPoint<T,precision> b) { return b*a; }
-template<typename T, unsigned int precision> double operator *(double a, FixedPoint<T,precision> b) { return b*a; }
-
-}
-
-}
-
-#endif
-/*
- Local Variables:
- mode:c++
- c-file-style:"stroustrup"
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
- indent-tabs-mode:nil
- fill-column:99
- End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
-/*
- * Inkscape::Util::FixedPoint - fixed point type
- *
- * Authors:
- * Jasper van de Gronde <th.v.d.gronde@hccnet.net>
- *
- * Copyright (C) 2006 Jasper van de Gronde
- *
- * Released under GNU GPL, read the file 'COPYING' for more information
- */
-
-#ifndef SEEN_INKSCAPE_UTIL_FIXED_POINT_H
-#define SEEN_INKSCAPE_UTIL_FIXED_POINT_H
-
-#include "traits/reference.h"
-#include <math.h>
-#include <algorithm>
-#include <limits>
-
-namespace Inkscape {
-
-namespace Util {
-
-template <typename T, unsigned int precision>
-class FixedPoint {
-public:
- FixedPoint() {}
- FixedPoint(const FixedPoint& value) : v(value.v) {}
- FixedPoint(char value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(unsigned char value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(short value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(unsigned short value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(int value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(unsigned int value) : v(static_cast<T>(value)<<precision) {}
- FixedPoint(double value) : v(static_cast<T>(floor(value*(1<<precision)))) {}
-
- FixedPoint& operator+=(FixedPoint val) { v += val.v; return *this; }
- FixedPoint& operator-=(FixedPoint val) { v -= val.v; return *this; }
- FixedPoint& operator*=(FixedPoint val) {
- const unsigned int half_size = 8*sizeof(T)/2;
- const T al = v&((1<<half_size)-1), bl = val.v&((1<<half_size)-1);
- const T ah = v>>half_size, bh = val.v>>half_size;
- v = static_cast<unsigned int>(al*bl)>>precision;
- if ( half_size >= precision ) {
- v += ((al*bh)+(ah*bl)+((ah*bh)<<half_size))<<(half_size-precision);
- } else {
- v += ((al*bh)+(ah*bl))>>(precision-half_size);
- v += (ah*bh)<<(2*half_size-precision);
- }
- return *this;
- }
-
- FixedPoint& operator*=(char val) { v *= val; return *this; }
- FixedPoint& operator*=(unsigned char val) { v *= val; return *this; }
- FixedPoint& operator*=(short val) { v *= val; return *this; }
- FixedPoint& operator*=(unsigned short val) { v *= val; return *this; }
- FixedPoint& operator*=(int val) { v *= val; return *this; }
- FixedPoint& operator*=(unsigned int val) { v *= val; return *this; }
-
- FixedPoint operator+(FixedPoint val) const { FixedPoint r(*this); return r+=val; }
- FixedPoint operator-(FixedPoint val) const { FixedPoint r(*this); return r-=val; }
- FixedPoint operator*(FixedPoint val) const { FixedPoint r(*this); return r*=val; }
-
- FixedPoint operator*(char val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(unsigned char val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(short val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(unsigned short val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(int val) const { FixedPoint r(*this); return r*=val; }
- FixedPoint operator*(unsigned int val) const { FixedPoint r(*this); return r*=val; }
-
- float operator*(float val) const { return static_cast<float>(*this)*val; }
- double operator*(double val) const { return static_cast<double>(*this)*val; }
-
- operator char() const { return v>>precision; }
- operator unsigned char() const { return v>>precision; }
- operator short() const { return v>>precision; }
- operator unsigned short() const { return v>>precision; }
- operator int() const { return v>>precision; }
- operator unsigned int() const { return v>>precision; }
-
- operator float() const { return ldexpf(v,-precision); }
- operator double() const { return ldexp(v,-precision); }
-private:
- T v;
-};
-
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(char a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(unsigned char a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(short a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(unsigned short a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(int a, FixedPoint<T,precision> b) { return b*=a; }
-template<typename T, unsigned int precision> FixedPoint<T,precision> operator *(unsigned int a, FixedPoint<T,precision> b) { return b*=a; }
-
-template<typename T, unsigned int precision> float operator *(float a, FixedPoint<T,precision> b) { return b*a; }
-template<typename T, unsigned int precision> double operator *(double a, FixedPoint<T,precision> b) { return b*a; }
-
-}
-
-}
-
-#endif
-/*
- Local Variables:
- mode:c++
- c-file-style:"stroustrup"
- c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
- indent-tabs-mode:nil
- fill-column:99
- End:
-*/
-// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
-/*
- * Inkscape::Util::FixedPoint - fixed point type
- *
- * Authors:
- * Jasper van de Gronde <th.v.d.gronde@hccnet.net>
- *
- * Copyright (C) 2006 Jasper van de Gronde
- *
- * Released under GNU GPL, read the file 'COPYING' for more information
- */
-
-#ifndef SEEN_INKSCAPE_UTIL_FIXED_POINT_H
-#define SEEN_INKSCAPE_UTIL_FIXED_POINT_H
-
-#include "traits/reference.h"
+#include "util/reference.h"
#include <math.h>
#include <algorithm>
#include <limits>