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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/Pair.hpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/src/Pair.hpp | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/Pair.hpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/Pair.hpp deleted file mode 100644 index 466e6fd8f29..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/src/Pair.hpp +++ /dev/null @@ -1,101 +0,0 @@ -/************************************************************************* -** Pair.hpp ** -** ** -** This file is part of dvisvgm -- a fast DVI to SVG converter ** -** Copyright (C) 2005-2021 Martin Gieseking <martin.gieseking@uos.de> ** -** ** -** This program is free software; you can redistribute it and/or ** -** modify it under the terms of the GNU General Public License as ** -** published by the Free Software Foundation; either version 3 of ** -** the License, or (at your option) any later version. ** -** ** -** This program 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 General Public License for more details. ** -** ** -** You should have received a copy of the GNU General Public License ** -** along with this program; if not, see <http://www.gnu.org/licenses/>. ** -*************************************************************************/ - -#ifndef PAIR_HPP -#define PAIR_HPP - -#include <cmath> -#include <ostream> -#include "macros.hpp" - -template <typename T> -class Pair { - public: - explicit Pair (T x=0, T y=0) : _x(x), _y(y) {} - template <typename U> Pair (const Pair<U> &p) : _x(U(p.x())), _y(U(p.y())) {} - Pair (const Pair &p) =default; - Pair (Pair &&p) =default; - Pair& operator = (const Pair &p) =default; - Pair& operator = (Pair &&p) =default; - Pair operator += (const Pair &p) {_x += p._x; _y += p._y; return *this;} - Pair operator -= (const Pair &p) {_x -= p._x; _y -= p._y; return *this;} - Pair operator *= (T c) {_x *= c; _y *= c; return *this;} - Pair operator /= (T c) {_x /= c; _y /= c; return *this;} - Pair operator - () const {return Pair(-_x, -_y);} - Pair ortho () const {return Pair(-_y, _x);} - double length () const {return std::hypot(_x, _y);} - bool operator == (const Pair &p) const {return _x == p._x && _y == p._y;} - bool operator != (const Pair &p) const {return _x != p._x || _y != p._y;} - T x () const {return _x;} - T y () const {return _y;} - void x (const T &xx) {_x = xx;} - void y (const T &yy) {_y = yy;} - std::ostream& write (std::ostream &os) const {return os << '(' << _x << ',' << _y << ')';} - - private: - T _x, _y; -}; - -template <typename T> -inline Pair<T> abs (const Pair<T> &p) { - return Pair<T>(std::abs(p.x()), std::abs(p.y())); -} - -/** Returns the dot product of two 2D vectors. */ -template <typename T> -inline T dot (const Pair<T> &p1, const Pair<T> &p2) { - return p1.x()*p1.y() + p1.y()*p2.y(); -} - -/** Returns the determinant of two 2D vectors. */ -template <typename T> -inline T det (const Pair<T> &p1, const Pair<T> &p2) { - return p1.x()*p2.y() - p1.y()*p2.x(); -} - -struct Pair32 : public Pair<int32_t> { - explicit Pair32 (int32_t x=0, int32_t y=0) : Pair<int32_t>(x, y) {} - explicit Pair32 (double x, double y) : Pair<int32_t>(lround(x), lround(y)) {} - Pair32 (const Pair<int32_t> &p) : Pair<int32_t>(p) {} -}; - -typedef Pair<double> DPair; - -inline DPair round (const DPair &p) { - return DPair(std::lround(p.x()), std::lround(p.y())); -} - -template <typename T> -IMPLEMENT_ARITHMETIC_OPERATOR(Pair<T>, +) - -template <typename T> -IMPLEMENT_ARITHMETIC_OPERATOR(Pair<T>, -) - -template <typename T> -IMPLEMENT_ARITHMETIC_OPERATOR2(Pair<T>, T, *) - -template <typename T> -IMPLEMENT_ARITHMETIC_OPERATOR2(Pair<T>, T, /) - -template <typename T> -IMPLEMENT_OUTPUT_OPERATOR(Pair<T>) - -IMPLEMENT_ARITHMETIC_OPERATOR2(Pair32, int32_t, *) -#endif |