libcruft-util/vector.hpp

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/*
* This file is part of libgim.
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*
* libgim is free software: you can redistribute it and/or modify it under the
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* 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.
*
* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* 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 libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2011 Danny Robson <danny@nerdcruft.net>
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*/
#ifndef __UTIL_VECTOR_HPP
#define __UTIL_VECTOR_HPP
#include "json.hpp"
#include <iostream>
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namespace util {
struct vector {
double x, y, z;
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vector operator* (double) const;
vector& operator*=(double);
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vector operator* (const vector&) const;
vector& operator*=(const vector&);
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vector operator+ (const vector&) const;
vector& operator+=(const vector&);
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vector operator- (void) const;
vector operator- (const vector&) const;
vector& operator-=(const vector&);
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vector& operator =(const vector &);
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bool operator== (const vector &) const;
double magnitude (void) const;
double magnitude2 (void) const;
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double dot (const vector&) const;
vector cross (const vector&) const;
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vector& normalise (void);
vector normalised (void) const;
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static vector spherical_to_cartesian (const vector &);
static vector cartesian_to_spherical (const vector &);
void sanity (void) const;
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};
}
util::vector operator* (double, const util::vector&);
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std::ostream& operator<< (std::ostream&, const util::vector&);
const json::node& operator>> (const json::node&, util::vector&);
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#endif