52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
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// Begin License:
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// Copyright (C) 2006-2008 Tobias Sargeant (tobias.sargeant@gmail.com).
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// All rights reserved.
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//
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// This file is part of the Carve CSG Library (http://carve-csg.com/)
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//
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// This file may be used under the terms of the GNU General Public
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// License version 2.0 as published by the Free Software Foundation
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// and appearing in the file LICENSE.GPL2 included in the packaging of
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// this file.
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//
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// This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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// INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE.
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// End:
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#pragma once
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#include <carve/carve.hpp>
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#include <carve/geom3d.hpp>
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#include <carve/math_constants.hpp>
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#include <math.h>
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namespace carve {
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namespace math {
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struct Matrix3;
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using carve::geom3d::Vector;
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int cubic_roots(double c3, double c2, double c1, double c0, double *roots);
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void eigSolveSymmetric(const Matrix3 &m,
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double &l1, Vector &e1,
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double &l2, Vector &e2,
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double &l3, Vector &e3);
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void eigSolve(const Matrix3 &m, double &l1, double &l2, double &l3);
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static inline bool ZERO(double x) { return fabs(x) < carve::EPSILON; }
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static inline double radians(double deg) { return deg * M_PI / 180.0; }
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static inline double degrees(double rad) { return rad * 180.0 / M_PI; }
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static inline double ANG(double x) {
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return (x < 0) ? x + M_TWOPI : x;
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}
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}
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}
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