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https://github.com/bulletphysics/bullet3
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40 lines
1.7 KiB
C++
40 lines
1.7 KiB
C++
/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef BUM_POLYNOMIAL_SOLVER_INTERFACE
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#define BUM_POLYNOMIAL_SOLVER_INTERFACE
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#include <LinearMath/btScalar.h>
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//
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//BUM_PolynomialSolverInterface is interface class for polynomial root finding.
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//The number of roots is returned as a result, query GetRoot to get the actual solution.
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//
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class BUM_PolynomialSolverInterface
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{
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public:
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virtual ~BUM_PolynomialSolverInterface() {};
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// virtual int Solve2QuadraticFull(btScalar a,btScalar b, btScalar c) = 0;
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virtual int Solve3Cubic(btScalar lead, btScalar a, btScalar b, btScalar c) = 0;
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virtual int Solve4Quartic(btScalar lead, btScalar a, btScalar b, btScalar c, btScalar d) = 0;
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virtual btScalar GetRoot(int i) const = 0;
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};
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#endif //BUM_POLYNOMIAL_SOLVER_INTERFACE
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