forked from lijiext/lammps
77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/*
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*_________________________________________________________________________*
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* POEMS: PARALLELIZABLE OPEN SOURCE EFFICIENT MULTIBODY SOFTWARE *
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* DESCRIPTION: SEE READ-ME *
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* FILE NAME: matrixfun.h *
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* AUTHORS: See Author List *
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* GRANTS: See Grants List *
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* COPYRIGHT: (C) 2005 by Authors as listed in Author's List *
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* LICENSE: Please see License Agreement *
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* DOWNLOAD: Free at www.rpi.edu/~anderk5 *
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* ADMINISTRATOR: Prof. Kurt Anderson *
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* Computational Dynamics Lab *
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* Rensselaer Polytechnic Institute *
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* 110 8th St. Troy NY 12180 *
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* CONTACT: anderk5@rpi.edu *
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*_________________________________________________________________________*/
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#ifndef MATRIXFUN_H
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#define MATRIXFUN_H
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#include "matrices.h"
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// Create a Matrix
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VirtualMatrix* NewMatrix(int type);
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// Transpose
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Matrix T(const VirtualMatrix& A);
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Mat3x3 T(const Mat3x3& A);
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Mat6x6 T(const Mat6x6& A);
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Matrix T(const Vect3& A);
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Matrix T(const Vect6& A);
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RowMatrix T(const VirtualColMatrix& A);
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ColMatrix T(const VirtualRowMatrix& A);
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// Symmetric Inverse
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Matrix SymInverse(Matrix& A);
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Mat6x6 SymInverse(Mat6x6& A);
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// Inverse
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Matrix Inverse(Matrix& A);
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Mat3x3 Inverse(Mat3x3& A);
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Mat4x4 Inverse(Mat4x4& A);
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Mat6x6 Inverse(Mat6x6& A);
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// overloaded addition
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Matrix operator+ (const VirtualMatrix &A, const VirtualMatrix &B); // addition
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//Mat3x3 operator+ (const Mat3x3 &A, const Mat3x3 &B); // addition
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//Matrix operator+ (const VirtualMatrix &A, const VirtualMatrix &B); // addition
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// overloaded subtraction
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Matrix operator- (const VirtualMatrix &A, const VirtualMatrix &B); // subtraction
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// overloaded matrix multiplication
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Matrix operator* (const VirtualMatrix &A, const VirtualMatrix &B); // multiplication
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// overloaded scalar-matrix multiplication
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Matrix operator* (const VirtualMatrix &A, double b); // overloaded *
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Matrix operator* (double b, const VirtualMatrix &A); // overloaded *
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// overloaded negative
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Matrix operator- (const VirtualMatrix &A); // negative
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Vect3 Cross(Vect3& a, Vect3& b);
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Mat3x3 CrossMat(Vect3& a);
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Matrix Stack(VirtualMatrix& A, VirtualMatrix& B);
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Matrix HStack(VirtualMatrix& A, VirtualMatrix& B);
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void Set6DAngularVector(Vect6& v6, Vect3& v3);
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void Set6DLinearVector(Vect6& v6, Vect3& v3);
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#endif
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