CbmLitMatrixMath.h

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/* Copyright (C) 2009-2017 GSI/JINR-LIT, Darmstadt/Dubna
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Andrey Lebedev [committer] */
 
#ifndef CBMLITMATRIXMATH_H_
#define CBMLITMATRIXMATH_H_
 
#include "base/CbmLitFloat.h"
 
#include <vector>
 
//Matrix operations
 
/* 5x5 symmetric matrix inverse */
bool InvSym15(std::vector<litfloat>& a);
 
/* Multiplication of two 5x5 matrices */
bool Mult25(const std::vector<litfloat>& a, const std::vector<litfloat>& b, std::vector<litfloat>& c);
 
/* Multiplication of two 6x6 matrices */
bool Mult36(const std::vector<litfloat>& a, const std::vector<litfloat>& b, std::vector<litfloat>& c);
 
/* Multiplication of 5x5 matrix and 5x1 vector */
bool Mult25On5(const std::vector<litfloat>& a, const std::vector<litfloat>& b, std::vector<litfloat>& c);
 
/* Multiplication of 5x5 matrix and 5x1 vector */
bool Mult15On5(const std::vector<litfloat>& a, const std::vector<litfloat>& b, std::vector<litfloat>& c);
 
/* Transpose of 5x5 matrix */
bool Transpose25(std::vector<litfloat>& a);
 
/* Subtraction of two matrices*/
bool Subtract(const std::vector<litfloat>& a, const std::vector<litfloat>& b, std::vector<litfloat>& c);
 
/* Addition of two matrices*/
bool Add(const std::vector<litfloat>& a, const std::vector<litfloat>& b, std::vector<litfloat>& c);
 
/* a*b*a^T */
bool Similarity(const std::vector<litfloat>& a, const std::vector<litfloat>& b, std::vector<litfloat>& c);
 
/* Multiplication of two 5x5 matrices */
bool Mult15On25(const std::vector<litfloat>& a, const std::vector<litfloat>& b, std::vector<litfloat>& c);
 
/* Multiplication of two 5x5 matrices */
bool Mult25On15(const std::vector<litfloat>& a, const std::vector<litfloat>& b, std::vector<litfloat>& c);
 
#endif