mequation.h

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#ifndef MEQUATIONH
#define MEQUATIONH

#include "trans_seq.h"
#include "boolean.h"

#include <stdio.h>

#define MAX_EQ_MATRIX 9

typedef struct {
  boolean simp;       
  unsigned int n;     
  TTransSeq **ts;     
  THTransform rhs;    
  unsigned int neq;   
  unsigned int r[MAX_EQ_MATRIX];  
  unsigned int c[MAX_EQ_MATRIX];  
} TMequation;

void InitMEquation(TMequation *me);

void CopyMEquation(TMequation *me_dst,TMequation *me_src);

void ResetMEquation(TMequation *me);

boolean IsEmptyMEquation(TMequation *me);

unsigned int MEquationSize(TMequation *me);

boolean HasRotations(TMequation *me);

void SetTranslationMEquation(TMequation *me);

boolean VarIncludedinMEquation(unsigned int v,TMequation *me);

void AddVarTrans2MEquation(unsigned int t,int s,unsigned int v,TMequation *me);

void AddDispTrans2MEquation(int s,unsigned int v,
                            double *vect,TMequation *me);

void AddPatchTrans2MEquation(unsigned int t,int s,unsigned int u,unsigned int v,
                             double **p,TMequation *me);

void AddCtTrans2MEquation(THTransform *t,TMequation *me);

void AddTransSeq2MEquation(int s,TTransSeq *ts,TMequation *me);

unsigned int NumberScalarEquations(TMequation *me);

void  ShiftVariablesInMEquation(unsigned int nv,TMequation *me);

boolean SimplifiedMEquation(TMequation *me);

void SimplifyMEquation(TMequation *me);

void DeriveMEquation(unsigned int v,TMequation *dme,TMequation *me);

unsigned int EvaluateMEquation(double *v,double *r,TMequation *me);

void EvaluateMEquationXVectors(double *v,unsigned int n,double *p,
                               double *r,TMequation *me);

void PrintMEquation(FILE *f,char **varNames,TMequation *me);

void DeleteMEquation(TMequation *me);

#endif