reorganizing msd directory

svn path=/trunk/externals/nusmuk/; revision=14017

1 files changed, 0 insertions, 2044 deletions

diff --git a/msd/msd.h b/msd/msd.h
deleted file mode 100644
index 1e1b6f2..0000000
--- a/msd/msd.h
+++ /dev/null
@@ -1,2044 +0,0 @@
-
-
-/* 
- msd - mass spring damper model for Pure Data or Max/MSP
-
- Copyright (C) 2005  Nicolas Montgermont
- Written by Nicolas Montgermont for a Master's train in Acoustic,
- Signal processing and Computing Applied to Music (ATIAM, Paris 6) 
- at La Kitchen supervised by Cyrille Henry.
- 
- Optimized by Thomas Grill for Flext
- Based on Pure Data by Miller Puckette and others
- Based on pmpd by Cyrille Henry 
-
- Contact : Nicolas Montgermont, nicolas_montgermont @ yahoo dot fr
-	   Cyrille Henry, Cyrille.Henry @ la-kitchen dot fr
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-
- Version 0.08 -- 26.07.2006
-*/
-
-// include flext header
-#include <flext.h>
-#include <flmap.h>
-#include <math.h>
-#include <string.h>
-#include <vector>
-
-// define constants
-#define MSD_VERSION  0.07
-#define PI  3.1415926535
-
-// check for appropriate flext version
-#if !defined(FLEXT_VERSION) || (FLEXT_VERSION < 500)
-#error You need at least flext version 0.5.0
-#endif
-
-#ifdef _MSC_VER
-#define NEWARR(type,var,size) type *var = new type[size]
-#define DELARR(var) delete[] var
-#else
-#define NEWARR(type,var,size) type var[size]
-#define DELARR(var) ((void)0)
-#endif
-
-
-inline t_float sqr(t_float x) { return x*x; }
-
-
-template<int N> class Link;
-
-template<int N> 
-class LinkList
-	: public std::vector<Link<N> *>
-{
-public:
-	void insert(Link<N> *l) 
-	{
-		for(typename LinkList<N>::iterator it = this->begin(); it != this->end(); ++it)
-			if(*it == l) return;
-		// not found -> add
-		push_back(l);
-	}
-	
-	void erase(Link<N> *l)
-	{
-		for(typename LinkList<N>::iterator it = this->begin(); it != this->end(); ++it)
-			if(*it == l) { 
-				// found
-				std::vector<Link<N> *>::erase(it); 
-				return; 
-			}
-	}
-};
-
-template<int N>
-class Mass {
-public:
-	t_int nbr;
-	const t_symbol *Id;
-	t_float M,invM;
-	t_float speed[N];
-	t_float pos[N];
-	t_float pos2[N];
-	t_float force[N];
-	t_float out_force[N];
-	LinkList<N> links;
-	
-	Mass(t_int n,const t_symbol *id,bool mob,t_float m,t_float p[N])
-		: nbr(n),Id(id)
-		, M(m)
-	{
-		if(mob) setMobile(); else setFixed();
-	
-		for(int i = 0; i < N; ++i) {
-			pos[i] = pos2[i] = p[i];
-			force[i] = speed[i] = 0;
-		}
-	}
-
-	inline void setForce(int n,t_float f) { force[n] += f; }
-	
-	inline void setForce(t_float f[N]) 
-	{ 
-		for(int i = 0; i < N; ++i) setForce(i,f[i]); 
-	}
-
-	inline void setPos(int n,t_float p) { pos[n] = pos2[n] = p; }
-	
-	inline void setPos(t_float p[N]) 
-	{ 
-		for(int i = 0; i < N; ++i) setPos(i,p[i]);
-	}
-	
-	inline bool getMobile() const { return invM != 0; }
-	
-	inline void setMobile() { invM = M?1/M:0.; }
-	inline void setFixed() { invM = 0; }
-	
-	inline void compute(t_float limit[N][2])
-	{
-		for(int i = 0; i < N; ++i) {
-			t_float pold = pos[i];
-			t_float pnew;
-			if(invM) // if mass is mobile
-				pnew = force[i] * invM + 2*pold - pos2[i]; // x[n] =Fx[n]/M+2x[n]-x[n-1]
-			else // if mass is fixed
-				pnew = pos[i];
-			
-			// check limit
-			if(pnew < limit[i][0]) pnew = limit[i][0]; else if(pnew > limit[i][1]) pnew = limit[i][1];
-			speed[i] = (pos[i] = pnew) - (pos2[i] = pold);	// x[n-2] = x[n-1], x[n-1] = x[n],vx[n] = x[n] - x[n-1]
-
-			// clear forces
-			out_force[i] = force[i];
-			force[i] = 0;						// Fx[n] = 0
-		}
-	}
-
-	static inline t_float dist(const Mass &m1,const Mass &m2) 
-	{
-		if(N == 1) 
-			return fabs(m1.pos[0]-m2.pos[0]);		// L[n] = |x1 - x2|
-		else {
-			t_float distance = 0;
-			for(int i = 0; i < N; ++i) distance += sqr(m1.pos[i]-m2.pos[i]);
-			return sqrt(distance);
-		}
-	}
-};
-
-template<int N>
-class Link {
-public:
-	t_int nbr;
-	const t_symbol *Id;
-	Mass<N> *mass1,*mass2;
-	t_float K1, D1, D2;
-	t_float longueur, long_min, long_max;
-	t_float distance_old;
-	t_float puissance;
-	t_int link_type; //0 : no, 1 : tangential, 2 : normal
-	t_float tdirection1[N], tdirection2[N];
-	
-	Link(t_int n,const t_symbol *id,Mass<N> *m1,Mass<N> *m2,t_float k1,t_float d1, t_int o=0, t_float tangent[N]=NULL,t_float pow=1, t_float lmin = 0,t_float lmax = 1e10)
-		: nbr(n),Id(id)
-		, mass1(m1),mass2(m2)
-		, K1(k1),D1(d1),D2(0),link_type(o),puissance(pow)
-		, long_min(lmin),long_max(lmax)
-	{
-		for (int i=0; i<N; i++)	{
-			tdirection1[i] = 0;
-			tdirection2[i] = 0;
-			}
-		if (link_type == 0)
-			distance_old = longueur = Mass<N>::dist(*mass1,*mass2); // L[n-1]
-		else if (link_type == 1)	{			// TANGENTIAL LINK
-			t_float norme = 0;
-			for(int i = 0; i < N; ++i) norme += sqr(tangent[i]);
-			norme = sqrt(norme);
-			//t_float norme = sqrt(sqr(xa)+sqr(ya)+sqr(za));
-			for(int i = 0; i < N; ++i)tdirection1[i] = tangent[i]/norme;
-			//tdirection1[1] = ya/norme;
-			//tdirection1[2] = za/norme;
-			distance_old = 0;
-			for(int i = 0; i < N; ++i)	
-				distance_old += sqr((m1->pos[i]-m2->pos[i])*tdirection1[i]);
-			distance_old  = sqrt(distance_old);
-			longueur = distance_old;
-		}
-		/*else if (link_type == 2)	{			// NORMAL LINK 2D
-			if (N >= 2)	{
-				const t_float norme = sqrt(sqr(xa)+sqr(ya));
-				tdirection1[0]=ya/norme;
-				tdirection1[1]=xa/norme;
-				distance_old = 0;
-				for(int i = 0; i < N; ++i)	
-					distance_old += sqr((m1->pos[i]-m2->pos[i])*tdirection1[i]);
-				if (N == 3)	{			// NORMAL LINK 3D
-					if (xa == 0 && ya==0 && za!= 0)	{	// Special case
-						tdirection1[0]=1;
-						tdirection1[1]=0;
-						tdirection1[2]=0;
-						tdirection2[0]=0;
-						tdirection2[1]=1;
-						tdirection2[2]=0;
-					}
-					else	{				// Normal case
-						const t_float norme2 = sqrt(sqr(xa*ya +za*xa)+sqr(xa*ya+za*ya)+sqr(sqr(xa)+sqr(ya)));
-						tdirection2[0] = (xa*za+xa*ya)/norme2;
-						tdirection2[1] = (xa*ya+za*ya)/norme2;
-						tdirection2[2] = (sqr(xa)+sqr(ya))/norme2;
-					}
-					distance_old = 0;
-					for(int i = 0; i < N; ++i)	
-						distance_old += sqr((m1->pos[i]-m2->pos[i])*(tdirection1[i]+tdirection2[i]));
-				}
-				distance_old  = sqrt(distance_old);
-				longueur = distance_old;			
-			}
-		}*/	
-		mass1->links.insert(this);
-		mass2->links.insert(this);
-	}
-	
-	~Link()
-	{
-		mass1->links.erase(this);
-		mass2->links.erase(this);
-	}
-	
-	// compute link forces
-	inline void compute() 
-	{
-		t_float distance=0;
-		t_float F;
-		Mass<N> *m1 = mass1,*m2 = mass2; // cache locally
-		if (m1->invM || m2->invM) { 
-			if (link_type == 0)	
-				distance = Mass<N>::dist(*m1,*m2); 
-			else if (link_type == 1) {
-				for(int i = 0; i < N; ++i)	
-					distance += sqr((m1->pos[i]-m2->pos[i])*tdirection1[i]);
-				distance = sqrt(distance);
-			}
-			else if (link_type == 2) {
-				for(int i = 0; i < N; ++i)	
-					distance += sqr((m1->pos[i]-m2->pos[i])*(tdirection1[i] +tdirection2[i]));
-				distance = sqrt(distance);
-			}
-	
-			if (distance < long_min || distance > long_max || distance == 0) {
-//			for(int i = 0; i < N; ++i) {
-	//			m1->force[i] -= D2 * m1->speed[i]; 	//  Fx1[n] = -Fx, Fx1[n] = Fx1[n] - D2 * vx1[n-1]
-	//			m2->force[i] += D2 * m2->speed[i]; 	// Fx2[n] = Fx, Fx2[n] = Fx2[n] - D2 * vx2[n-1]
-	//		}
-			}
-			else {	// Lmin < L < Lmax
-				// F[n] = k1 (L[n] - L[0])/L[n] + D1 (L[n] - L[n-1])/L[n]
-				if ((distance - longueur)>0)
-					F  = (K1 * pow(distance - longueur,puissance) + D1 * (distance - distance_old))/distance ;
-				else
-					F  = (-K1 * pow(longueur - distance,puissance) + D1 * (distance - distance_old))/distance ;
-				if (link_type == 0)	
-					for(int i = 0; i < N; ++i) {
-						const t_float Fn = F * (m1->pos[i] - m2->pos[i]); // Fx = F * Lx[n]/L[n]
-						m1->force[i] -= Fn + D2 * m1->speed[i]; 	//  Fx1[n] = -Fx, Fx1[n] = Fx1[n] - D2 * vx1[n-1]
-						m2->force[i] += Fn - D2 * m2->speed[i]; 	// Fx2[n] = Fx, Fx2[n] = Fx2[n] - D2 * vx2[n-1]
-					}
-				else if (link_type == 1 || (link_type == 2 && N == 2))
-					for(int i = 0; i < N; ++i) {
-						const t_float Fn = F * (m1->pos[i] - m2->pos[i])*tdirection1[i]; // Fx = F * Lx[n]/L[n]
-						m1->force[i] -= Fn + D2 * m1->speed[i]; 	//  Fx1[n] = -Fx, Fx1[n] = Fx1[n] - D2 * vx1[n-1]
-						m2->force[i] += Fn - D2 * m2->speed[i]; 	// Fx2[n] = Fx, Fx2[n] = Fx2[n] - D2 * vx2[n-1]
-					}
-				else if (link_type == 2 && N == 3)
-					for(int i = 0; i < N; ++i) {
-						const t_float Fn = F * (m1->pos[i] - m2->pos[i])*(tdirection1[i] +tdirection2[i]); // Fx = F * Lx[n]/L[n]
-						m1->force[i] -= Fn + D2 * m1->speed[i]; 	//  Fx1[n] = -Fx, Fx1[n] = Fx1[n] - D2 * vx1[n-1]
-						m2->force[i] += Fn - D2 * m2->speed[i]; 	// Fx2[n] = Fx, Fx2[n] = Fx2[n] - D2 * vx2[n-1]
-					}
-			}
-			
-			distance_old = distance;				// L[n-1] = L[n]			
-		}
-	}
-};
-
-
-template <typename T>
-inline T bitrev(T k) 
-{
-	T r = 0;
-	for(int i = 0; i < sizeof(k)*8; ++i) r = (r<<1)|(k&1),k >>= 1;
-	return r;
-}
-
-// use bit-reversed key to pseudo-balance the map tree
-template <typename T>
-class IndexMap
-	: TablePtrMap<unsigned int,T,64>
-{
-public:
-	typedef TablePtrMap<unsigned int,T,64> Parent;
-	
-    virtual ~IndexMap() { reset(); }
-
-	void reset() 
-	{ 
-		// delete all associated items
-		for(typename Parent::iterator it(*this); it; ++it) delete it.data();
-		Parent::clear(); 
-	}
-	
-	inline int size() const { return Parent::size(); }
-
-	inline T insert(unsigned int k,T v) { return Parent::insert(bitrev(k),v); }	
-
-	inline T find(unsigned int k) { return Parent::find(bitrev(k)); }
-
-	inline T remove(unsigned int k) { return Parent::remove(bitrev(k)); }
-	
-	class iterator
-		: public Parent::iterator
-	{
-	public:
-		iterator() {}
-		iterator(IndexMap &m): Parent::iterator(m) {}
-		inline unsigned int key() const { return bitrev(Parent::key()); }
-	};
-};
-
-template <typename T>
-class IDMap
-	: TablePtrMap<const t_symbol *,TablePtrMap<T,T,4> *,4>
-{
-public:
-	// that's the container holding the data items (masses, links) of one ID
-	typedef TablePtrMap<T,T,4> Container;
-	// that's the map for the key ID (symbol,int) relating to the data items
-	typedef TablePtrMap<const t_symbol *,Container *,4> Parent;
-
-	typedef typename Container::iterator iterator;
-
-	IDMap() {}
-	
-	virtual ~IDMap() { reset(); }
-	
-	void reset() 
-	{
-        typename Parent::iterator it(*this);
-        for(; it; ++it) delete it.data();
-		Parent::clear();
-	}
-	
-	void insert(T item)
-	{
-		Container *c = Parent::find(item->Id);
-        if(!c)
-            Parent::insert(item->Id,c = new Container);
-        c->insert(item,item);
-	}
-	
-	iterator find(const t_symbol *key)
-	{
-		Container *c = Parent::find(key);
-		if(c)
-			return iterator(*c);
-        else
-			return iterator();
-	}
-	
-	void erase(T item)
-	{
-		Container *c = Parent::find(item->Id);
-		if(c) c->remove(item);
-	}
-};
-
-
-template<int N>
-class msdN:
-	public flext_base
-{
-	FLEXT_HEADER_S(msdN,flext_base,setup)	//class with setup
- 
-public:
-	// constructor with no arguments
-	msdN(int argc,t_atom *argv)
-		: id_mass(0),id_link(0)
-	{
-		for(int i = 0; i < N; ++i) limit[i][0] = -1.e10,limit[i][1] = 1.e10;
-	
-		// --- define inlets and outlets ---
-		AddInAnything("bang, reset, etc."); 	// default inlet
-		AddOutAnything("infos on masses");	// outlet for integer count
-		AddOutAnything("control");		// outlet for bang
-	}
-
-	virtual ~msdN() { clear(); }
-
-protected:
-
-// --------------------------------------------------------------  PROTECTED VARIABLES 
-// -----------------------------------------------------------------------------------
-
-	typedef Mass<N> t_mass;
-	typedef Link<N> t_link;
-
-	IndexMap<t_link *> link;		// links	
-	IDMap<t_link *> linkids;		// links by name
-	IndexMap<t_mass *> mass;		// masses
-	IDMap<t_mass *> massids;		// masses by name
-	
-	t_float limit[N][2];			// Limit values
-	unsigned int id_mass, id_link, mouse_grab, nearest_mass, link_deleted, mass_deleted;
-
-// ---------------------------------------------------------------  RESET 
-// ----------------------------------------------------------------------
-	void m_reset() 
-	{ 
-		clear();
-		ToOutAnything(1,S_Reset,0,NULL);
-	}
-
-// --------------------------------------------------------------  COMPUTE 
-// -----------------------------------------------------------------------
-
-	void m_bang()
-	{
-		// update all links
-		for (typename IndexMap<t_link *>::iterator lit(link); lit; ++lit) lit.data()->compute();
-
-		// update all masses
-		for (typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) mit.data()->compute(limit);
-	}
-
-// --------------------------------------------------------------  MASSES
-// ----------------------------------------------------------------------
-
-	// add a mass
-	// Id, nbr, mobile, invM, speedX, posX, forceX
-	void m_mass(int argc,t_atom *argv) 
-	{
-		if(argc != 3+N) {
-			error("mass : Id mobile mass X%s%s",N >= 2?" Y":"",N >= 3?" Z":"");
-			return;
-		}
-		
-		t_float pos[N];
-		for(int i = 0; i < N; ++i) pos[i] = GetAFloat(argv[3+i]);
-
-		t_mass *m = new t_mass(
-			id_mass, // index
-			GetSymbol(argv[0]), // ID
-			GetABool(argv[1]), // mobile
-			GetAFloat(argv[2]), // mass
-			pos // pos
-		);
-		
-		outmass(S_Mass,m);
-
-		massids.insert(m);
-		mass.insert(id_mass++,m);
-	}
-
-	// add a force to mass(es) named Id or No
-	void m_force(int argc,t_atom *argv,int n) 
-	{
-		if(argc != 2) {
-			error("%s - %s Syntax : Id/Nomass value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_float f = GetAFloat(argv[1]);
-
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_mass *>::iterator it;
-            for(it = massids.find(GetSymbol(argv[0])); it; ++it) {
-                t_mass *m = it.data();
-				m->setForce(n,f);
-            }
-		}
-		else {
-			t_mass *m = mass.find(GetAInt(argv[0]));
-			if(m) 
-				m->setForce(n,f);
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-
-	inline void m_forceX(int argc,t_atom *argv) { m_force(argc,argv,0); }
-	inline void m_forceY(int argc,t_atom *argv) { m_force(argc,argv,1); }
-	inline void m_forceZ(int argc,t_atom *argv) { m_force(argc,argv,2); }
-	inline void m_forceN(int argc,t_atom *argv) {
-		t_atom arglist[2];
-
-		if(argc != 3) {
-			error("%s - %s Syntax : N Id/Nomass value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		if (IsSymbol(argv[1]))
-			SetSymbol(arglist[0],GetSymbol(argv[1]));
-		else
-			SetInt(arglist[0],GetAInt(argv[1]));
-		SetFloat(arglist[1],GetFloat(argv[2]));
-		m_force(argc-1,arglist,GetAInt(argv[0])-1);
-	 }
-
-	// displace mass(es) named Id or No to a certain position
-	void m_pos(int argc,t_atom *argv,int n) 
-	{
-		if(argc != 2) {
-			error("%s - %s Syntax : Id/Nomass value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_float p = GetAFloat(argv[1]);
-		if(p > limit[n][1] || p < limit[n][0])  return;
-		
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_mass *>::iterator it;
-			for(it = massids.find(GetSymbol(argv[0])); it; ++it)
-				it.data()->setPos(n,p);
-		}
-		else {
-			t_mass *m = mass.find(GetAInt(argv[0]));
-			if(m) 
-				m->setPos(n,p);
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-
-	inline void m_posX(int argc,t_atom *argv) { m_pos(argc,argv,0); }
-	inline void m_posY(int argc,t_atom *argv) { m_pos(argc,argv,1); }
-	inline void m_posZ(int argc,t_atom *argv) { m_pos(argc,argv,2); }
-	inline void m_posN(int argc,t_atom *argv) {
-		t_atom arglist[2];
-
-		if(argc != 3) {
-			error("%s - %s Syntax : N Id/Nomass value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		if (IsSymbol(argv[1]))
-			SetSymbol(arglist[0],GetSymbol(argv[1]));
-		else
-			SetInt(arglist[0],GetAInt(argv[1]));
-		SetFloat(arglist[1],GetFloat(argv[2]));
-		m_pos(argc-1,arglist,GetAInt(argv[0])-1);
-	 }
-	// set mass to mobile
-	void m_set_mobile(int argc,t_atom *argv,bool mob = true) 
-	{
-		if (argc != 1) {
-			error("%s - %s Syntax : Id/Nomass",thisName(),GetString(thisTag()));
-			return;
-		}
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_mass *>::iterator it;
-			if(mob)
-				for(it = massids.find(GetSymbol(argv[0])); it; ++it)
-					it.data()->setMobile();
-			else
-				for(it = massids.find(GetSymbol(argv[0])); it; ++it)
-					it.data()->setFixed();
-		}
-		else {	
-			t_mass *m = mass.find(GetAInt(argv[0]));
-			if(m) 
-				if(mob) m->setMobile(); 
-				else m->setFixed();
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-
-	// set mass No to fixed
-	inline void m_set_fixe(int argc,t_atom *argv) { m_set_mobile(argc,argv,false); }
-
-	// Delete mass
-	void m_delete_mass(int argc,t_atom *argv) 
-	{
-		if (argc != 1) {
-			error("%s - %s Syntax : Nomass",thisName(),GetString(thisTag()));
-			return;
-		}
-		
-
-                t_mass *m = mass.find(GetAInt(argv[0]));
-                if(m) {
-                        // Delete all associated links
-
-            while(!m->links.empty())
-                deletelink(m->links.front());
-
-                        outmass(S_Mass_deleted,m);
-                        massids.erase(m);
-                        mass.remove(m->nbr); 
-
-			delete m;
-			mass_deleted = 1;
-		}
-		else
-			error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-	}
-
-
-	// set X,Y,Z min/max
-	void m_limit(int argc,t_atom *argv,int n,int i) 
-	{
-		if (argc != 1)
-			error("%s - %s Syntax : Value",thisName(),GetString(thisTag()));
-		else
-			limit[n][i] = GetAFloat(argv[0]);
-	}
-
-	inline void m_Xmin(int argc,t_atom *argv) { m_limit(argc,argv,0,0); }
-	inline void m_Ymin(int argc,t_atom *argv) { m_limit(argc,argv,1,0); }
-	inline void m_Zmin(int argc,t_atom *argv) { m_limit(argc,argv,2,0); }
-	inline void m_Nmin(int argc,t_atom *argv) {
-		t_atom arglist[1];
-
-		if(argc != 2) {
-			error("%s - %s Syntax : N value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		SetFloat(arglist[0],GetFloat(argv[1]));
-		m_limit(argc-1,arglist,GetAInt(argv[0])-1,0);
-	 }
-
-	inline void m_Xmax(int argc,t_atom *argv) { m_limit(argc,argv,0,1); }
-	inline void m_Ymax(int argc,t_atom *argv) { m_limit(argc,argv,1,1); }
-	inline void m_Zmax(int argc,t_atom *argv) { m_limit(argc,argv,2,1); }
-	inline void m_Nmax(int argc,t_atom *argv) {
-		t_atom arglist[1];
-
-		if(argc != 2) {
-			error("%s - %s Syntax : N value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		SetFloat(arglist[0],GetFloat(argv[1]));
-		m_limit(argc-1,arglist,GetAInt(argv[0])-1,1);
-	 }
-
-	// set Id of link(s) named Id or number No
-	void m_setMassId(int argc,t_atom *argv) 
-	{
-		if (argc != 2) {
-			error("%s - %s Syntax : OldId/NoMass NewId",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_symbol *id = GetSymbol(argv[1]);
-
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_mass *>::iterator it;
-			for(it = massids.find(GetSymbol(argv[0])); it; ++it)
-				it.data()->Id = id;
-		}
-		else	{
-			t_mass *m = mass.find(GetAInt(argv[0]));
-			if(m)
-				m->Id = id;
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-
-	void m_grab_mass(int argc,t_atom *argv) 
-	{
-	// grab nearest mass X Y
-		t_mass **mi;
-		t_float aux, distance;
-		t_atom aux2[2];
- 		bool mobil;
-
-		// if click
-		if (GetInt(argv[2])==1 && mass.size()>0)	{
-
-			if (argc != 3)
-				error("grabMass : X Y click");
-			// first time we grab this mass?Find nearest mass
-			if (mouse_grab == 0)	{
-				t_mass *m = mass.find(0);
-				aux = sqr(m->pos[0]-GetFloat(argv[0])) + sqr(m->pos[1]-GetFloat(argv[1]));
-				nearest_mass = 0;
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {	
-					distance = sqr(mit.data()->pos[0]-GetFloat(argv[0])) + sqr(mit.data()->pos[1]-GetFloat(argv[1]));
-					if (distance<aux)	{
-						aux = distance;
-						nearest_mass = mit.data()->nbr;
-					}
-				}
-			}
-			
-			// Set fixed if mobile
-			mobil = mass.find(nearest_mass)->invM;
-			SetInt(aux2[0],nearest_mass);
-			if (mobil != 0)
-				m_set_fixe(1,aux2);
-
-			// Set XY
-			SetFloat(aux2[1],GetFloat(argv[0]));
-			m_posX(2,aux2);
-			SetFloat(aux2[1],GetFloat(argv[1]));
-			m_posY(2,aux2);
-
-			// Set mobile
-			if(mobil != 0)
-				m_set_mobile(1,aux2);		
-			
-			// Current grabbing on
-			mouse_grab = 1;
-		}
-		else
-			// Grabing off
-			mouse_grab = 0;
-	}
-
-// --------------------------------------------------------------  LINKS 
-// ---------------------------------------------------------------------
-
-	// add a link
-	// Id, *mass1, *mass2, K1, D1, D2, (Lmin,Lmax)
-	void m_link(int argc,t_atom *argv) 
-	{
-		if (argc < 5 || argc > 8) {
-			error("%s - %s Syntax : Id No/Idmass1 No/Idmass2 K D1 (pow Lmin Lmax)",thisName(),GetString(thisTag()));
-			return;
-		}
-		if (IsSymbol(argv[1]) && IsSymbol(argv[2]))	{		// ID & ID
-			typename IDMap<t_mass *>::iterator it1,it2,it;
-			it1 = massids.find(GetSymbol(argv[1]));
-			it2 = massids.find(GetSymbol(argv[2]));
-			for(; it1; ++it1) {
-				for(it = it2; it; ++it) {
-					t_link *l = new t_link(
-						id_link,
-						GetSymbol(argv[0]), // ID
-						it1.data(),it.data(), // pointer to mass1, mass2
-						GetAFloat(argv[3]), // K1
-						GetAFloat(argv[4]), // D1
-						0,NULL,
-						argc >= 6?GetFloat(argv[5]):1, // power
-						argc >= 7?GetFloat(argv[6]):0,
-						argc >= 8?GetFloat(argv[7]):1e10
-					);
-					linkids.insert(l);
-					link.insert(id_link++,l);
-					outlink(S_iLink,l);
-				}
-			}
-		}
-		else if (IsSymbol(argv[1])==0 && IsSymbol(argv[2]))	{	// No & ID
-			typename IDMap<t_mass *>::iterator it2,it;
-	 		t_mass *mass1 = mass.find(GetAInt(argv[1]));
-			it2 = massids.find(GetSymbol(argv[2]));
-			for(it = it2; it; ++it) {
-				t_link *l = new t_link(
-					id_link,
-					GetSymbol(argv[0]), // ID
-					mass1,it.data(), // pointer to mass1, mass2
-					GetAFloat(argv[3]), // K1
-					GetAFloat(argv[4]), // D1
-					0,NULL,
-					argc >= 6?GetFloat(argv[5]):1, // power
-					argc >= 7?GetFloat(argv[6]):0,
-					argc >= 8?GetFloat(argv[7]):1e10
-				);
-				linkids.insert(l);
-				link.insert(id_link++,l);
-				outlink(S_iLink,l);
-			}
-		}
-		else if (IsSymbol(argv[1]) && IsSymbol(argv[2])==0)	{	// ID & No
-			typename IDMap<t_mass *>::iterator it1,it;
-			it1 = massids.find(GetSymbol(argv[1]));
-	 		t_mass *mass2 = mass.find(GetAInt(argv[2]));
-			for(it = it1; it; ++it) {
-				t_link *l = new t_link(
-					id_link,
-					GetSymbol(argv[0]), // ID
-					it.data(),mass2, // pointer to mass1, mass2
-					GetAFloat(argv[3]), // K1
-					GetAFloat(argv[4]), // D1
-					0,NULL,
-					argc >= 6?GetFloat(argv[5]):1, // power
-					argc >= 7?GetFloat(argv[6]):0,
-					argc >= 8?GetFloat(argv[7]):1e10
-				);
-				linkids.insert(l);
-				link.insert(id_link++,l);
-				outlink(S_iLink,l);
-			}
-		}
-		else	{										// No & No
-	 		t_mass *mass1 = mass.find(GetAInt(argv[1]));
-			t_mass *mass2 = mass.find(GetAInt(argv[2]));
- 	
-   			if(!mass1 || !mass2) {
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-				return;
-			}
-	
-			t_link *l = new t_link(
-				id_link,
-				GetSymbol(argv[0]), // ID
-				mass1,mass2, // pointer to mass1, mass2
-				GetAFloat(argv[3]), // K1
-				GetAFloat(argv[4]), // D1
-				0,NULL,
-				argc >= 6?GetFloat(argv[5]):1, // power
-				argc >= 7?GetFloat(argv[6]):0,	// Lmin
-				argc >= 8?GetFloat(argv[7]):1e10// Lmax
-			);
-
-			linkids.insert(l);
-			link.insert(id_link++,l);
-			outlink(S_Link,l);
-		}
-	}
-	// add interactor link
-	// Id, Id masses1, Id masses2, K1, D1, D2, (Lmin, Lmax)
-	void m_ilink(int argc,t_atom *argv) 
-	{
-		if (argc < 6 || argc > 8) {
-			error("%s - %s Syntax : Id Idmass1 Idmass2 K D1 (pow Lmin Lmax)",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		typename IDMap<t_mass *>::iterator it1,it2,it;
-		it1 = massids.find(GetSymbol(argv[1]));
-		it2 = massids.find(GetSymbol(argv[2]));
-
-		for(; it1; ++it1) {
-			for(it = it2; it; ++it) {
-				t_link *l = new t_link(
-					id_link,
-					GetSymbol(argv[0]), // ID
-					it1.data(),it.data(), // pointer to mass1, mass2
-					GetAFloat(argv[3]), // K1
-					GetAFloat(argv[4]), // D1
-					0,NULL,
-					argc >= 6?GetFloat(argv[5]):1, // power
-					argc >= 7?GetFloat(argv[6]):0,
-					argc >= 8?GetFloat(argv[7]):1e10
-				);
-
-				linkids.insert(l);
-				link.insert(id_link++,l);
-				outlink(S_iLink,l);
-			}
-		}
-	}
-
-	// add a tangential link
-	// Id, *mass1, *mass2, K1, D1, D2, (Lmin,Lmax)
-	void m_tlink(int argc,t_atom *argv) 
-	{
-		if (argc < 5+N || argc > 8+N) {
-			error("%s - %s Syntax : Id Nomass1 Nomass2 K D1 xa%s%s (pow Lmin Lmax)",thisName(),GetString(thisTag()),N >= 2?" ya":"",N >= 3?" za":"");
-			return;
-		}
-		t_float tangent[N];
-		for(int i = 0; i < N; ++i) tangent[i] = GetAFloat(argv[5+i]);
-
-		if (IsSymbol(argv[1]) && IsSymbol(argv[2]))	{		// ID & ID
-			typename IDMap<t_mass *>::iterator it1,it2,it;
-			it1 = massids.find(GetSymbol(argv[1]));
-			it2 = massids.find(GetSymbol(argv[2]));
-			for(; it1; ++it1) {
-				for(it = it2; it; ++it) {
-					t_link *l = new t_link(
-						id_link,
-						GetSymbol(argv[0]), // ID
-						it1.data(),it.data(), // pointer to mass1, mass2
-						GetAFloat(argv[3]), // K1
-						GetAFloat(argv[4]), // D1
-						1,					// tangential
-						tangent,
-						argc >= 6+N?GetFloat(argv[5+N]):1, // power
-						argc >= 7+N?GetFloat(argv[6+N]):0, // Lmin
-						argc >= 8+N?GetFloat(argv[7+N]):1e10 // Lmax
-					);
-					linkids.insert(l);
-					link.insert(id_link++,l);
-					outlink(S_iLink,l);
-				}
-			}
-		}
-		else if (IsSymbol(argv[1])==0 && IsSymbol(argv[2]))	{	// No & ID
-			typename IDMap<t_mass *>::iterator it2,it;
-	 		t_mass *mass1 = mass.find(GetAInt(argv[1]));
-			it2 = massids.find(GetSymbol(argv[2]));
-			for(it = it2; it; ++it) {
-				t_link *l = new t_link(
-					id_link,
-					GetSymbol(argv[0]), // ID
-					mass1,it.data(), // pointer to mass1, mass2
-					GetAFloat(argv[3]), // K1
-					GetAFloat(argv[4]), // D1
-					1,					// tangential
-					tangent,
-					argc >= 6+N?GetFloat(argv[5+N]):1, // power
-					argc >= 7+N?GetFloat(argv[6+N]):0, // Lmin
-					argc >= 8+N?GetFloat(argv[7+N]):1e10 // Lmax
-				);
-				linkids.insert(l);
-				link.insert(id_link++,l);
-				outlink(S_tLink,l);
-			}
-		}
-		else if (IsSymbol(argv[1]) && IsSymbol(argv[2])==0)	{	// ID & No
-			typename IDMap<t_mass *>::iterator it1,it;
-			it1 = massids.find(GetSymbol(argv[1]));
-	 		t_mass *mass2 = mass.find(GetAInt(argv[2]));
-			for(it = it1; it; ++it) {
-				t_link *l = new t_link(
-					id_link,
-					GetSymbol(argv[0]), // ID
-					it.data(),mass2, // pointer to mass1, mass2
-					GetAFloat(argv[3]), // K1
-					GetAFloat(argv[4]), // D1
-					1,
-					tangent,					// tangential
-					argc >= 6+N?GetFloat(argv[5+N]):1, // power
-					argc >= 7+N?GetFloat(argv[6+N]):0, // Lmin
-					argc >= 8+N?GetFloat(argv[7+N]):1e10 // Lmax
-				);
-				linkids.insert(l);
-				link.insert(id_link++,l);
-				outlink(S_tLink,l);
-			}
-		}
-		else	{										// No & No
-			t_mass *mass1 = mass.find(GetAInt(argv[1]));
-			t_mass *mass2 = mass.find(GetAInt(argv[2]));
- 
-   			if(!mass1 || !mass2) {
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-				return;
-			}
-			t_link *l = new t_link(
-				id_link,
-				GetSymbol(argv[0]), // ID
-				mass1,mass2, // pointer to mass1, mass2
-				GetAFloat(argv[3]), // K1
-				GetAFloat(argv[4]), // D1
-				1,					// tangential
-				tangent,					// tangential
-				argc >= 6+N?GetFloat(argv[5+N]):1, // power
-				argc >= 7+N?GetFloat(argv[6+N]):0, // Lmin
-				argc >= 8+N?GetFloat(argv[7+N]):1e10 // Lmax
-			);
-			linkids.insert(l);
-			link.insert(id_link++,l);
-			outlink(S_tLink,l);
-		}
-	}
-
-	// add a normal link
-	// Id, *mass1, *mass2, K1, D1, D2, (Lmin,Lmax)
-	void m_nlink(int argc,t_atom *argv) 
-	{/*
-		if (argc < 5+N || argc > 8+N) {
-			error("%s - %s Syntax : Id No/Idmass1 No/Idmass2 K D1 xa%s%s (pow Lmin Lmax)",thisName(),GetString(thisTag()),N >= 2?" ya":"",N >= 3?" za":"");
-			return;
-		}
-
-		if (N==1)	{
-			error("%s - %s : No normal Link in 1D",thisName(),GetString(thisTag()));
-			return;
-		}
-		if (IsSymbol(argv[1]) && IsSymbol(argv[2]))	{		// ID & ID
-			typename IDMap<t_mass *>::iterator it1,it2,it;
-			it1 = massids.find(GetSymbol(argv[1]));
-			it2 = massids.find(GetSymbol(argv[2]));
-			for(; it1; ++it1) {
-				for(it = it2; it; ++it) {
-					t_link *l = new t_link(
-						id_link,
-						GetSymbol(argv[0]), // ID
-						it1.data(),it.data(), // pointer to mass1, mass2
-						GetAFloat(argv[3]), // K1
-						GetAFloat(argv[4]), // D1
-						2,					// normal
-						GetAFloat(argv[5]),GetAFloat(argv[6]),N >= 3?GetAFloat(argv[7]):0,	// vector
-						(N==2 && argc >= 8)?GetFloat(argv[7]):((N==3 && argc >= 9)?GetFloat(argv[8]):1),	// pow
-						(N==2 && argc >= 9)?GetFloat(argv[8]):((N==3 && argc >= 10)?GetFloat(argv[9]):0),	// Lmin
-						(N==2 && argc >= 10)?GetFloat(argv[9]):((N==3 && argc >= 11)?GetFloat(argv[10]):1e10)// Lmax
-					);
-					linkids.insert(l);
-					link.insert(id_link++,l);
-					outlink(S_nLink,l);
-				}
-			}
-		}
-		else if (IsSymbol(argv[1])==0 && IsSymbol(argv[2]))	{	// No & ID
-			typename IDMap<t_mass *>::iterator it2,it;
-	 		t_mass *mass1 = mass.find(GetAInt(argv[1]));
-			it2 = massids.find(GetSymbol(argv[2]));
-			for(it = it2; it; ++it) {
-				t_link *l = new t_link(
-					id_link,
-					GetSymbol(argv[0]), // ID
-					mass1,it.data(), // pointer to mass1, mass2
-					GetAFloat(argv[3]), // K1
-					GetAFloat(argv[4]), // D1
-					2,					// normal
-					GetAFloat(argv[5]),GetAFloat(argv[6]),N >= 3?GetAFloat(argv[7]):0,	// vector
-					(N==2 && argc >= 8)?GetFloat(argv[7]):((N==3 && argc >= 9)?GetFloat(argv[8]):1),	// pow
-					(N==2 && argc >= 9)?GetFloat(argv[8]):((N==3 && argc >= 10)?GetFloat(argv[9]):0),	// Lmin
-					(N==2 && argc >= 10)?GetFloat(argv[9]):((N==3 && argc >= 11)?GetFloat(argv[10]):1e10)// Lmax
-				);
-				linkids.insert(l);
-				link.insert(id_link++,l);
-				outlink(S_nLink,l);
-			}
-		}
-		else if (IsSymbol(argv[1]) && IsSymbol(argv[2])==0)	{	// ID & No
-			typename IDMap<t_mass *>::iterator it1,it;
-			it1 = massids.find(GetSymbol(argv[1]));
-	 		t_mass *mass2 = mass.find(GetAInt(argv[2]));
-			for(it = it1; it; ++it) {
-				t_link *l = new t_link(
-					id_link,
-					GetSymbol(argv[0]), // ID
-					it.data(),mass2, // pointer to mass1, mass2
-					GetAFloat(argv[3]), // K1
-					GetAFloat(argv[4]), // D1
-					2,					// normal
-					GetAFloat(argv[5]),GetAFloat(argv[6]),N >= 3?GetAFloat(argv[7]):0,	// vector
-					(N==2 && argc >= 8)?GetFloat(argv[7]):((N==3 && argc >= 9)?GetFloat(argv[8]):1),	// pow
-					(N==2 && argc >= 9)?GetFloat(argv[8]):((N==3 && argc >= 10)?GetFloat(argv[9]):0),	// Lmin
-					(N==2 && argc >= 10)?GetFloat(argv[9]):((N==3 && argc >= 11)?GetFloat(argv[10]):1e10)// Lmax
-				);
-				linkids.insert(l);
-				link.insert(id_link++,l);
-				outlink(S_nLink,l);
-			}
-		}
-		else	{										// No & No
-			t_mass *mass1 = mass.find(GetAInt(argv[1]));
-			t_mass *mass2 = mass.find(GetAInt(argv[2]));
- 	
-   			if(!mass1 || !mass2) {
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-				return;
-			}
-
-			t_link *l = new t_link(
-				id_link,
-				GetSymbol(argv[0]), // ID
-				mass1,mass2, // pointer to mass1, mass2
-				GetAFloat(argv[3]), // K1
-				GetAFloat(argv[4]), // D1
-				2,					// normal
-				GetAFloat(argv[5]),GetAFloat(argv[6]),N >= 3?GetAFloat(argv[7]):0,	// vector
-				(N==2 && argc >= 8)?GetFloat(argv[7]):((N==3 && argc >= 9)?GetFloat(argv[8]):1),	// pow
-				(N==2 && argc >= 9)?GetFloat(argv[8]):((N==3 && argc >= 10)?GetFloat(argv[9]):0),	// Lmin
-				(N==2 && argc >= 10)?GetFloat(argv[9]):((N==3 && argc >= 11)?GetFloat(argv[10]):1e10)// Lmax
-			);
-			linkids.insert(l);
-			link.insert(id_link++,l);
-			outlink(S_nLink,l);
-		}
-	*/}
-
-	// set Id of link(s) named Id or number No
-	void m_setLinkId(int argc,t_atom *argv) 
-	{
-		if (argc != 2) {
-			error("%s - %s Syntax : OldId/NoLink NewId",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_symbol *id = GetSymbol(argv[1]);
-
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_link *>::iterator it;
-			for(it = linkids.find(GetSymbol(argv[0])); it; ++it)
-				it.data()->Id = id;
-		}
-		else	{
-			t_link *l = link.find(GetAInt(argv[0]));
-			if(l)
-				l->Id = id;
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-
-	// set rigidity of link(s) named Id or number No
-	void m_setK(int argc,t_atom *argv) 
-	{
-		if (argc != 2) {
-			error("%s - %s Syntax : Id/NoLink Value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_float k1 = GetAFloat(argv[1]);
-
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_link *>::iterator it;
-			for(it = linkids.find(GetSymbol(argv[0])); it; ++it)
-				it.data()->K1 = k1;
-		}
-		else	{
-			t_link *l = link.find(GetAInt(argv[0]));
-			if(l)
-				l->K1 = k1;
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-
-	// set damping of link(s) named Id or number No
-	void m_setD(int argc,t_atom *argv) 
-	{
-		if (argc != 2) {
-			error("%s - %s Syntax : Id/NoLink Value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_float d1 = GetAFloat(argv[1]);
-
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_link *>::iterator it;
-			for(it = linkids.find(GetSymbol(argv[0])); it; ++it)
-				it.data()->D1 = d1;
-		}
-		else	{
-			t_link *l = link.find(GetAInt(argv[0]));
-			if(l)
-				l->D1 = d1;
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-	
-	// set max lenght of link(s) named Id or number No
-	void m_setLmax(int argc,t_atom *argv) 
-	{
-		if (argc != 2) {
-			error("%s - %s Syntax : Id/NoLink Value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_float lon = GetAFloat(argv[1]);
-
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_link *>::iterator it;
-			for(it = linkids.find(GetSymbol(argv[0])); it; ++it) {
-				it.data()->long_max = lon;
-			}
-		}
-		else	{
-			t_link *l = link.find(GetAInt(argv[0]));
-			if(l) {
-				l->long_max = lon;
-			}
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-
-	// set min lenght of link(s) named Id or number No
-	void m_setLmin(int argc,t_atom *argv) 
-	{
-		if (argc != 2) {
-			error("%s - %s Syntax : Id/NoLink Value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_float lon = GetAFloat(argv[1]);
-
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_link *>::iterator it;
-			for(it = linkids.find(GetSymbol(argv[0])); it; ++it) {
-				it.data()->long_min = lon;
-			}
-		}
-		else	{
-			t_link *l = link.find(GetAInt(argv[0]));
-			if(l) {
-				l->long_min = lon;
-			}
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-	
-	// set initial lenght of link(s) named Id or number No
-	void m_setL(int argc,t_atom *argv) 
-	{
-		if (argc != 2) {
-			error("%s - %s Syntax : Id/NoLink Value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_float lon = GetAFloat(argv[1]);
-
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_link *>::iterator it;
-			for(it = linkids.find(GetSymbol(argv[0])); it; ++it) {
-				it.data()->longueur = lon;
-				it.data()->distance_old = lon;
-			}
-		}
-		else	{
-			t_link *l = link.find(GetAInt(argv[0]));
-			if(l) {
-				l->longueur = lon;
-				l->distance_old = lon;
-			}
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-
-	// set mass of mass(s) named Id or number No
-	void m_setM(int argc,t_atom *argv) 
-	{
-		if (argc != 2) {
-			error("%s - %s Syntax : Id/NoLink Value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		const t_float ma = GetAFloat(argv[1]);
-
-		if(IsSymbol(argv[0])) {
-			typename IDMap<t_mass *>::iterator it;
-			//typename IDMap<t_link *>::iterator it;
-			for(it = massids.find(GetSymbol(argv[0])); it; ++it) {
-				it.data()->M = ma;
-				it.data()->invM = ma?1/ma:0.; 
-			}
-		}
-		else	{
-			t_mass *m = mass.find(GetAInt(argv[0]));
-			if(m) {
-				m->M = ma;
-				m->invM = ma?1/ma:0.;
-			}
-			else
-				error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-		}
-	}
-	
-	// set damping of link(s) named Id
-	void m_setD2(int argc,t_atom *argv) 
-	{
-		if (argc != 2) {
-			error("%s - %s Syntax : IdLink Value",thisName(),GetString(thisTag()));
-			return;
-		}
-
-		t_float d2 = GetAFloat(argv[1]);
-		typename IDMap<t_link *>::iterator it;
-		for(it = linkids.find(GetSymbol(argv[0])); it; ++it)
-			it.data()->D2 = d2;
-	}
-
-	// Delete link
-	void m_delete_link(int argc,t_atom *argv) 
-	{
-		if (argc != 1) {
-			error("%s - %s Syntax : NtLink",thisName(),GetString(thisTag()));
-			return;
-		}
-		
-		t_link *l = link.find(GetAInt(argv[0]));
-		if(l)	{
-			deletelink(l);
-			link_deleted = 1;
-		}
-		else {
-			error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-			return;
-		}
-	}
-
-
-// --------------------------------------------------------------  GET 
-// -------------------------------------------------------------------
-
-	// get attributes
-	void m_get(int argc,t_atom *argv)
-	{
-		if(argc == 0) {
-			return;
-		}
-	
-		t_atom sortie[1+2*N];
-		t_float mean[N] ,std[N], nombre;
-		const t_symbol *auxtype = GetSymbol(argv[0]);
-
-
-		if (argc == 1) {
-			if (auxtype == S_massesPos)	{	// get all masses positions
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {	
-					SetInt(sortie[0],mit.data()->nbr);
-					for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],mit.data()->pos[i]);
-					ToOutAnything(0,S_massesPos,1+N,sortie);
-				}
-			}
-			else if (auxtype == S_massesPosName)	{	// get all masses positions output Id
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {	
-					SetSymbol(sortie[0],mit.data()->Id);
-					for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],mit.data()->pos[i]);
-					ToOutAnything(0,S_massesPosName,1+N,sortie);
-				}
-			}
-			else if (auxtype == S_massesPosMean)	{	// get all masses positions mean
-				for(int i = 0; i<N; ++i) 
-					mean[i] = 0;
-				nombre = 0;
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {
-					++nombre;
-					for(int i = 0; i < N; ++i)	
-						mean[i] += mit.data()->pos[i];
-				}
-				for(int i = 0; i < N; ++i)	
-					SetFloat(sortie[0+i],mean[i]/nombre);
-				ToOutAnything(0,S_massesPosMean,0+N,sortie);
-			}
-			else if (auxtype == S_massesPosStd)	{	// get all masses positions std
-				for(int i = 0; i<N; ++i) {
-					mean[i] = 0;
-					std[i] = 0;
-				}
-				nombre = 0;
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {
-					++nombre;
-					for(int i = 0; i < N; ++i) {	
-						mean[i] += mit.data()->pos[i];
-						std[i] += sqr(mit.data()->pos[i]) ;
-					} 
-				}
-				for(int i = 0; i < N; ++i)	
-					SetFloat(sortie[0+i],sqrt(std[i]/nombre-sqr(mean[i]/nombre)));
-				ToOutAnything(0,S_massesPosStd,0+N,sortie);
-			}
-			else if (auxtype == S_massesForces)	{ // get all masses forces
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {	
-					SetInt(sortie[0],mit.data()->nbr);	
-					for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],mit.data()->out_force[i]);
-					ToOutAnything(0,S_massesForces,1+N,sortie);
-				}
-			}
-			else if (auxtype == S_massesForcesName)	{ // get all masses forces
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {	
-					SetSymbol(sortie[0],mit.data()->Id);	
-					for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],mit.data()->out_force[i]);
-					ToOutAnything(0,S_massesForcesName,1+N,sortie);
-				}
-			}
-			else if (auxtype == S_massesForcesMean)	{	// get all masses forces mean
-				for(int i = 0; i<N; ++i) 
-					mean[i] = 0;
-				nombre = 0;
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {
-					++nombre;
-					for(int i = 0; i < N; ++i)	
-						mean[i] += mit.data()->out_force[i];
-				}
-				for(int i = 0; i < N; ++i)	
-					SetFloat(sortie[0+i],mean[i]/nombre);
-				ToOutAnything(0,S_massesForcesMean,0+N,sortie);
-			}
-			else if (auxtype == S_massesForcesStd)	{	// get all masses forces std
-				for(int i = 0; i<N; ++i) {
-					mean[i] = 0;
-					std[i] = 0;
-				}
-				nombre = 0;
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {
-					++nombre;
-					for(int i = 0; i < N; ++i) {	
-						mean[i] += mit.data()->out_force[i];
-						std[i] += sqr(mit.data()->out_force[i]) ;
-					} 
-				}
-				for(int i = 0; i < N; ++i)	
-					SetFloat(sortie[0+i],sqrt(std[i]/nombre-sqr(mean[i]/nombre)));
-				ToOutAnything(0,S_massesForcesStd,0+N,sortie);
-			}
-			else if (auxtype == S_linksPos) {		// get all links positions
-				for(typename IndexMap<t_link *>::iterator lit(link); lit; ++lit) {	
-					SetInt(sortie[0],lit.data()->nbr);	
-					for(int i = 0; i < N; ++i) {
-						SetFloat(sortie[1+i],lit.data()->mass1->pos[i]);
-						SetFloat(sortie[1+N+i],lit.data()->mass2->pos[i]);
-					}
-					ToOutAnything(0,S_linksPos,1+2*N,sortie);
-				}
-			}
-			else if (auxtype == S_linksPosName) {		// get all links positions
-				for(typename IndexMap<t_link *>::iterator lit(link); lit; ++lit) {	
-					SetSymbol(sortie[0],lit.data()->Id);	
-					for(int i = 0; i < N; ++i) {
-						SetFloat(sortie[1+i],lit.data()->mass1->pos[i]);
-						SetFloat(sortie[1+N+i],lit.data()->mass2->pos[i]);
-					}
-					ToOutAnything(0,S_linksPosName,1+2*N,sortie);
-				}
-			}
-			else if (auxtype == S_linksLenghts) {		// get all links lenghts
-				for(typename IndexMap<t_link *>::iterator lit(link); lit; ++lit) {	
-					SetInt(sortie[0],lit.data()->nbr);	
-					SetFloat(sortie[1],lit.data()->distance_old);
-					ToOutAnything(0,S_linksLenghts,2,sortie);
-				}
-			}
-			else if (auxtype == S_linksLenghtsMean)	{	// get all links lenghts mean
-				for(int i = 0; i<N; ++i) 
-					mean[i] = 0;
-				nombre = 0;
-				for(typename IndexMap<t_link *>::iterator lit(link); lit; ++lit) {
-					++nombre;
-					mean[0] += lit.data()->distance_old;
-				}
-				for(int i = 0; i < N; ++i)	
-					SetFloat(sortie[0],mean[0]/nombre);
-				ToOutAnything(0,S_linksLenghtsMean,1,sortie);
-			}
-			else if (auxtype == S_linksLenghtsStd)	{	// get all links lenghts std
-				for(int i = 0; i<N; ++i) {
-					mean[i] = 0;
-					std[i] = 0;
-				}
-				nombre = 0;
-				for(typename IndexMap<t_link *>::iterator lit(link); lit; ++lit) {
-					++nombre;
-					mean[0] += lit.data()->distance_old;
-					std[0] += sqr(lit.data()->distance_old) ;
-				}
-				for(int i = 0; i < N; ++i)	
-					SetFloat(sortie[0],sqrt(std[0]/nombre-sqr(mean[0]/nombre)));
-				ToOutAnything(0,S_linksLenghtsStd,1,sortie);
-			}
-			else if (auxtype == S_massesSpeeds) {		// get all masses speeds
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {	
-					SetInt(sortie[0],mit.data()->nbr);	
-					for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],mit.data()->speed[i]);
-					ToOutAnything(0,S_massesSpeeds,1+N,sortie);
-				}
-			}
-			else if (auxtype == S_massesSpeedsName) {		// get all masses speeds
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {	
-					SetSymbol(sortie[0],mit.data()->Id);	
-					for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],mit.data()->speed[i]);
-					ToOutAnything(0,S_massesSpeedsName,1+N,sortie);
-				}
-			}
-			else if (auxtype == S_massesSpeedsMean)	{	// get all masses forces mean
-				for(int i = 0; i<N; ++i) 
-					mean[i] = 0;
-				nombre = 0;
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {
-					++nombre;
-					for(int i = 0; i < N; ++i)	
-						mean[i] += mit.data()->speed[i];
-				}
-				for(int i = 0; i < N; ++i)	
-					SetFloat(sortie[0+i],mean[i]/nombre);
-				ToOutAnything(0,S_massesSpeedsMean,0+N,sortie);
-			}
-			else if (auxtype == S_massesSpeedsStd)	{	// get all masses forces std
-				for(int i = 0; i<N; ++i) {
-					mean[i] = 0;
-					std[i] = 0;
-				}
-				nombre = 0;
-				for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit) {
-					++nombre;
-					for(int i = 0; i < N; ++i) {	
-						mean[i] += mit.data()->speed[i];
-						std[i] += sqr(mit.data()->speed[i]) ;
-					} 
-				}
-				for(int i = 0; i < N; ++i)	
-					SetFloat(sortie[0+i],sqrt(std[i]/nombre-sqr(mean[i]/nombre)));
-				ToOutAnything(0,S_massesSpeedsStd,0+N,sortie);
-			}
-			else 
-				error("%s - %s : Syntax error",thisName(),GetString(thisTag()));
-			return;
-		}
-		
-		// more than 1 args
-		if (auxtype == S_massesPos) 	// get mass positions
-		{
-			for(int j = 1; j<argc; j++) {
-				if(IsSymbol(argv[j])) {
-					typename IDMap<t_mass *>::iterator mit;
-					for(mit = massids.find(GetSymbol(argv[j])); mit; ++mit) {
-						SetSymbol(sortie[0],mit.data()->Id);
-						for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],mit.data()->pos[i]);
-						ToOutAnything(0,S_massesPosId,1+N,sortie);
-					}
-				}
-				else {
-					t_mass *m = mass.find(GetAInt(argv[j]));
-					if(m) {
-						SetInt(sortie[0],m->nbr);
-						for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],m->pos[i]);
-						ToOutAnything(0,S_massesPosNo,1+N,sortie);
-					}
-//					else
-//						error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-				}
-			}
-		}
-		else if (auxtype == S_massesForces)	// get mass forces
-		{
-			for(int j = 1; j<argc; j++) {
-				if(IsSymbol(argv[j])) {
-					typename IDMap<t_mass *>::iterator mit;
-					for(mit = massids.find(GetSymbol(argv[j])); mit; ++mit) {
-						SetSymbol(sortie[0],mit.data()->Id);
-						for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],mit.data()->out_force[i]);
-						ToOutAnything(0,S_massesForcesId,1+N,sortie);
-					}
-				}
-				else {
-					t_mass *m = mass.find(GetAInt(argv[j]));
-					if(m) {
-						SetInt(sortie[0],m->nbr);
-						for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],m->out_force[i]);
-						ToOutAnything(0,S_massesForcesNo,1+N,sortie);
-					}
-//					else
-//						error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-				}
-			}
-		}
-		else if (auxtype == S_linksPos)		// get links positions
-		{
-			for(int j = 1; j<argc; j++) {
-				if(IsSymbol(argv[j])) {
-					typename IDMap<t_link *>::iterator lit;
-					for(lit = linkids.find(GetSymbol(argv[j])); lit; ++lit) {
-						SetSymbol(sortie[0],lit.data()->Id);
-						for(int i = 0; i < N; ++i) {
-							SetFloat(sortie[1+i],lit.data()->mass1->pos[i]);
-							SetFloat(sortie[1+N+i],lit.data()->mass2->pos[i]);
-						}
-						ToOutAnything(0,S_linksPosId,1+2*N,sortie);
-					}
-				}
-				else {
-					t_link *l = link.find(GetAInt(argv[j]));
-					if(l) {
-						SetInt(sortie[0],l->nbr);
-						for(int i = 0; i < N; ++i) {
-							SetFloat(sortie[1+i],l->mass1->pos[i]);
-							SetFloat(sortie[1+N+i],l->mass2->pos[i]);
-						}
-						ToOutAnything(0,S_linksPosNo,1+2*N,sortie);
-					}
-//					else
-//						error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-				}
-			}
-		}
-		else if (auxtype == S_linksLenghts)		// get links lenghts
-		{
-			for(int j = 1; j<argc; j++) {
-				if(IsSymbol(argv[j])) {
-					typename IDMap<t_link *>::iterator lit;
-					for(lit = linkids.find(GetSymbol(argv[j])); lit; ++lit) {
-						SetSymbol(sortie[0],lit.data()->Id);
-						SetFloat(sortie[1],lit.data()->distance_old);
-						ToOutAnything(0,S_linksLenghtsId,2,sortie);
-					}
-				}
-				else {
-					t_link *l = link.find(GetAInt(argv[j]));
-					if(l) {
-						SetInt(sortie[0],l->nbr);
-						SetFloat(sortie[1],l->distance_old);
-						ToOutAnything(0,S_linksLenghtsNo,2,sortie);
-					}
-//					else
-//						error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-				}
-			}
-		}
-		else 			 		// get mass speeds
-		{
-			for(int j = 1; j<argc; j++) {
-				if(IsSymbol(argv[j])) {
-					typename IDMap<t_mass *>::iterator mit;
-					for(mit = massids.find(GetSymbol(argv[j])); mit; ++mit) {
-						SetSymbol(sortie[0],mit.data()->Id);
-						for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],mit.data()->speed[i]);
-						ToOutAnything(0,S_massesSpeedsId,1+N,sortie);
-					}
-				}
-				else {
-					t_mass *m = mass.find(GetAInt(argv[j]));
-					if(m) {
-						SetInt(sortie[0],m->nbr);
-						for(int i = 0; i < N; ++i) SetFloat(sortie[1+i],m->speed[i]);
-						ToOutAnything(0,S_massesSpeedsNo,1+N,sortie);
-					}
-//					else
-//						error("%s - %s : Index not found",thisName(),GetString(thisTag()));
-				}
-			}
-		}
-	}
-
-	// List of masses positions on first outlet
-	void m_mass_dumpl()
-	{
-		if (mass_deleted ==0)	{
-			int sz = mass.size();
-			NEWARR(t_atom,sortie,sz*N);
-			t_atom *s = sortie;
-			for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit)
-				for(int i = 0; i < N; ++i) SetFloat(s[mit.data()->nbr*N+i],mit.data()->pos[i]);
-			ToOutAnything(0, S_massesPosL, sz*N, sortie);
-			DELARR(sortie);
-		}
-		else
-			error("%s - %s : Message Forbidden when deletion is used",thisName(),GetString(thisTag()));
-	}
-
-	// List of masses x positions on first outlet
-	void m_mass_dump_xl()
-	{	
-		if (mass_deleted ==0)	{
-			int sz = mass.size();
-			NEWARR(t_atom,sortie,sz);
-			t_atom *s = sortie;
-			for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit)
-				SetFloat(s[mit.data()->nbr],mit.data()->pos[0]);
-			ToOutAnything(0, S_massesPosXL, sz, sortie);
-			DELARR(sortie);
-		}
-		else
-			error("%s - %s : Message Forbidden when deletion is used",thisName(),GetString(thisTag()));
-	}
-
-	// List of masses y positions on first outlet
-	void m_mass_dump_yl()
-	{	
-		if (mass_deleted ==0)	{
-			int sz = mass.size();
-			NEWARR(t_atom,sortie,sz);
-			t_atom *s = sortie;
-			for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit)
-				SetFloat(s[mit.data()->nbr],mit.data()->pos[1]);
-			ToOutAnything(0, S_massesPosYL, sz, sortie);
-			DELARR(sortie);
-		}
-		else
-			error("%s - %s : Message Forbidden when deletion is used",thisName(),GetString(thisTag()));
-	}
-
-	// List of masses z positions on first outlet
-	void m_mass_dump_zl()
-	{	
-		if (mass_deleted ==0)	{
-			int sz = mass.size();
-			NEWARR(t_atom,sortie,sz);
-			t_atom *s = sortie;
-			for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit)
-				SetFloat(s[mit.data()->nbr],mit.data()->pos[2]);
-			ToOutAnything(0, S_massesPosZL, sz, sortie);
-			DELARR(sortie);
-		}
-		else
-			error("%s - %s : Message Forbidden when deletion is used",thisName(),GetString(thisTag()));
-	}
-
-	// List of masses forces on first outlet
-	void m_force_dumpl()
-	{	
-		if (mass_deleted ==0)	{
-			int sz = mass.size();
-			NEWARR(t_atom,sortie,sz*N);
-			t_atom *s = sortie;
-			for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit)
-				for(int i = 0; i < N; ++i) SetFloat(s[mit.data()->nbr*N+i],mit.data()->out_force[i]);
-			ToOutAnything(0, S_massesForcesL, sz*N, sortie);
-			DELARR(sortie);
-		}
-		else
-			error("%s - %s : Message Forbidden when deletion is used",thisName(),GetString(thisTag()));
-	}
-
-	// List of masses and links infos on second outlet
-	void m_info_dumpl()
-	{	
-		for(typename IndexMap<t_mass *>::iterator mit(mass); mit; ++mit)
-			outmass(S_Mass,mit.data());
-
-		for(typename IndexMap<t_link *>::iterator lit(link); lit; ++lit)
-			outlink(S_Link,lit.data());
-	}
-
-
-// --------------------------------------------------------------  SETUP
-// ---------------------------------------------------------------------
-
-private:
-
-	void clear()
-	{
-		linkids.reset();
-		link.reset();
-
-		massids.reset();
-		mass.reset();
-		// Reset state variables 		
-		id_mass = id_link = mouse_grab = mass_deleted = link_deleted = 0;
-	}
-	
-	void deletelink(t_link *l)
-	{
-		outlink(S_Link_deleted,l);
-		linkids.erase(l);
-		link.remove(l->nbr);
-		delete l;
-	}
-	
-	void outmass(const t_symbol *s,const t_mass *m)
-	{
-		t_atom sortie[4+N];
-		SetInt((sortie[0]),m->nbr);
-		SetSymbol((sortie[1]),m->Id);
-		SetBool((sortie[2]),m->getMobile());
-		SetFloat((sortie[3]),m->M);
-		for(int i = 0; i < N; ++i) SetFloat((sortie[4+i]),m->pos[i]);
-		ToOutAnything(1,s,4+N,sortie);
-	}
-	
-	void outlink(const t_symbol *s,const t_link *l)
-	{
-		t_atom sortie[15];
-		int size=6;
-		SetInt((sortie[0]),l->nbr);
-		SetSymbol((sortie[1]),l->Id);
-		SetInt((sortie[2]),l->mass1->nbr);
-		SetInt((sortie[3]),l->mass2->nbr);
-		SetFloat((sortie[4]),l->K1);
-		SetFloat((sortie[5]),l->D1);
-
-		if (l->link_type == 1 ||(l->link_type == 2 && N ==2))	{
-			for (int i=0; i<N; i++)
-				SetFloat((sortie[6+i]),l->tdirection1[i]);
-//			ToOutAnything(1,s,6+N,sortie);
-			size = 6+N;
-		}
-		else if (l->link_type == 2 && N==3)	{
-			for (int i=0; i<N; i++)	{
-				SetFloat((sortie[6+i]),l->tdirection1[i]);
-				SetFloat((sortie[6+i+N]),l->tdirection2[i]);	
-			}			
-//			ToOutAnything(1,s,6+2*N,sortie);
-			size = 6+2*N;
-		}
-
-		if(l->long_max != 1e10)	{
-			SetFloat((sortie[size]),l->puissance);
-			size++;
-			SetFloat((sortie[size]),l->long_min);
-			size++;
-			SetFloat((sortie[size]),l->long_max);
-			size++;
-		}
-		else if(l->long_min != 0) {
-			SetFloat((sortie[size]),l->puissance);
-			size++;
-			SetFloat((sortie[size]),l->long_min);
-			size++;
-		}
-		else if(l->puissance != 1)	{
-			SetFloat((sortie[size]),l->puissance);
-			size++;
-		}
-		ToOutAnything(1,s,size,sortie);
-	}
-	
-
-	// Static symbols
-	const static t_symbol *S_Reset;
-	const static t_symbol *S_Mass;
-	const static t_symbol *S_Link;
-	const static t_symbol *S_iLink;
-	const static t_symbol *S_tLink;
-	const static t_symbol *S_nLink;
-	const static t_symbol *S_Mass_deleted;
-	const static t_symbol *S_Link_deleted;
-	const static t_symbol *S_massesPos;
-	const static t_symbol *S_massesPosName;
-	const static t_symbol *S_massesPosMean;
-	const static t_symbol *S_massesPosStd;
-	const static t_symbol *S_massesPosNo;
-	const static t_symbol *S_massesPosId;
-	const static t_symbol *S_linksPos;
-	const static t_symbol *S_linksPosName;
-	const static t_symbol *S_linksPosNo;
-	const static t_symbol *S_linksPosId;
-	const static t_symbol *S_linksLenghts;
-	const static t_symbol *S_linksLenghtsMean;
-	const static t_symbol *S_linksLenghtsStd;
-	const static t_symbol *S_linksLenghtsNo;
-	const static t_symbol *S_linksLenghtsId;
-	const static t_symbol *S_massesForces;
-	const static t_symbol *S_massesForcesName;
-	const static t_symbol *S_massesForcesMean;
-	const static t_symbol *S_massesForcesStd;
-	const static t_symbol *S_massesForcesNo;
-	const static t_symbol *S_massesForcesId;
-	const static t_symbol *S_massesSpeeds;
-	const static t_symbol *S_massesSpeedsName;
-	const static t_symbol *S_massesSpeedsMean;
-	const static t_symbol *S_massesSpeedsStd;
-	const static t_symbol *S_massesSpeedsNo;
-	const static t_symbol *S_massesSpeedsId;
-	const static t_symbol *S_massesPosL;
-	const static t_symbol *S_massesPosXL;
-	const static t_symbol *S_massesPosYL;
-	const static t_symbol *S_massesPosZL;
-	const static t_symbol *S_massesForcesL;
-
-	static void setup(t_classid c)
-	{
-		S_Reset = MakeSymbol("Reset");
-		S_Mass = MakeSymbol("Mass");
-		S_Link = MakeSymbol("Link");
-		S_iLink = MakeSymbol("iLink");
-		S_tLink = MakeSymbol("tLink");
-		S_nLink = MakeSymbol("nLink");
-		S_Mass_deleted = MakeSymbol("Mass deleted");
-		S_Link_deleted = MakeSymbol("Link deleted");
-		S_massesPos = MakeSymbol("massesPos");
-		S_massesPosName = MakeSymbol("massesPosName");
-		S_massesPosMean = MakeSymbol("massesPosMean");
-		S_massesPosStd = MakeSymbol("massesPosStd");
-		S_massesPosNo = MakeSymbol("massesPosNo");
-		S_massesPosId = MakeSymbol("massesPosId");
-		S_linksPos = MakeSymbol("linksPos");
-		S_linksPosName = MakeSymbol("linksPosName");
-		S_linksPosNo = MakeSymbol("linksPosNo");
-		S_linksPosId = MakeSymbol("linksPosId");
-		S_linksLenghts = MakeSymbol("linksLenghts");
-		S_linksLenghtsMean = MakeSymbol("linksLenghtsMean");
-		S_linksLenghtsStd = MakeSymbol("linksLenghtsStd");
-		S_linksLenghtsNo = MakeSymbol("linksLenghtsNo");
-		S_linksLenghtsId = MakeSymbol("linksLenghtsId");
-		S_massesForces = MakeSymbol("massesForces");
-		S_massesForcesName = MakeSymbol("massesForcesName");
-		S_massesForcesMean = MakeSymbol("massesForcesMean");
-		S_massesForcesStd = MakeSymbol("massesForcesStd");
-		S_massesForcesNo = MakeSymbol("massesForcesNo");
-		S_massesForcesId = MakeSymbol("massesForcesId");
-		S_massesSpeeds = MakeSymbol("massesSpeeds");
-		S_massesSpeedsName = MakeSymbol("massesSpeedsName");
-		S_massesSpeedsMean = MakeSymbol("massesSpeedsMean");
-		S_massesSpeedsStd = MakeSymbol("massesSpeedsStd");
-		S_massesSpeedsNo = MakeSymbol("massesSpeedsNo");
-		S_massesSpeedsId = MakeSymbol("massesSpeedsId");
-		S_massesPosL = MakeSymbol("massesPosL");
-		S_massesPosXL = MakeSymbol("massesPosXL");
-		S_massesPosYL = MakeSymbol("massesPosYL");
-		S_massesPosZL = MakeSymbol("massesPosZL");
-		S_massesForcesL = MakeSymbol("massesForcesL");
-
-		// --- set up methods (class scope) ---
-
-		// register a bang method to the default inlet (0)
-		FLEXT_CADDBANG(c,0,m_bang);
-
-		// set up tagged methods for the default inlet (0)
-		// the underscore _ after CADDMETHOD indicates that a message tag is used
-		// no, variable list or anything and all single arguments are recognized automatically, ...
-		FLEXT_CADDMETHOD_(c,0,"reset",m_reset);
-
-		FLEXT_CADDMETHOD_(c,0,"forceX",m_forceX);
-		FLEXT_CADDMETHOD_(c,0,"posX",m_posX);
-		FLEXT_CADDMETHOD_(c,0,"Xmax",m_Xmax);
-		FLEXT_CADDMETHOD_(c,0,"Xmin",m_Xmin);
-		FLEXT_CADDMETHOD_(c,0,"forceN",m_forceN);
-		FLEXT_CADDMETHOD_(c,0,"posN",m_posN);
-		FLEXT_CADDMETHOD_(c,0,"Nmax",m_Nmax);
-		FLEXT_CADDMETHOD_(c,0,"Nmin",m_Nmin);
-		FLEXT_CADDMETHOD_(c,0,"massesPosL",m_mass_dumpl);
-		FLEXT_CADDMETHOD_(c,0,"massesPosXL",m_mass_dump_xl);
-		if(N >= 2) {
-			FLEXT_CADDMETHOD_(c,0,"forceY",m_forceY);
-			FLEXT_CADDMETHOD_(c,0,"posY",m_posY);
-			FLEXT_CADDMETHOD_(c,0,"Ymax",m_Ymax);
-			FLEXT_CADDMETHOD_(c,0,"Ymin",m_Ymin);
-			FLEXT_CADDMETHOD_(c,0,"massesPosYL",m_mass_dump_yl);
-			FLEXT_CADDMETHOD_(c,0,"grabMass",m_grab_mass);
-		}
-		if(N >= 3) {
-			FLEXT_CADDMETHOD_(c,0,"forceZ",m_forceZ);
-			FLEXT_CADDMETHOD_(c,0,"posZ",m_posZ);
-			FLEXT_CADDMETHOD_(c,0,"Zmax",m_Zmax);
-			FLEXT_CADDMETHOD_(c,0,"Zmin",m_Zmin);
-			FLEXT_CADDMETHOD_(c,0,"massesPosZL",m_mass_dump_zl);
-		}
-		
-		FLEXT_CADDMETHOD_(c,0,"setMobile",m_set_mobile);
-		FLEXT_CADDMETHOD_(c,0,"setFixed",m_set_fixe);
-		FLEXT_CADDMETHOD_(c,0,"setMassId",m_setMassId);
-		FLEXT_CADDMETHOD_(c,0,"setLinkId",m_setLinkId);
-		FLEXT_CADDMETHOD_(c,0,"setK",m_setK);
-		FLEXT_CADDMETHOD_(c,0,"setD",m_setD);
-		FLEXT_CADDMETHOD_(c,0,"setL",m_setL);
-		FLEXT_CADDMETHOD_(c,0,"setLMin",m_setLmin);
-		FLEXT_CADDMETHOD_(c,0,"setLMax",m_setLmax);
-		FLEXT_CADDMETHOD_(c,0,"setM",m_setM);
-		FLEXT_CADDMETHOD_(c,0,"setD2",m_setD2);
-		FLEXT_CADDMETHOD_(c,0,"mass",m_mass);
-		FLEXT_CADDMETHOD_(c,0,"link",m_link);
-		FLEXT_CADDMETHOD_(c,0,"iLink",m_ilink);
-		FLEXT_CADDMETHOD_(c,0,"tLink",m_tlink);
-		FLEXT_CADDMETHOD_(c,0,"nLink",m_nlink);
-		FLEXT_CADDMETHOD_(c,0,"get",m_get);
-		FLEXT_CADDMETHOD_(c,0,"deleteLink",m_delete_link);
-		FLEXT_CADDMETHOD_(c,0,"deleteMass",m_delete_mass);
-		FLEXT_CADDMETHOD_(c,0,"infosL",m_info_dumpl);
-		FLEXT_CADDMETHOD_(c,0,"massesForcesL",m_force_dumpl);
-	}
-
-	// for every registered method a callback has to be declared
-	FLEXT_CALLBACK(m_bang)
-	FLEXT_CALLBACK(m_mass_dumpl)
-	FLEXT_CALLBACK(m_mass_dump_xl)
-	FLEXT_CALLBACK(m_mass_dump_yl)
-	FLEXT_CALLBACK(m_mass_dump_zl)
-	FLEXT_CALLBACK(m_info_dumpl)
-	FLEXT_CALLBACK(m_force_dumpl)
-	FLEXT_CALLBACK(m_reset)
-	FLEXT_CALLBACK_V(m_set_mobile)
-	FLEXT_CALLBACK_V(m_set_fixe)
-	FLEXT_CALLBACK_V(m_mass)
-	FLEXT_CALLBACK_V(m_link)
-	FLEXT_CALLBACK_V(m_ilink)
-	FLEXT_CALLBACK_V(m_tlink)
-	FLEXT_CALLBACK_V(m_nlink)
-	FLEXT_CALLBACK_V(m_Xmax)
-	FLEXT_CALLBACK_V(m_Xmin)
-	FLEXT_CALLBACK_V(m_forceX)
-	FLEXT_CALLBACK_V(m_posX)
-	FLEXT_CALLBACK_V(m_Ymax)
-	FLEXT_CALLBACK_V(m_Ymin)
-	FLEXT_CALLBACK_V(m_forceY)
-	FLEXT_CALLBACK_V(m_posY)
-	FLEXT_CALLBACK_V(m_Zmax)
-	FLEXT_CALLBACK_V(m_Zmin)
-	FLEXT_CALLBACK_V(m_forceZ)
-	FLEXT_CALLBACK_V(m_posZ)
-	FLEXT_CALLBACK_V(m_Nmax)
-	FLEXT_CALLBACK_V(m_Nmin)
-	FLEXT_CALLBACK_V(m_forceN)
-	FLEXT_CALLBACK_V(m_posN)
-	FLEXT_CALLBACK_V(m_setMassId)
-	FLEXT_CALLBACK_V(m_setLinkId)
-	FLEXT_CALLBACK_V(m_setK)
-	FLEXT_CALLBACK_V(m_setD)
-	FLEXT_CALLBACK_V(m_setL)
-	FLEXT_CALLBACK_V(m_setLmin)
-	FLEXT_CALLBACK_V(m_setLmax)
-	FLEXT_CALLBACK_V(m_setM)
-	FLEXT_CALLBACK_V(m_setD2)
-	FLEXT_CALLBACK_V(m_get)
-	FLEXT_CALLBACK_V(m_delete_link)
-	FLEXT_CALLBACK_V(m_delete_mass)
-	FLEXT_CALLBACK_V(m_grab_mass)
-};
-// -------------------------------------------------------------- STATIC VARIABLES
-// -------------------------------------------------------------------------------
-
-template<int N> const t_symbol *msdN<N>::S_Reset;
-template<int N> const t_symbol *msdN<N>::S_Mass;
-template<int N> const t_symbol *msdN<N>::S_Link;
-template<int N> const t_symbol *msdN<N>::S_iLink;
-template<int N> const t_symbol *msdN<N>::S_tLink;
-template<int N> const t_symbol *msdN<N>::S_nLink;
-template<int N> const t_symbol *msdN<N>::S_Mass_deleted;
-template<int N> const t_symbol *msdN<N>::S_Link_deleted;
-template<int N> const t_symbol *msdN<N>::S_massesPos;
-template<int N> const t_symbol *msdN<N>::S_massesPosName;
-template<int N> const t_symbol *msdN<N>::S_massesPosNo;
-template<int N> const t_symbol *msdN<N>::S_massesPosId;
-template<int N> const t_symbol *msdN<N>::S_linksPos;
-template<int N> const t_symbol *msdN<N>::S_linksPosName;
-template<int N> const t_symbol *msdN<N>::S_linksPosNo;
-template<int N> const t_symbol *msdN<N>::S_linksPosId;
-template<int N> const t_symbol *msdN<N>::S_linksLenghts;
-template<int N> const t_symbol *msdN<N>::S_linksLenghtsMean;
-template<int N> const t_symbol *msdN<N>::S_linksLenghtsStd;
-template<int N> const t_symbol *msdN<N>::S_linksLenghtsNo;
-template<int N> const t_symbol *msdN<N>::S_linksLenghtsId;
-template<int N> const t_symbol *msdN<N>::S_massesForces;
-template<int N> const t_symbol *msdN<N>::S_massesForcesName;
-template<int N> const t_symbol *msdN<N>::S_massesForcesMean;
-template<int N> const t_symbol *msdN<N>::S_massesForcesStd;
-template<int N> const t_symbol *msdN<N>::S_massesForcesNo;
-template<int N> const t_symbol *msdN<N>::S_massesForcesId;
-template<int N> const t_symbol *msdN<N>::S_massesSpeeds;
-template<int N> const t_symbol *msdN<N>::S_massesSpeedsName;
-template<int N> const t_symbol *msdN<N>::S_massesSpeedsMean;
-template<int N> const t_symbol *msdN<N>::S_massesSpeedsStd;
-template<int N> const t_symbol *msdN<N>::S_massesSpeedsNo;
-template<int N> const t_symbol *msdN<N>::S_massesSpeedsId;
-template<int N> const t_symbol *msdN<N>::S_massesPosL;
-template<int N> const t_symbol *msdN<N>::S_massesPosXL;
-template<int N> const t_symbol *msdN<N>::S_massesPosYL;
-template<int N> const t_symbol *msdN<N>::S_massesPosZL;
-template<int N> const t_symbol *msdN<N>::S_massesPosStd;
-template<int N> const t_symbol *msdN<N>::S_massesPosMean;
-template<int N> const t_symbol *msdN<N>::S_massesForcesL;
-
-#define MSD(NAME,CLASS,N) \
-typedef msdN<N> CLASS; \
-template<> FLEXT_NEW_V(NAME,CLASS)