Exemplo n.º 1
0
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void m_frequ(scicos_block *block, int flag)
{
    double *mat = NULL;
    double *Dt = NULL;
    double *off = NULL;
    SCSINT32_COP *icount = NULL;
    double t = 0.0;
    time_counter_t** work = (time_counter_t**) block->work;
    time_counter_t *counter = NULL;
    int m = 0;
    mat = GetRealOparPtrs(block, 1);
    Dt = GetRealOparPtrs(block, 2);
    off = GetRealOparPtrs(block, 3);
    icount = Getint32OparPtrs(block, 4);
    m = GetOparSize(block, 1, 1);

    switch (flag)
    {

        case 4 :   /* the workspace is used to store discrete counter value */
        {
            if ((*work = (time_counter_t*) scicos_malloc(sizeof(time_counter_t) * 2)) == NULL)
            {
                set_block_error(-16);
                return;
            }
            counter = *work;
            *counter = *icount;
            (*(counter + 1)) = 0;
            break;
        }

        /* event date computation */
        case 3  :
        {
            counter = *work;
            t = get_scicos_time();
            *counter += (int)mat[*(counter + 1)]; /*increase counter*/
            block->evout[(int)mat[*(counter + 1) + m] - 1] = *off + ((double) * counter / (*Dt)) - t;
            (*(counter + 1))++;
            *(counter + 1) = *(counter + 1) % m;
            break;
        }

        /* finish */
        case 5  :
        {
            scicos_free(*work); /*free the workspace*/
            break;
        }

        default :
            break;
    }
}
Exemplo n.º 2
0
/*    Copyright INRIA
 *    Scicos block simulator
 *    event delay with discrete counter
 */
SCICOS_BLOCKS_IMPEXP void evtdly4(scicos_block *block, int flag)
{
    double t = 0.;
    time_counter_t** work = (time_counter_t**) block->work;
    time_counter_t* i = NULL;

    switch (flag)
    {
        /* init */
        case 4  :  /* the workspace is used to store discrete counter value */
        {
            if ((*work = (time_counter_t*) scicos_malloc(sizeof(time_counter_t))) == NULL)
            {
                set_block_error(-16);
                return;
            }
            i = *work;
            (*i) = 0;
            break;
        }

        /* event date computation */
        case 3  :
        {
            double dt;

            i = *work;
            t = get_scicos_time();
            (*i)++; /*increase counter*/
            dt = block->rpar[1] + (*i) * block->rpar[0] - t;
            /* on event enabled, use the default delay if not scheduled */
            if (block->rpar[1] >= 0 && dt < 0)
            {
                dt = block->rpar[0];
            }
            block->evout[0] = dt;
            break;
        }

        /* finish */
        case 5  :
        {
            scicos_free(*work); /*free the workspace*/
            break;
        }

        default :
            break;
    }
}
Exemplo n.º 3
0
/*--------------------------------------------------------------------------*/ 
SCICOS_BLOCKS_IMPEXP void backlash(scicos_block *block,int flag)
{ 
  double* rw = NULL,t  = 0.;
  if (flag == 4){/* the workspace is used to store previous values */
    if ((*block->work=	 scicos_malloc(sizeof(double)* 4))== NULL ) {
      set_block_error(-16);
      return;
    }
    rw=*block->work; 
    t=get_scicos_time();
    rw[0]=t;
    rw[1]=t;
    rw[2]=block->rpar[0];
    rw[3]=block->rpar[0];
  }else  if (flag == 5){
    scicos_free(*block->work);
  }else  if (flag == 1) {
    rw=*block->work;
    t=get_scicos_time();
    if(t>rw[1]) {
      rw[0]=rw[1];
      rw[2]=rw[3];
    }
    rw[1]=t;
    if(block->inptr[0][0]>rw[2]+block->rpar[1]/2){
      rw[3]=block->inptr[0][0]-block->rpar[1]/2;
    } else if (block->inptr[0][0]<rw[2]-block->rpar[1]/2){
      rw[3]=block->inptr[0][0]+block->rpar[1]/2;
    } else {
      rw[3]=rw[2];
    }
    block->outptr[0][0]=rw[3];
  }  else if (flag == 9) {
    rw=*block->work;
    t=get_scicos_time();
    if(t>rw[1]){
      block->g[0] = block->inptr[0][0]-block->rpar[1]/2-rw[3];
      block->g[1] = block->inptr[0][0]+block->rpar[1]/2-rw[3];
    }else{
      block->g[0] = block->inptr[0][0]-block->rpar[1]/2-rw[2];
      block->g[1] = block->inptr[0][0]+block->rpar[1]/2-rw[2];
    }
  } 
}
Exemplo n.º 4
0
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void mat_lu(scicos_block *block, int flag)
{
    double *u = NULL;
    double *y1 = NULL;
    double *y2 = NULL;
    int mu = 0;
    int nu = 0;
    int info = 0;
    int i = 0, j = 0, l = 0, ij = 0, ik = 0;
    mat_lu_struct *ptr = NULL;

    mu = GetInPortRows(block, 1);
    nu = GetInPortCols(block, 1);
    u = GetRealInPortPtrs(block, 1);
    y1 = GetRealOutPortPtrs(block, 1);
    y2 = GetRealOutPortPtrs(block, 2);
    l = Min(mu, nu);
    /*init : initialization*/
    if (flag == 4)
    {
        if ((*(block->work) = (mat_lu_struct*) scicos_malloc(sizeof(mat_lu_struct))) == NULL)
        {
            set_block_error(-16);
            return;
        }
        ptr = *(block->work);
        if ((ptr->ipiv = (int*) scicos_malloc(sizeof(int) * nu)) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr);
            return;
        }
        if ((ptr->dwork = (double*) scicos_malloc(sizeof(double) * (mu * nu))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->ipiv);
            scicos_free(ptr);
            return;
        }
        if ((ptr->IL = (double*) scicos_malloc(sizeof(double) * (mu * l))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->dwork);
            scicos_free(ptr->ipiv);
            scicos_free(ptr);
            return;
        }
        if ((ptr->IU = (double*) scicos_malloc(sizeof(double) * (l * nu))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->IL);
            scicos_free(ptr->dwork);
            scicos_free(ptr->ipiv);
            scicos_free(ptr);
            return;
        }
    }

    /* Terminaison */
    else if (flag == 5)
    {
        ptr = *(block->work);
        if ((ptr->IU) != NULL)
        {
            scicos_free(ptr->ipiv);
            scicos_free(ptr->dwork);
            scicos_free(ptr->IL);
            scicos_free(ptr->IU);
            scicos_free(ptr);
            return;
        }
    }

    else
    {
        ptr = *(block->work);
        for (i = 0; i < (mu * nu); i++)
        {
            ptr->dwork[i] = u[i];
        }
        C2F(dgetrf)(&mu, &nu, ptr->dwork, &mu, ptr->ipiv, &info);
        if (info != 0)
        {
            if (flag != 6)
            {
                set_block_error(-7);
                return;
            }
        }
        for (j = 0; j < l; j++)
        {
            for (i = 0; i < mu; i++)
            {
                ij = i + j * mu;
                if (i == j)
                {
                    *(y2 + ij) = 1;
                }
                else if (i > j)
                {
                    *(y2 + ij) = *(ptr->dwork + ij);
                }
                else
                {
                    *(y2 + ij) = 0;
                }
            }
        }
        for (j = 0; j < nu; j++)
        {
            for (i = 0; i < l; i++)
            {
                ij = i + j * l;
                ik = i + j * mu;
                if (i <= j)
                {
                    *(y1 + ij) = *(ptr->dwork + ik);
                }
                else
                {
                    *(y1 + ij) = 0;
                }
            }
        }
    }
}
Exemplo n.º 5
0
/*--------------------------------------------------------------------------*/ 
SCICOS_BLOCKS_IMPEXP void matz_inv(scicos_block *block,int flag)
{
	double *ur = NULL;
	double *yr = NULL;
	double *ui = NULL;
	double *yi = NULL;
	int nu = 0;
	int info = 0;
	int i = 0;
	mat_inv_struct *ptr = NULL;

	nu =GetInPortRows(block,1);
	ur=GetRealInPortPtrs(block,1);
	ui=GetImagInPortPtrs(block,1);
	yr=GetRealOutPortPtrs(block,1);
	yi=GetImagOutPortPtrs(block,1);
	/*init : initialization*/
	if (flag==4)

	{
		if((*(block->work)=(mat_inv_struct*) scicos_malloc(sizeof(mat_inv_struct)))==NULL)
		{
			set_block_error(-16);
			return;
		}
		ptr=*(block->work);
		if((ptr->ipiv=(int*) scicos_malloc(sizeof(int)*nu))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr);
			return;
		}
		if((ptr->wrk=(double*) scicos_malloc(sizeof(double)*(2*nu*nu)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->ipiv);
			scicos_free(ptr);
			return;
		}
		if((ptr->LX=(double*) scicos_malloc(sizeof(double)*(2*nu*nu)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->LX);
			scicos_free(ptr->ipiv);
			scicos_free(ptr);
			return;
		}
	}

	/* Terminaison */
	else if (flag==5)
	{
		ptr=*(block->work);
		if((ptr->LX)!=NULL)
		{
			scicos_free(ptr->ipiv);
			scicos_free(ptr->LX);
			scicos_free(ptr->wrk);
			scicos_free(ptr);
			return;
		}
	}

	else
	{
		ptr=*(block->work);
		for (i=0;i<(nu*nu);i++)
		{
			ptr->LX[2*i]=ur[i];
			ptr->LX[2*i+1]=ui[i];
		}
		C2F(zgetrf)(&nu,&nu,ptr->LX,&nu,ptr->ipiv,&info);
		if (info !=0)
		{
			if (flag!=6)
			{set_block_error(-7);
			return;
			}
		}
		C2F(zgetri)(&nu,ptr->LX,&nu,ptr->ipiv,ptr->wrk,&nu,&info);
		for (i=0;i<(nu*nu);i++)
		{
			yr[i]=ptr->LX[2*i];
			yi[i]=ptr->LX[2*i+1];
		}
	}
}
Exemplo n.º 6
0
/*--------------------------------------------------------------------------*/ 
SCICOS_BLOCKS_IMPEXP void mat_vpv(scicos_block *block,int flag)
{
 double *u = NULL;
 double *y1 = NULL;
 double *y2 = NULL;
 double *y3 = NULL;
 double *y4 = NULL;
 int nu = 0;
 int info = 0;
 int i = 0,j = 0,lwork = 0,lwork1 = 0,ii = 0,ij = 0,ij1 = 0,ji = 0;
 int symmetric = 0;
 mat_vps_struct *ptr = NULL;
 
 nu =GetInPortRows(block,1);
 u=GetRealInPortPtrs(block,1);
 y1=GetRealOutPortPtrs(block,1);
 y2=GetImagOutPortPtrs(block,1);
 y3=GetRealOutPortPtrs(block,2);
 y4=GetImagOutPortPtrs(block,2);
 lwork1=4*nu;
 lwork=3*nu-1;
             /*init : initialization*/
if (flag==4)
   {if((*(block->work)=(mat_vps_struct*) scicos_malloc(sizeof(mat_vps_struct)))==NULL)
	{set_block_error(-16);
	 return;}
    ptr=*(block->work);
    if((ptr->LA=(double*) scicos_malloc(sizeof(double)*(nu*nu)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr);
	 return;}
    if((ptr->L0=(double*) scicos_malloc(sizeof(double)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->LA);
	 scicos_free(ptr);
	 return;}
    if((ptr->LVR=(double*) scicos_malloc(sizeof(double)*(nu*nu)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->L0);
	 scicos_free(ptr->LA);
	 scicos_free(ptr);
	 return;}
    if((ptr->LW=(double*) scicos_malloc(sizeof(double)*(nu*nu)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->LVR);
	 scicos_free(ptr->L0);
	 scicos_free(ptr->LA);
	 scicos_free(ptr);
	 return;}
    if((ptr->LWR=(double*) scicos_malloc(sizeof(double)*(nu*1)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->LW);
	 scicos_free(ptr->LVR);
	 scicos_free(ptr->L0);
	 scicos_free(ptr->LA);
	 scicos_free(ptr);
	 return;}
    if((ptr->LWI=(double*) scicos_malloc(sizeof(double)*(nu*1)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->LWR);
	 scicos_free(ptr->LW);
	 scicos_free(ptr->LVR);
	 scicos_free(ptr->L0);
	 scicos_free(ptr->LA);
	 scicos_free(ptr);
	 return;}
    if((ptr->dwork=(double*) scicos_malloc(sizeof(double)*lwork))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->LWI);
	 scicos_free(ptr->LWR);
	 scicos_free(ptr->LW);
	 scicos_free(ptr->LVR);
	 scicos_free(ptr->L0);
	 scicos_free(ptr->LA);
	 scicos_free(ptr);
	 return;}
    if((ptr->dwork1=(double*) scicos_malloc(sizeof(double)*lwork1))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->dwork);
	 scicos_free(ptr->LWI);
	 scicos_free(ptr->LWR);
	 scicos_free(ptr->LW);
	 scicos_free(ptr->LVR);
	 scicos_free(ptr->L0);
	 scicos_free(ptr->LA);
	 scicos_free(ptr);
	 return;}
   }

       /* Terminaison */
else if (flag==5)
   {ptr=*(block->work);
    if(ptr->dwork1!=NULL){
    	scicos_free(ptr->LA);
    	scicos_free(ptr->L0);
    	scicos_free(ptr->LVR);
    	scicos_free(ptr->LW);
    	scicos_free(ptr->LWI);
    	scicos_free(ptr->LWR);
    	scicos_free(ptr->dwork);
    	scicos_free(ptr->dwork1);
    	scicos_free(ptr);
    	return;}
   }

else
   {
    ptr=*(block->work);
    C2F(dlacpy)("F",&nu,&nu,u,&nu,ptr->LA,&nu);
    symmetric=1;
    for (j=0;j<nu;j++)
	{for (i=j;i<nu;i++)
		{ij=i+j*nu;
		 ji=j+i*nu;
		if (i!=j)
			{if (*(ptr->LA+ij)==*(ptr->LA+ji)) symmetric*= 1;
			 else { symmetric*=0;break;}}}}
    if (symmetric==1)
	{C2F(dsyev)("V","U",&nu,ptr->LA,&nu,ptr->LW,ptr->dwork,&lwork,&info);
	 if (info!=0)
	    	{if (flag!=6)
		{set_block_error(-7);
		return;
		}}
	for (i=0;i<nu;i++)
	{ii=i+i*nu;
	 *(y1+ii)=*(ptr->LW+i);
	}
	C2F(dlacpy)("F",&nu,&nu,ptr->LA,&nu,y3,&nu);
	}
     else
 	{C2F(dgeev)("N","V",&nu,ptr->LA,&nu,ptr->LWR,ptr->LWI,ptr->dwork1,&nu,ptr->LVR,&nu,ptr->dwork1,&lwork1,&info);
        if (info!=0)
	    	{if (flag!=6)
		{set_block_error(-7);
		return;
		}}

	*(ptr->L0)=0;
	C2F(dlaset)("F",&nu,&nu,ptr->L0,ptr->L0,y1,&nu);
	C2F(dlaset)("F",&nu,&nu,ptr->L0,ptr->L0,y2,&nu);
	for (i=0;i<nu;i++)
		{ii=i+i*nu;
		*(y1+ii)=*(ptr->LWR+i);
		*(y2+ii)=*(ptr->LWI+i);
		}
	for (j=0;j<nu;j++)
		{if (*(ptr->LWI+j)==0)
			for (i=0;i<nu;i++)
				{ij=i+(j)*nu;
				 *(y3+ij)=*(ptr->LVR +ij);
				 *(y4+ij)=0;}
		else{
			for (i=0;i<nu;i++)
					{ij=i+(j)*nu;
					 ij1=i+(j+1)*nu;
					 *(y3+ij)=*(ptr->LVR +ij);
					 *(y4+ij)=*(ptr->LVR +ij1);
					 *(y3+ij1)=*(ptr->LVR +ij);
					 *(y4+ij1)=-(*(ptr->LVR +ij1));}
			j++;}
		}
 	}
   }
}
Exemplo n.º 7
0
/*--------------------------------------------------------------------------*/ 
SCICOS_BLOCKS_IMPEXP void matz_bksl(scicos_block *block,int flag)
{
	double *u1r = NULL,*u1i = NULL;
	double *u2r = NULL,*u2i = NULL;
	double *yr = NULL,*yi = NULL;
	int mu = 0,vu = 0,wu = 0;
	int nu1 = 0;
	int nu2 = 0;
	int info = 0;
	int i = 0,j = 0,l = 0,lw = 0,lu = 0,rw = 0,ij = 0,k = 0;
	mat_bksl_struct *ptr = NULL;
	double rcond = 0., ANORM = 0., EPS = 0.;

	vu =GetOutPortRows(block,1);
	wu =GetOutPortCols(block,1);
	mu =GetInPortRows(block,1);
	nu1 =GetInPortCols(block,1);
	nu2 =GetInPortCols(block,2);
	u1r=GetRealInPortPtrs(block,1);
	u1i=GetImagInPortPtrs(block,1);
	u2r=GetRealInPortPtrs(block,2);
	u2i=GetImagInPortPtrs(block,2);
	yr=GetRealOutPortPtrs(block,1);
	yi=GetImagOutPortPtrs(block,1);
	l=Max(mu,nu1);
	lw=Max(2*Min(mu,nu1),nu1+1);
	lu=Max(lw,Min(mu,nu1)+nu2);
	lw=Max(2*nu1,Min(mu,nu1)+lu);
	rw=2*nu1;

	/*init : initialization*/
	if (flag==4)
	{
		if((*(block->work)=(mat_bksl_struct*) scicos_malloc(sizeof(mat_bksl_struct)))==NULL)
		{
			set_block_error(-16);
			return;
		}
		ptr=*(block->work);
		if((ptr->ipiv=(int*) scicos_malloc(sizeof(int)*nu1))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr);
			return;
		}
		if((ptr->rank=(int*) scicos_malloc(sizeof(int)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->ipiv);
			scicos_free(ptr);
			return;
		}
		if((ptr->jpvt=(int*) scicos_malloc(sizeof(int)*nu1))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->rank);
			scicos_free(ptr->ipiv);
			scicos_free(ptr);
			return;
		}
		if((ptr->iwork=(double*) scicos_malloc(sizeof(double)*2*nu1))==NULL)
		{set_block_error(-16);
		scicos_free(ptr->jpvt);
		scicos_free(ptr->rank);
		scicos_free(ptr->ipiv);
		scicos_free(ptr);
		return;
		}
		if((ptr->dwork=(double*) scicos_malloc(sizeof(double)*2*lw))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->iwork);
			scicos_free(ptr->jpvt);
			scicos_free(ptr->rank);
			scicos_free(ptr->ipiv);
			scicos_free(ptr);
			return;
		}
		if((ptr->IN1F=(double*) scicos_malloc(sizeof(double)*(2*mu*nu1)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->dwork);
			scicos_free(ptr->iwork);
			scicos_free(ptr->jpvt);
			scicos_free(ptr->rank);
			scicos_free(ptr->ipiv);
			scicos_free(ptr);
			return;
		}
		if((ptr->IN1=(double*) scicos_malloc(sizeof(double)*(2*mu*nu1)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->IN1F);
			scicos_free(ptr->dwork);
			scicos_free(ptr->iwork);
			scicos_free(ptr->jpvt);
			scicos_free(ptr->rank);
			scicos_free(ptr->ipiv);
			scicos_free(ptr);
			return;
		}
		if((ptr->IN2X=(double*) scicos_malloc(sizeof(double)*(2*l*nu2)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->IN1);
			scicos_free(ptr->IN1F);
			scicos_free(ptr->dwork);
			scicos_free(ptr->iwork);
			scicos_free(ptr->jpvt);
			scicos_free(ptr->rank);
			scicos_free(ptr->ipiv);
			scicos_free(ptr);
			return;
		}
		if((ptr->IN2=(double*) scicos_malloc(sizeof(double)*(2*mu*nu2)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->IN2);
			scicos_free(ptr->IN1);
			scicos_free(ptr->IN1F);
			scicos_free(ptr->dwork);
			scicos_free(ptr->iwork);
			scicos_free(ptr->jpvt);
			scicos_free(ptr->rank);
			scicos_free(ptr->ipiv);
			scicos_free(ptr);
			return;
		}
	}

	/* Terminaison */
	else if (flag==5)
	{
		ptr=*(block->work);
		if((ptr->IN2)!=NULL)
		{
			scicos_free(ptr->ipiv);
			scicos_free(ptr->rank);
			scicos_free(ptr->jpvt);
			scicos_free(ptr->iwork);
			scicos_free(ptr->IN1F);
			scicos_free(ptr->IN1);
			scicos_free(ptr->IN2X);
			scicos_free(ptr->IN2);
			scicos_free(ptr->dwork);
			scicos_free(ptr);
			return;
		}
	}

	else
	{
		ptr=*(block->work);
		for (i=0;i<(mu*nu1);i++)   
		{
			ptr->IN1[2*i]=u1r[i];
			ptr->IN1[2*i+1]=u1i[i];
		}
		for (i=0;i<(mu*nu2);i++)   
		{
			ptr->IN2[2*i]=u2r[i];
			ptr->IN2[2*i+1]=u2i[i];
		}
		EPS=C2F(dlamch)("e",1L);
		ANORM=C2F(zlange)("1",&mu,&nu1,ptr->IN1,&mu,ptr->dwork);
		if (mu==nu1)
		{
			C2F(zlacpy)("F",&mu,&nu1,ptr->IN1,&mu,ptr->IN1F,&mu);
			C2F(zgetrf)(&nu1,&nu1,ptr->IN1F,&nu1,ptr->ipiv,&info);
			rcond=0;
			if (info==0)
			{
				C2F(zgecon)("1",&nu1,ptr->IN1F,&nu1,&ANORM,&rcond,ptr->dwork,ptr->iwork,&info);
				if (rcond>pow(EPS,0.5))
				{
					C2F(zgetrs)("N",&nu1,&nu2,ptr->IN1F,&nu1,ptr->ipiv,ptr->IN2,&nu1,&info);
					for (i=0;i<(mu*nu2);i++)
					{*(yr+i)=*(ptr->IN2+2*i);
					*(yi+i)=*(ptr->IN2+(2*i)+1);}
					return;
				}
			}
		}
		rcond=pow(EPS,0.5);
		for (i=0;i<nu1;i++)    *(ptr->jpvt+i)=0;
		C2F(zlacpy)("F",&mu,&nu2,ptr->IN2,&mu,ptr->IN2X,&l);
		C2F(zgelsy1)(&mu,&nu1,&nu2,ptr->IN1,&mu,ptr->IN2X,&l,ptr->jpvt,&rcond,ptr->rank,ptr->dwork,&lw,ptr->iwork,&info);
		if (info!=0)
		{
			if (flag!=6)
			{
				set_block_error(-7);
				return;
			}
		}
		k=0;
		for(j=0;j<wu;j++)
		{
			for(i=0;i<vu;i++)
			{
				ij=i+j*l;
				*(yr+k)=*(ptr->IN2X+2*ij);
				*(yi+k)=*(ptr->IN2X+(2*ij)+1);
				k++;
			}
		}
	}
}
Exemplo n.º 8
0
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void time_delay(scicos_block *block, int flag)
{
    /*  rpar[0]=delay, rpar[1]=init value, ipar[0]=buffer length */
    double** work = (double**) block->work;
    double *pw = NULL, del = 0., t = 0., td = 0., eps = 0.;
    int* iw = NULL;
    int i = 0, j = 0, k = 0;

    if (flag == 4)
    {
        /* the workspace is used to store previous values */
        if ((*work = (double*) scicos_malloc(sizeof(int) + sizeof(double) *
                                             block->ipar[0] * (1 + block->insz[0]))) == NULL )
        {
            set_block_error(-16);
            return;
        }
        eps = 1.0e-9; /* shift times to left to avoid replacing 0 */
        pw = *work;
        pw[0] = -block->rpar[0] * (block->ipar[0] - 1) - eps;
        for (j = 1; j < block->insz[0] + 1; j++)
        {
            pw[block->ipar[0]*j] = block->rpar[1];
        }

        for (i = 1; i < block->ipar[0]; i++)
        {
            pw[i] = pw[i - 1] + block->rpar[0] - eps;
            for (j = 1; j < block->insz[0] + 1; j++)
            {
                pw[i + block->ipar[0]*j] = block->rpar[1];
            }
        }

        iw = (int *)(pw + block->ipar[0] * (1 + block->insz[0]));
        *iw = 0;
        for (k = 0; k < block->insz[0]; k++)
        {
            block->outptr[0][k] = block->rpar[1];
        }
    }
    else  if (flag == 5)
    {
        scicos_free(*work);

    }
    else if (flag == 0 || flag == 2)
    {
        if (flag == 2)
        {
            do_cold_restart();
        }
        pw = *work;
        iw = (int *)(pw + block->ipar[0] * (1 + block->insz[0]));
        t = get_scicos_time();
        td = t - block->rpar[0];
        if (td < pw[*iw])
        {
            scicos_print(_("delayed time=%f but last stored time=%f \n"), td, pw[*iw]);
            scicos_print(_("Consider increasing the length of buffer in delay block \n"));
        }

        if (t > pw[(block->ipar[0] + *iw - 1) % block->ipar[0]])
        {
            for (j = 1; j < block->insz[0] + 1; j++)
            {
                pw[*iw + block->ipar[0]*j] = block->inptr[0][j - 1];
            }
            pw[*iw] = t;
            /*scicos_print(_("**time is %f. I put %f, in %d \n"), t,block->inptr[0][0],*iw);*/
            *iw = (*iw + 1) % block->ipar[0];

        }
        else
        {
            for (j = 1; j < block->insz[0] + 1; j++)
            {
                pw[(block->ipar[0] + *iw - 1) % block->ipar[0] + block->ipar[0]*j] = block->inptr[0][j - 1];
            }
            pw[(block->ipar[0] + *iw - 1) % block->ipar[0]] = t;
            /*scicos_print("**time is %f. I put %f, in %d \n", t,block->inptr[0][0],*iw);*/

        }

    }
    else if (flag == 1)
    {
        pw = *work;
        iw = (int *) (pw + block->ipar[0] * (1 + block->insz[0]));
        t = get_scicos_time();
        td = t - block->rpar[0];

        i = 0;
        j = block->ipar[0] - 1;

        while (j - i > 1)
        {
            k = (i + j) / 2;
            if (td < pw[(k + *iw) % block->ipar[0]])
            {
                j = k;
            }
            else if (td > pw[(k + *iw) % block->ipar[0]])
            {
                i = k;
            }
            else
            {
                i = k;
                j = k;
                break;
            }
        }
        i = (i + *iw) % block->ipar[0];
        j = (j + *iw) % block->ipar[0];
        del = pw[j] - pw[i];
        /*    scicos_print(_("time is %f. interpolating %d and %d, i.e. %f, %f\n"), t,i,j,pw[i],pw[j]);
        scicos_print(_("values are  %f   %f.\n"),pw[i+block->ipar[0]],pw[j+block->ipar[0]]);*/
        if (del != 0.0)
        {
            for (k = 1; k < block->insz[0] + 1; k++)
            {
                block->outptr[0][k - 1] = ((pw[j] - td) * pw[i + block->ipar[0] * k] +
                                           (td - pw[i]) * pw[j + block->ipar[0] * k]) / del;
            }
        }
        else
        {
            for (k = 1; k < block->insz[0] + 1; k++)
            {
                block->outptr[0][k - 1] = pw[i + block->ipar[0] * k];
            }
        }
    }
}
Exemplo n.º 9
0
/*--------------------------------------------------------------------------*/ 
SCICOS_BLOCKS_IMPEXP void mat_div(scicos_block *block,int flag)
{
 double *u1 = NULL;
 double *u2 = NULL;
 double *y = NULL;
 int mu1 = 0,mu2 = 0;
 int nu = 0,nu2 = 0;
 int info = 0;
 int i = 0,j = 0,l = 0,lw = 0,lu = 0,ij = 0,ji = 0;
 mat_div_struct *ptr = NULL;
 double rcond = 0., ANORM = 0., EPS = 0.;

 mu2 =GetInPortRows(block,1);
 nu =GetInPortCols(block,1);
 mu1 =GetInPortRows(block,2);
 nu2 =GetInPortCols(block,2);
 u2=GetRealInPortPtrs(block,1);
 u1=GetRealInPortPtrs(block,2);
 y=GetRealOutPortPtrs(block,1);
 l=Max(mu1,nu);
 lu=Max(4*nu,Min(mu1,nu)+3*mu1+1);
 lw=Max(lu,2*Min(mu1,nu)+mu2);
             /*init : initialization*/
if (flag==4)
   {if((*(block->work)=(mat_div_struct*) scicos_malloc(sizeof(mat_div_struct)))==NULL)
	{set_block_error(-16);
	 return;}
    ptr=*(block->work);
    if((ptr->ipiv=(int*) scicos_malloc(sizeof(int)*nu))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr);
	 return;}
    if((ptr->rank=(int*) scicos_malloc(sizeof(int)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->jpvt=(int*) scicos_malloc(sizeof(int)*mu1))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->iwork=(int*) scicos_malloc(sizeof(int)*nu))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->dwork=(double*) scicos_malloc(sizeof(double)*lw))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->iwork);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->LAF=(double*) scicos_malloc(sizeof(double)*(nu*mu1)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->dwork);
	 scicos_free(ptr->iwork);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->LBT=(double*) scicos_malloc(sizeof(double)*(l*mu2)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->LAF);
	 scicos_free(ptr->dwork);
	 scicos_free(ptr->iwork);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->LAT=(double*) scicos_malloc(sizeof(double)*(nu*mu1)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->LBT);
	 scicos_free(ptr->LAF);
	 scicos_free(ptr->dwork);
	 scicos_free(ptr->iwork);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
   }

       /* Terminaison */
else if (flag==5)
   {ptr=*(block->work);
    if((ptr->LAT)!=NULL) {
   	scicos_free(ptr->ipiv);
   	scicos_free(ptr->rank);
   	scicos_free(ptr->jpvt);
   	scicos_free(ptr->iwork);
   	scicos_free(ptr->LAF);
   	scicos_free(ptr->LBT);
   	scicos_free(ptr->LAT);
   	scicos_free(ptr->dwork);
   	scicos_free(ptr);
   	return;}
   }

else
   {
    ptr=*(block->work);
    EPS=C2F(dlamch)("e",1L);
    ANORM=C2F(dlange)("l",&mu1,&nu,u1,&mu1,ptr->dwork);
    for (j=0;j<mu1;j++)
	{for (i=0;i<nu;i++)
		{ij=i+j*nu;
	 	 ji=j+i*mu1;
		 *(ptr->LAT+ij)=*(u1+ji);}
	}
     for (j=0;j<mu2;j++)
	{for (i=0;i<nu;i++)
		{ij=i+j*l;
	 	 ji=j+i*mu2;
		 *(ptr->LBT+ij)=*(u2+ji);}
	}
     if (mu1==nu)
	{C2F(dlacpy)("F",&nu,&nu,ptr->LAT,&nu,ptr->LAF,&nu);
	 C2F(dgetrf)(&nu,&nu,ptr->LAF,&nu,ptr->ipiv,&info);
	 rcond=0;
 	 if (info==0)
	    {C2F(dgecon)("1",&nu,ptr->LAF,&nu,&ANORM,&rcond,ptr->dwork,ptr->iwork,&info);
	     if (rcond>pow(EPS,0.5))
		{C2F(dgetrs)("N",&nu,&mu2,ptr->LAF,&nu,ptr->ipiv,ptr->LBT,&nu,&info);
		for (j=0;j<nu;j++)
		{for (i=0;i<mu2;i++)
			{ij=i+j*mu2;
			ji=j+i*nu;
			*(y+ij)=*(ptr->LBT+ji);}
		}
		 return;
		}
	    }
	}
    rcond=pow(EPS,0.5);
    for (i=0;i<mu1;i++)    *(ptr->jpvt+i)=0;
    C2F(dgelsy1)(&nu,&mu1,&mu2,ptr->LAT,&nu,ptr->LBT,&l,ptr->jpvt,&rcond,ptr->rank,ptr->dwork,&lw,&info);
    if (info!=0)
	{if (flag!=6)
	    {set_block_error(-7);
             return;
	    }
	}
    for (j=0;j<mu1;j++)
	{for (i=0;i<mu2;i++)
		{ij=i+j*mu2;
		ji=j+i*l;
		*(y+ij)=*(ptr->LBT+ji);}
	}
    }
}
Exemplo n.º 10
0
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void mat_inv(scicos_block * block, int flag)
{
    double *u = NULL;
    double *y = NULL;
    int nu = 0;
    int info = 0;
    int i = 0;
    mat_inv_struct** work = (mat_inv_struct**) block->work;
    mat_inv_struct *ptr = NULL;

    nu = GetInPortRows(block, 1);
    u = GetRealInPortPtrs(block, 1);
    y = GetRealOutPortPtrs(block, 1);

    /*init : initialization */
    if (flag == 4)
    {
        if ((*work = (mat_inv_struct *) scicos_malloc(sizeof(mat_inv_struct))) == NULL)
        {
            set_block_error(-16);
            return;
        }
        ptr = *work;
        if ((ptr->ipiv = (int *)scicos_malloc(sizeof(int) * nu)) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr);
            return;
        }
        if ((ptr->dwork = (double *)scicos_malloc(sizeof(double) * nu)) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->ipiv);
            scicos_free(ptr);
            return;
        }
    }

    /* Terminaison */
    else if (flag == 5)
    {
        ptr = *work;
        if ((ptr->dwork) != NULL)
        {
            scicos_free(ptr->ipiv);
            scicos_free(ptr->dwork);
            scicos_free(ptr);
            return;
        }
    }

    else
    {
        ptr = *work;
        for (i = 0; i < (nu * nu); i++)
        {
            y[i] = u[i];
        }
        C2F(dgetrf) (&nu, &nu, &y[0], &nu, ptr->ipiv, &info);
        if (info != 0)
        {
            if (flag != 6)
            {
                Coserror(_("The LU factorization has been completed, but the factor U is exactly singular : U(%d,%d) is exactly zero."), info, info);
                return;
            }
        }
        C2F(dgetri) (&nu, y, &nu, ptr->ipiv, ptr->dwork, &nu, &info);

    }
}
Exemplo n.º 11
0
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void ricc_m(scicos_block *block, int flag)
{
    double *u1 = NULL;
    double *u2 = NULL;
    double *u3 = NULL;
    double *y = NULL;
    int *ipar = NULL;
    int nu = 0;
    int info = 0, i = 0;
    int lw = 0;
    ricc_struct *ptr = NULL;

    nu = GetInPortCols(block, 1);
    u1 = GetRealInPortPtrs(block, 1);
    u2 = GetRealInPortPtrs(block, 2);
    u3 = GetRealInPortPtrs(block, 3);
    y = GetRealOutPortPtrs(block, 1);
    ipar = GetIparPtrs(block);

    if (ipar[0] == 1)
    {
        if (ipar[1] == 1)
        {
            lw = 9 * nu * nu + 4 * nu + Max(1, 6 * nu);
        }
        else
        {
            lw = 9 * nu * nu + 7 * nu + 1;
        }
    }
    else
    {
        if (ipar[1] == 1)
        {
            lw = 12 * nu * nu + 22 * nu + Max(21, 4 * nu);
        }
        else
        {
            lw = 28 * nu * nu + 2 * nu + Max(1, 2 * nu);
        }
    }

    /*init : initialization*/
    if (flag == 4)
    {
        if ((*(block->work) = (ricc_struct*) scicos_malloc(sizeof(ricc_struct))) == NULL)
        {
            set_block_error(-16);
            return;
        }
        ptr = *(block->work);
        if ((ptr->bwork = (int*) scicos_malloc(sizeof(int) * 2 * nu)) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr);
            return;
        }
        if ((ptr->iwork = (int*) scicos_malloc(sizeof(int) * Max(2 * nu, nu * nu))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->bwork);
            scicos_free(ptr);
            return;
        }
        if ((ptr->dwork = (double*) scicos_malloc(sizeof(double) * lw)) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->iwork);
            scicos_free(ptr->bwork);
            scicos_free(ptr);
            return;
        }
        if ((ptr->LWR = (double*) scicos_malloc(sizeof(double) * nu)) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->dwork);
            scicos_free(ptr->iwork);
            scicos_free(ptr->bwork);
            scicos_free(ptr);
            return;
        }
        if ((ptr->LWI = (double*) scicos_malloc(sizeof(double) * nu)) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->LWR);
            scicos_free(ptr->dwork);
            scicos_free(ptr->iwork);
            scicos_free(ptr->bwork);
            scicos_free(ptr);
            return;
        }
        if ((ptr->Rcond = (double*) scicos_malloc(sizeof(double))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->LWI);
            scicos_free(ptr->LWR);
            scicos_free(ptr->dwork);
            scicos_free(ptr->iwork);
            scicos_free(ptr->bwork);
            scicos_free(ptr);
            return;
        }
        if ((ptr->Ferr = (double*) scicos_malloc(sizeof(double))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->Rcond);
            scicos_free(ptr->LWI);
            scicos_free(ptr->LWR);
            scicos_free(ptr->dwork);
            scicos_free(ptr->iwork);
            scicos_free(ptr->bwork);
            scicos_free(ptr);
            return;
        }
        if ((ptr->LX = (double*) scicos_malloc(sizeof(double) * nu * nu)) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->Ferr);
            scicos_free(ptr->Rcond);
            scicos_free(ptr->LWI);
            scicos_free(ptr->LWR);
            scicos_free(ptr->dwork);
            scicos_free(ptr->iwork);
            scicos_free(ptr->bwork);
            scicos_free(ptr);
            return;
        }
    }

    /* Terminaison */
    else if (flag == 5)
    {
        ptr = *(block->work);
        if ((ptr->LX) != NULL)
        {
            scicos_free(ptr->bwork);
            scicos_free(ptr->Ferr);
            scicos_free(ptr->Rcond);
            scicos_free(ptr->iwork);
            scicos_free(ptr->LWR);
            scicos_free(ptr->LWI);
            scicos_free(ptr->LX);
            scicos_free(ptr->dwork);
            scicos_free(ptr);
            return;
        }
    }

    else
    {
        ptr = *(block->work);
        if (ipar[0] == 1)
        {
            if (ipar[1] == 1)
            {
                C2F(riccsl)("N", &nu, u1, &nu, "U", u3, &nu, u2, &nu, ptr->LX, &nu, ptr->LWR, ptr->LWI, ptr->Rcond, ptr->Ferr, ptr->dwork, &lw, ptr->iwork, ptr->bwork, &info);
            }
            else
            {
                C2F(riccms)("N", &nu, u1, &nu, "U", u3, &nu, u2, &nu, ptr->LX, &nu, ptr->LWR, ptr->LWI, ptr->Rcond, ptr->Ferr, ptr->dwork, &lw, ptr->iwork, &info);
            }
        }
        else
        {
            if (ipar[1] == 1)
            {
                C2F(ricdsl)("N", &nu, u1, &nu, "U", u3, &nu, u2, &nu, ptr->LX, &nu, ptr->LWR, ptr->LWI, ptr->Rcond, ptr->Ferr, ptr->dwork, &lw, ptr->iwork, ptr->bwork, &info);
            }
            else
            {
                C2F(ricdmf)("N", &nu, u1, &nu, "U", u3, &nu, u2, &nu, ptr->LX, &nu, ptr->LWR, ptr->LWI, ptr->Rcond, ptr->Ferr, ptr->dwork, &lw, ptr->iwork, &info);
            }
        }
        if (info != 0)
        {
            if (flag != 6)
            {
                set_block_error(-7);
                return;
            }
        }
        for (i = 0; i < nu * nu; i++)
        {
            *(y + i) = *(ptr->LX + i);
        }
    }
}
Exemplo n.º 12
0
/*--------------------------------------------------------------------------*/ 
SCICOS_BLOCKS_IMPEXP void matz_vpv(scicos_block *block,int flag)
{
	double *ur = NULL,*ui = NULL;
	double *y1r = NULL,*y1i = NULL,*y2r = NULL,*y2i = NULL;
	int nu = 0;
	int info = 0;
	int i = 0,lwork = 0,lwork1 = 0,j = 0,ii = 0,ij = 0,ji = 0,rw = 0;
	int hermitien = 0;
	double l0 = 0.;
	mat_vpv_struct *ptr = NULL;

	nu =GetInPortRows(block,1);
	ur=GetRealInPortPtrs(block,1);
	ui=GetImagInPortPtrs(block,1);
	y1r=GetRealOutPortPtrs(block,1);
	y1i=GetImagOutPortPtrs(block,1);
	y2r=GetRealOutPortPtrs(block,2);
	y2i=GetImagOutPortPtrs(block,2);
	lwork1=2*nu;
	lwork=2*nu-1;
	rw=3*nu-2;

	/*init : initialization*/
	if (flag==4)
	{
		if((*(block->work)=(mat_vpv_struct*) scicos_malloc(sizeof(mat_vpv_struct)))==NULL)
		{
			set_block_error(-16);
			return;
		}
		ptr=*(block->work);
		if((ptr->LA=(double*) scicos_malloc(sizeof(double)*(2*nu*nu)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr);
			return;
		}
		if((ptr->LX=(double*) scicos_malloc(sizeof(double)*(2*nu)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->LA);
			scicos_free(ptr);
			return;
		}
		if((ptr->LVR=(double*) scicos_malloc(sizeof(double)*(2*nu*nu)))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->LX);
			scicos_free(ptr->LA);
			scicos_free(ptr);
			return;
		}
		if((ptr->dwork=(double*) scicos_malloc(sizeof(double)*2*lwork))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->LVR);
			scicos_free(ptr->LX);
			scicos_free(ptr->LA);
			scicos_free(ptr);
			return;
		}
		if((ptr->rwork=(double*) scicos_malloc(sizeof(double)*2*rw))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->dwork);
			scicos_free(ptr->LVR);
			scicos_free(ptr->LX);
			scicos_free(ptr->LA);
			scicos_free(ptr);
			return;
		}
		if((ptr->dwork1=(double*) scicos_malloc(sizeof(double)*2*lwork1))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->rwork);
			scicos_free(ptr->dwork);
			scicos_free(ptr->LVR);
			scicos_free(ptr->LX);
			scicos_free(ptr->LA);
			scicos_free(ptr);
			return;
		}
		if((ptr->rwork1=(double*) scicos_malloc(sizeof(double)*2*lwork1))==NULL)
		{
			set_block_error(-16);
			scicos_free(ptr->dwork1);
			scicos_free(ptr->rwork);
			scicos_free(ptr->dwork);
			scicos_free(ptr->LVR);
			scicos_free(ptr->LX);
			scicos_free(ptr->LA);
			scicos_free(ptr);
			return;
		}
	}

	/* Terminaison */
	else if (flag==5)
	{
		ptr=*(block->work);
		if((ptr->rwork1)!=NULL)
		{
			scicos_free(ptr->LA);
			scicos_free(ptr->LX);
			scicos_free(ptr->LVR);
			scicos_free(ptr->rwork);
			scicos_free(ptr->rwork1);
			scicos_free(ptr->dwork);
			scicos_free(ptr->dwork1);
			scicos_free(ptr);
			return;
		}
	}

	else
	{
		ptr=*(block->work);
		for (i=0;i<(nu*nu);i++)
		{
			ptr->LA[2*i]=ur[i];
			ptr->LA[2*i+1]=ui[i];
		}
		hermitien=1;
		for (j=0;j<nu;j++)
		{
			for (i=j;i<nu;i++)
			{
				ij=i+j*nu;
				ji=j+i*nu;
				if (i!=j)
				{
					if ((*(ptr->LA+2*ij)==*(ptr->LA+2*ji))&&(*(ptr->LA+2*ij+1)==-(*(ptr->LA+2*ji+1)))) hermitien*= 1;
					else { hermitien*=0;break;
					}
				}
			}
		}
		if (hermitien==1)
		{
			C2F(zheev)("V","U",&nu,ptr->LA,&nu,ptr->LX,ptr->dwork,&lwork,ptr->rwork,&info);
			if (info!=0)
			{
				if (flag!=6)
				{
					set_block_error(-7);
					return;
				}
			}
			for (i=0;i<nu;i++)
			{
				ii=i+i*nu;
				*(y1r+ii)=*(ptr->LX+i);
			}
			for(i=0;i<nu*nu;i++)
			{
				*(y2r+i)=*(ptr->LA+2*i);
				*(y2i+i)=*(ptr->LA+2*i+1);
			}
		}

		else
		{
			C2F(zgeev)("N","V",&nu,ptr->LA,&nu,ptr->LX,ptr->dwork1,&nu,ptr->LVR,&nu,ptr->dwork1,&lwork1,ptr->rwork1,&info);
			if (info!=0)
			{
				if (flag!=6)
				{
					set_block_error(-7);
					return;
				}
			}
			l0=0;
			C2F(dlaset)("F",&nu,&nu,&l0,&l0,y1r,&nu);
			C2F(dlaset)("F",&nu,&nu,&l0,&l0,y1i,&nu);
			C2F(dlaset)("F",&nu,&nu,&l0,&l0,y2r,&nu);
			C2F(dlaset)("F",&nu,&nu,&l0,&l0,y2i,&nu);
			for (i=0;i<nu;i++)
			{
				ii=i+i*nu;
				*(y1r+ii)=*(ptr->LX+2*i);
				*(y1i+ii)=*(ptr->LX+2*i+1);
			}
			for(i=0;i<nu*nu;i++)
		 {
			 *(y2r+i)=*(ptr->LVR+2*i);
			 *(y2i+i)=*(ptr->LVR+2*i+1);
			}
		}
	}
}
Exemplo n.º 13
0
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void mat_expm(scicos_block *block, int flag)
{
    double *u = NULL;
    double *y = NULL;
    int nu = 0;
    int ierr = 0;
    mat_exp_struct** work = (mat_exp_struct**) block->work;
    mat_exp_struct *ptr = NULL;

    nu = GetInPortCols(block, 1);
    u = GetRealInPortPtrs(block, 1);
    y = GetRealOutPortPtrs(block, 1);

    /*init : initialization*/
    if (flag == 4)
    {
        if ((*work = (mat_exp_struct*) scicos_malloc(sizeof(mat_exp_struct))) == NULL)
        {
            set_block_error(-16);
            return;
        }
        ptr = *work;
        if ((ptr->iwork = (int*) scicos_malloc(sizeof(int) * (2 * nu))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr);
            return;
        }
        if ((ptr->dwork = (double*) scicos_malloc(sizeof(double) * (nu * (2 * nu + 2 * nu + 5)))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->iwork);
            scicos_free(ptr);
            return;
        }
    }

    /* Terminaison */
    else if (flag == 5)
    {
        ptr = *work;
        if (ptr->dwork != NULL)
        {
            scicos_free(ptr->iwork);
            scicos_free(ptr->dwork);
            scicos_free(ptr);
            return;
        }
    }

    else
    {
        ptr = *work;
        C2F(dexpm1)(&nu, &nu, u, y, &nu, ptr->dwork, ptr->iwork, &ierr);
        if (ierr != 0)
        {
            if (flag != 6)
            {
                set_block_error(-7);
                return;
            }
        }
    }
}
Exemplo n.º 14
0
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void variable_delay(scicos_block *block, int flag)
{
    /*  rpar[0]=max delay, rpar[1]=init value, ipar[0]=buffer length */
    double** work = (double**) block->work;
    double* pw = NULL, del = 0., t = 0., td = 0.;
    int* iw = NULL;
    int i = 0, j = 0, k = 0;
    if (flag == 4) /* the workspace is used to store previous values */
    {
        if ((*work = (double*)
                     scicos_malloc(sizeof(int) + sizeof(double) *
                                   block->ipar[0] * (1 + block->insz[0]))) == NULL )
        {
            set_block_error(-16);
            return;
        }
        pw = *work;
        pw[0] = -block->rpar[0] * block->ipar[0];
        for (i = 1; i < block->ipar[0]; i++)
        {
            pw[i] = pw[i - 1] + block->rpar[0];
            for (j = 1; j < block->insz[0] + 1; j++)
            {
                pw[i + block->ipar[0]*j] = block->rpar[1];
            }
        }
        iw = (int *) (pw + block->ipar[0] * (1 + block->insz[0]));
        *iw = 0;
    }
    else  if (flag == 5)
    {
        scicos_free(*work);
    }
    else if (flag == 1)
    {
        if (get_phase_simulation() == 1)
        {
            do_cold_restart();
        }
        pw = *work;
        iw = (int *) (pw + block->ipar[0] * (1 + block->insz[0]));
        t = get_scicos_time();
        del = Min(Max(0, block->inptr[1][0]), block->rpar[0]);
        td = t - del;
        if (td < pw[*iw])
        {
            scicos_print(_("delayed time=%f but last stored time=%f\n"), td, pw[*iw]);
            scicos_print(_("Consider increasing the length of buffer in variable delay block\n"));
        }
        if (t > pw[(block->ipar[0] + *iw - 1) % block->ipar[0]])
        {
            for (j = 1; j < block->insz[0] + 1; j++)
            {
                pw[*iw + block->ipar[0]*j] = block->inptr[0][j - 1];
            }
            pw[*iw] = t;
            *iw = (*iw + 1) % block->ipar[0];
        }
        else
        {
            for (j = 1; j < block->insz[0] + 1; j++)
            {
                pw[(block->ipar[0] + *iw - 1) % block->ipar[0] + block->ipar[0]*j] = block->inptr[0][j - 1];
            }
            pw[(block->ipar[0] + *iw - 1) % block->ipar[0]] = t;
        }

        i = 0;
        j = block->ipar[0] - 1;

        while (j - i > 1)
        {
            k = (i + j) / 2;
            if (td < pw[(k + *iw) % block->ipar[0]])
            {
                j = k;
            }
            else if (td > pw[(k + *iw) % block->ipar[0]])
            {
                i = k;
            }
            else
            {
                i = k;
                j = k;
                break;
            }
        }
        i = (i + *iw) % block->ipar[0];
        j = (j + *iw) % block->ipar[0];
        del = pw[j] - pw[i];
        if (del != 0.0)
        {
            for (k = 1; k < block->insz[0] + 1; k++)
            {
                block->outptr[0][k - 1] = ((pw[j] - td) * pw[i + block->ipar[0] * k] +
                                           (td - pw[i]) * pw[j + block->ipar[0] * k]) / del;
            }
        }
        else
        {
            for (k = 1; k < block->insz[0] + 1; k++)
            {
                block->outptr[0][k - 1] = pw[i + block->ipar[0] * k];
            }
        }
    }
}
Exemplo n.º 15
0
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void mat_svd(scicos_block *block, int flag)
{
    double *u = NULL;
    double *y1 = NULL, *y2 = NULL, *y3 = NULL;
    int nu = 0, mu = 0;
    int info = 0;
    int i = 0, j = 0, ij = 0, ji = 0, ii = 0, lwork = 0;
    mat_sdv_struct** work = (mat_sdv_struct**) block->work;
    mat_sdv_struct *ptr = NULL;

    mu = GetInPortRows(block, 1);
    nu = GetInPortCols(block, 1);
    u = GetRealInPortPtrs(block, 1);
    y1 = GetRealOutPortPtrs(block, 1);
    y2 = GetRealOutPortPtrs(block, 2);
    y3 = GetRealOutPortPtrs(block, 3);
    /* for lapack 3.1 (2006)*/
    lwork = Max(3 * Min(mu, nu) + Max(mu, nu), 5 * Min(mu, nu));
    lwork = Max(1, lwork);
    /*init : initialization*/
    if (flag == 4)
    {
        if ((*work = (mat_sdv_struct*) scicos_malloc(sizeof(mat_sdv_struct))) == NULL)
        {
            set_block_error(-16);
            return;
        }
        ptr = *work;
        if ((ptr->l0 = (double*) scicos_malloc(sizeof(double))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr);
            return;
        }
        if ((ptr->LA = (double*) scicos_malloc(sizeof(double) * (mu * nu))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->l0);
            scicos_free(ptr);
            return;
        }
        if ((ptr->LSV = (double*) scicos_malloc(sizeof(double) * (Min(mu, nu)))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->LA);
            scicos_free(ptr->l0);
            scicos_free(ptr);
            return;
        }
        if ((ptr->LVT = (double*) scicos_malloc(sizeof(double) * (nu * nu))) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->LSV);
            scicos_free(ptr->LA);
            scicos_free(ptr->l0);
            scicos_free(ptr);
            return;
        }
        if ((ptr->dwork = (double*) scicos_malloc(sizeof(double) * lwork)) == NULL)
        {
            set_block_error(-16);
            scicos_free(ptr->LVT);
            scicos_free(ptr->LSV);
            scicos_free(ptr->LA);
            scicos_free(ptr->l0);
            scicos_free(ptr);
            return;
        }
    }

    /* Terminaison */
    else if (flag == 5)
    {
        ptr = *work;
        if ((ptr->dwork) != NULL)
        {
            scicos_free(ptr->l0);
            scicos_free(ptr->LA);
            scicos_free(ptr->LSV);
            scicos_free(ptr->LVT);
            scicos_free(ptr->dwork);
            scicos_free(ptr);
            return;
        }
    }

    else
    {
        ptr = *work;
        C2F(dlacpy)("F", &mu, &nu, u, &mu, ptr->LA, &mu);
        C2F(dgesvd)("A", "A", &mu, &nu, ptr->LA, &mu, ptr->LSV, y1, &mu, ptr->LVT, &nu, ptr->dwork, &lwork, &info);
        if (info != 0)
        {
            if (flag != 6)
            {
                set_block_error(-7);
                return;
            }
        }

        *(ptr->l0) = 0;
        C2F(dlaset)("F", &mu, &nu, ptr->l0, ptr->l0, y2, &mu);
        for (i = 0; i < Min(mu, nu); i++)
        {
            ii = i + i * mu;
            *(y2 + ii) = *(ptr->LSV + i);
        }
        for (j = 0; j < nu; j++)
        {
            for (i = j; i < nu; i++)
            {
                ij = i + j * nu;
                ji = j + i * nu;
                *(y3 + ij) = *(ptr->LVT + ji);
                *(y3 + ji) = *(ptr->LVT + ij);
            }
        }
    }
}
Exemplo n.º 16
0
/*--------------------------------------------------------------------------*/
SCICOS_BLOCKS_IMPEXP void lookup_c(scicos_block *block, int flag)
{
    double a = 0., b = 0., c = 0., y1 = 0., y2 = 0., t1 = 0., t2 = 0.;
    int *ind  = NULL, inow = 0, i = 0, ip1 = 0;
    double *y = NULL, *u = NULL, u0 = 0.;
    double  d1 = 0., d2 = 0., h = 0., dh = 0., ddh = 0., dddh = 0.;

    switch (flag)
    {
            /* init */
        case 4  :  /* the workspace is used to store discrete counter value */
        {
            if ((*block->work = scicos_malloc(1 * sizeof(int))) == NULL)
            {
                set_block_error(-16);
                return;
            }
            ind = *block->work;
            ind[0] = 0;

            return;
        }
        /* event date computation */
        case 1  :
        {
            y = GetRealOutPortPtrs(block, 1);
            u = GetRealInPortPtrs(block, 1);
            u0 = u[0];
            ind = *block->work;
            i = ind[0];
            ip1 = i + 1;

            if ((Extrapo == 0) || ((Extrapo == 1) && ((Order == 0) || (Order == 8) || (Order == 9))))
            {
                if (u0 < RPAR[0])
                {
                    y[0] = RPAR[nPoints];
                    break;
                }
                if (u0 >= RPAR[nPoints - 1])
                {
                    y[0] = RPAR[nPoints * 2 - 1];
                    break;
                }
            }

            if (u0 < RPAR[i])
            {
                i = FindIndex(Order, u0, 0, i, RPAR, nPoints);
            }
            else if (u0 >= RPAR[ip1])
            {
                i = FindIndex(Order, u0, ip1, nPoints - 1, RPAR, nPoints);
            }
            ind[0] = i;

            if (Order == 0) /* (METHOD=='zero order-below')*/
            {
                y[0] = RPAR[nPoints + i];
                break;
            }

            if (Order == 8) /* (METHOD=='zero order-above')*/
            {
                y[0] = RPAR[nPoints + i + 1];
                break;
            }

            if (Order == 9) /* (METHOD=='zero order-nearest')*/
            {
                if (u0 < (RPAR[i] + RPAR[i + 1]) / 2 )
                {
                    y[0] = RPAR[nPoints + i];
                }
                else
                {
                    y[0] = RPAR[nPoints + i + 1];
                }
                break;
            }

            if (Order == 1)
            {
                t1 = RPAR[i];
                t2 = RPAR[i + 1];
                y1 = RPAR[nPoints + i];
                y2 = RPAR[nPoints + i + 1];
                y[0] = (y2 - y1) * (u0 - t1) / (t2 - t1) + y1;
                break;
            }

            if ((Order == 2) && (nPoints > 2))
            {
                t1 = RPAR[i];
                a = RPAR[2 * nPoints + i];
                b = RPAR[2 * nPoints + i + nPoints - 1];
                c = RPAR[2 * nPoints + i + 2 * nPoints - 2];
                y[0] = a * (u0 - t1) * (u0 - t1) + b * (u0 - t1) + c;
                break;
            }

            if ((Order >= 3) && (Order <= 7))
            {
                t1 = RPAR[i];
                t2 = RPAR[i + 1];
                y1 = RPAR[nPoints + i];
                y2 = RPAR[nPoints + i + 1];
                d1 = RPAR[2 * nPoints + i];
                d2 = RPAR[2 * nPoints + i + 1];
                /*-- this function is defined in curve_c.c ---*/
                scicos_evalhermite(&u0, &t1, &t2, &y1, &y2, &d1, &d2, &h, &dh, &ddh, &dddh, &inow);
                y[0] = h;
                break;
            }
        }
        /* event date computation */
        case 3  :
        {
            /*	ind=*block->work;
            i=ind[0];

            if ((Order==1)||(Order==0)){
              i=ind[2];
              if (i==nPoints-1){
                if (Periodic==1) {
                  i=0;
                  ind[0]=-1;
                  ind[1]=0;
                }
              }
              if (i<nPoints-1) {
                block->evout[0]=RPAR[i+1]-RPAR[i];

                ind[2]=i+1;
              }
              if (ind[2]==1)  ind[3]++;
            }

            if (Order>=2){
              if ( Periodic) {
                block->evout[0]=T;
              }else{
                if (ind[3]==0) {
                  block->evout[0]=T;
                }
              }
              ind[3]++;
              ind[0]=-1;
              ind[1]=0;

            }*/
            break;
        }

        /* finish */
        case 5  :
        {
            scicos_free(*block->work); /*free the workspace*/
            break;
        }

        default :
            break;
    }
}
Exemplo n.º 17
0
/*--------------------------------------------------------------------------*/ 
SCICOS_BLOCKS_IMPEXP void mat_bksl(scicos_block *block,int flag)
{
 double *u1 = NULL;
 double *u2 = NULL;
 double *y = NULL;
 int mu = 0;
 int nu1 = 0;
 int nu2 = 0;
 int info = 0;
 int i = 0,l = 0,lw = 0,lu = 0;
 mat_bksl_struct *ptr = NULL;
 double rcond = 0., ANORM = 0., EPS = 0.;

 mu =GetInPortRows(block,1);
 nu1 =GetInPortCols(block,1);
 nu2 =GetInPortCols(block,2);
 u1=GetRealInPortPtrs(block,1);
 u2=GetRealInPortPtrs(block,2);
 y=GetRealOutPortPtrs(block,1);
 l=Max(mu,nu1);
 lu=Max(4*nu1,Min(mu,nu1)+3*nu1+1);
 lw=Max(lu,2*Min(mu,nu1)+nu2);
             /*init : initialization*/
if (flag==4)
   {if((*(block->work)=(mat_bksl_struct*) scicos_malloc(sizeof(mat_bksl_struct)))==NULL)
	{set_block_error(-16);
	 return;}
    ptr=*(block->work);
    if((ptr->ipiv=(int*) scicos_malloc(sizeof(int)*nu1))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr);
	 return;}
    if((ptr->rank=(int*) scicos_malloc(sizeof(int)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->jpvt=(int*) scicos_malloc(sizeof(int)*nu1))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->iwork=(int*) scicos_malloc(sizeof(int)*nu1))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->dwork=(double*) scicos_malloc(sizeof(double)*lw))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->iwork);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->LAF=(double*) scicos_malloc(sizeof(double)*(mu*nu1)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->dwork);
	 scicos_free(ptr->iwork);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->LA=(double*) scicos_malloc(sizeof(double)*(mu*nu1)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->LAF);
	 scicos_free(ptr->dwork);
	 scicos_free(ptr->iwork);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    if((ptr->LXB=(double*) scicos_malloc(sizeof(double)*(l*nu2)))==NULL)
	{set_block_error(-16);
	 scicos_free(ptr->LA);
	 scicos_free(ptr->LAF);
	 scicos_free(ptr->dwork);
	 scicos_free(ptr->iwork);
	 scicos_free(ptr->jpvt);
	 scicos_free(ptr->rank);
	 scicos_free(ptr->ipiv);
	 scicos_free(ptr);
	 return;}
    
   }

       /* Terminaison */
else if (flag==5)
   {ptr=*(block->work);
    if(ptr->LXB!=NULL){
    	scicos_free(ptr->ipiv);
    	scicos_free(ptr->rank);
    	scicos_free(ptr->jpvt);
    	scicos_free(ptr->iwork);
    	scicos_free(ptr->LAF);
    	scicos_free(ptr->LA);
    	scicos_free(ptr->LXB);
    	scicos_free(ptr->dwork);
    	scicos_free(ptr);
    	return;}
   }

else
   {
    ptr=*(block->work);
    EPS=C2F(dlamch)("e",1L);
    ANORM=C2F(dlange)("1",&mu,&nu1,u1,&mu,ptr->dwork);
    C2F(dlacpy)("F",&mu,&nu1,u1,&mu,ptr->LA,&mu);
    if (mu==nu1)
	{C2F(dlacpy)("F",&mu,&nu1,ptr->LA,&mu,ptr->LAF,&mu);
	 C2F(dgetrf)(&nu1,&nu1,ptr->LAF,&nu1,ptr->ipiv,&info);
	 rcond=0;
 	 if (info==0)
	    {C2F(dgecon)("1",&nu1,ptr->LAF,&nu1,&ANORM,&rcond,ptr->dwork,ptr->iwork,&info);
	     if (rcond>pow(EPS,0.5))
		{C2F(dlacpy)("F",&nu1,&nu2,u2,&nu1,ptr->LXB,&nu1);
		 C2F(dgetrs)("N",&nu1,&nu2,ptr->LAF,&nu1,ptr->ipiv,ptr->LXB,&nu1,&info);
		 C2F(dlacpy)("F",&nu1,&nu2,ptr->LXB,&nu1,y,&nu1);
		 return;
		}
	    }
	}
    rcond=pow(EPS,0.5);
    C2F(dlacpy)("F",&mu,&nu2,u2,&mu,ptr->LXB,&l);
    for (i=0;i<nu1;i++)    *(ptr->jpvt+i)=0;
    
    C2F(dgelsy1)(&mu,&nu1,&nu2,ptr->LA,&mu,ptr->LXB,&l,ptr->jpvt,&rcond,ptr->rank,ptr->dwork,&lw,&info);
    if (info!=0)
	{if (flag!=6)
	    {set_block_error(-7);
             return;
	    }
	}
    C2F(dlacpy)("F",&nu1,&nu2,ptr->LXB,&l,y,&nu1);
    }
}
Exemplo n.º 18
0
/*--------------------------------------------------------------------------*/ 
SCICOS_BLOCKS_IMPEXP void ratelimiter(scicos_block *block,int flag)
{
	/*  rpar[0]=rising rate limit, rpar[1]=falling rate limit */
	double* pw = NULL;
	double rate = 0. , t = 0.;

	if (flag == 4)
	{
		/* the workspace is used to store previous values */
		if ((*block->work = scicos_malloc(sizeof(double)*4))== NULL ) 
		{
			set_block_error(-16);
			return;
		}
		pw=*block->work; 
		pw[0]=0.0;
		pw[1]=0.0;
		pw[2]=0.0;
		pw[3]=0.0;
	}
	else  if (flag == 5)
	{
		scicos_free(*block->work);
	} 
	else if (flag==1) 
	{
		if (get_phase_simulation()==1) do_cold_restart();
		pw=*block->work; 
		t=get_scicos_time();
		if(t>pw[2])
		{
			pw[0]=pw[2];
			pw[1]=pw[3];
			rate=(block->inptr[0][0]-pw[1])/(t-pw[0]);
		}
		else if(t<=pw[2])
		{
			if(t>pw[0])
			{
				rate=(block->inptr[0][0]-pw[1])/(t-pw[0]);
			}
			else
			{
				rate=0.0;
			}
		}

		if(rate>block->rpar[0])
		{
			block->outptr[0][0]=(t-pw[0])*block->rpar[0]+pw[1];
		}
		else if(rate<block->rpar[1])
		{
			block->outptr[0][0]=(t-pw[0])*block->rpar[1]+pw[1];
		}
		else
		{
			block->outptr[0][0]=block->inptr[0][0];
		}
		pw[2]=t;
		pw[3]=block->outptr[0][0];
	}
}