diff --git a/src/spicelib/devices/numd/Makefile.am b/src/spicelib/devices/numd/Makefile.am
index a9c263e89..1e6c33ec6 100644
--- a/src/spicelib/devices/numd/Makefile.am
+++ b/src/spicelib/devices/numd/Makefile.am
@@ -24,6 +24,18 @@ libnumd_la_SOURCES =	\
 	numdtrun.c
 
 
+if KLU_WANTED
+libnumd_la_SOURCES += numdbindCSC.c
+endif
+
+if SuperLU_WANTED
+libnumd_la_SOURCES += numdbindCSC.c
+endif
+
+if UMFPACK_WANTED
+libnumd_la_SOURCES += numdbindCSC.c
+endif
+
 AM_CPPFLAGS = @AM_CPPFLAGS@ -I$(top_srcdir)/src/include
 AM_CFLAGS = $(STATIC)
 
diff --git a/src/spicelib/devices/numd/numdbindCSC.c b/src/spicelib/devices/numd/numdbindCSC.c
new file mode 100644
index 000000000..dfb0ef8d4
--- /dev/null
+++ b/src/spicelib/devices/numd/numdbindCSC.c
@@ -0,0 +1,141 @@
+/**********
+Author: 2013 Francesco Lannutti
+**********/
+
+#include "ngspice/ngspice.h"
+#include "ngspice/cktdefs.h"
+#include "numddefs.h"
+#include "ngspice/sperror.h"
+
+#include <stdlib.h>
+
+static
+int
+BindCompare (const void *a, const void *b)
+{
+    BindElement *A, *B ;
+    A = (BindElement *)a ;
+    B = (BindElement *)b ;
+
+    return ((int)(A->Sparse - B->Sparse)) ;
+}
+
+int
+NUMDbindCSC (GENmodel *inModel, CKTcircuit *ckt)
+{
+    NUMDmodel *model = (NUMDmodel *)inModel ;
+    NUMDinstance *here ;
+    double *i ;
+    BindElement *matched, *BindStruct ;
+    size_t nz ;
+
+    BindStruct = ckt->CKTmatrix->CKTbindStruct ;
+    nz = (size_t)ckt->CKTmatrix->CKTklunz ;
+
+    /* loop through all the NUMD models */
+    for ( ; model != NULL ; model = model->NUMDnextModel)
+    {
+        /* loop through all the instances of the model */
+        for (here = model->NUMDinstances ; here != NULL ; here = here->NUMDnextInstance)
+        {
+            if ((here-> NUMDposNode != 0) && (here-> NUMDposNode != 0))
+            {
+                i = here->NUMDposPosPtr ;
+                matched = (BindElement *) bsearch (&i, BindStruct, nz, sizeof(BindElement), BindCompare) ;
+                here->NUMDposPosStructPtr = matched ;
+                here->NUMDposPosPtr = matched->CSC ;
+            }
+
+            if ((here-> NUMDnegNode != 0) && (here-> NUMDnegNode != 0))
+            {
+                i = here->NUMDnegNegPtr ;
+                matched = (BindElement *) bsearch (&i, BindStruct, nz, sizeof(BindElement), BindCompare) ;
+                here->NUMDnegNegStructPtr = matched ;
+                here->NUMDnegNegPtr = matched->CSC ;
+            }
+
+            if ((here-> NUMDnegNode != 0) && (here-> NUMDposNode != 0))
+            {
+                i = here->NUMDnegPosPtr ;
+                matched = (BindElement *) bsearch (&i, BindStruct, nz, sizeof(BindElement), BindCompare) ;
+                here->NUMDnegPosStructPtr = matched ;
+                here->NUMDnegPosPtr = matched->CSC ;
+            }
+
+            if ((here-> NUMDposNode != 0) && (here-> NUMDnegNode != 0))
+            {
+                i = here->NUMDposNegPtr ;
+                matched = (BindElement *) bsearch (&i, BindStruct, nz, sizeof(BindElement), BindCompare) ;
+                here->NUMDposNegStructPtr = matched ;
+                here->NUMDposNegPtr = matched->CSC ;
+            }
+
+        }
+    }
+
+    return (OK) ;
+}
+
+int
+NUMDbindCSCComplex (GENmodel *inModel, CKTcircuit *ckt)
+{
+    NUMDmodel *model = (NUMDmodel *)inModel ;
+    NUMDinstance *here ;
+
+    NG_IGNORE (ckt) ;
+
+    /* loop through all the NUMD models */
+    for ( ; model != NULL ; model = model->NUMDnextModel)
+    {
+        /* loop through all the instances of the model */
+        for (here = model->NUMDinstances ; here != NULL ; here = here->NUMDnextInstance)
+        {
+            if ((here-> NUMDposNode != 0) && (here-> NUMDposNode != 0))
+                here->NUMDposPosPtr = here->NUMDposPosStructPtr->CSC_Complex ;
+
+            if ((here-> NUMDnegNode != 0) && (here-> NUMDnegNode != 0))
+                here->NUMDnegNegPtr = here->NUMDnegNegStructPtr->CSC_Complex ;
+
+            if ((here-> NUMDnegNode != 0) && (here-> NUMDposNode != 0))
+                here->NUMDnegPosPtr = here->NUMDnegPosStructPtr->CSC_Complex ;
+
+            if ((here-> NUMDposNode != 0) && (here-> NUMDnegNode != 0))
+                here->NUMDposNegPtr = here->NUMDposNegStructPtr->CSC_Complex ;
+
+        }
+    }
+
+    return (OK) ;
+}
+
+int
+NUMDbindCSCComplexToReal (GENmodel *inModel, CKTcircuit *ckt)
+{
+    NUMDmodel *model = (NUMDmodel *)inModel ;
+    NUMDinstance *here ;
+
+    NG_IGNORE (ckt) ;
+
+    /* loop through all the NUMD models */
+    for ( ; model != NULL ; model = model->NUMDnextModel)
+    {
+        /* loop through all the instances of the model */
+        for (here = model->NUMDinstances ; here != NULL ; here = here->NUMDnextInstance)
+        {
+            if ((here-> NUMDposNode != 0) && (here-> NUMDposNode != 0))
+                here->NUMDposPosPtr = here->NUMDposPosStructPtr->CSC ;
+
+            if ((here-> NUMDnegNode != 0) && (here-> NUMDnegNode != 0))
+                here->NUMDnegNegPtr = here->NUMDnegNegStructPtr->CSC ;
+
+            if ((here-> NUMDnegNode != 0) && (here-> NUMDposNode != 0))
+                here->NUMDnegPosPtr = here->NUMDnegPosStructPtr->CSC ;
+
+            if ((here-> NUMDposNode != 0) && (here-> NUMDnegNode != 0))
+                here->NUMDposNegPtr = here->NUMDposNegStructPtr->CSC ;
+
+        }
+    }
+
+    return (OK) ;
+}
diff --git a/src/spicelib/devices/numd/numddefs.h b/src/spicelib/devices/numd/numddefs.h
index 4b833bdce..196e50bb7 100644
--- a/src/spicelib/devices/numd/numddefs.h
+++ b/src/spicelib/devices/numd/numddefs.h
@@ -62,6 +62,14 @@ typedef struct sNUMDinstance {
   unsigned NUMDicFileGiven:1;	/* flag to indicate init. cond. file given */
   unsigned NUMDtempGiven:1;	/* flag to indicate temp was specified */
   unsigned NUMDprintGiven:1;	/* flag to indicate if print was specified */
+
+#ifdef KLU
+    BindElement *NUMDposPosStructPtr ;
+    BindElement *NUMDnegNegStructPtr ;
+    BindElement *NUMDnegPosStructPtr ;
+    BindElement *NUMDposNegStructPtr ;
+#endif
+
 } NUMDinstance;