diff --git a/src/spicelib/devices/numd2/Makefile.am b/src/spicelib/devices/numd2/Makefile.am
index d4734642b..30f96bf0f 100644
--- a/src/spicelib/devices/numd2/Makefile.am
+++ b/src/spicelib/devices/numd2/Makefile.am
@@ -24,6 +24,17 @@ libnumd2_la_SOURCES =	\
 	nud2trun.c
 
 
+if KLU_WANTED
+libnumd2_la_SOURCES += numd2bindCSC.c
+endif
+
+if SuperLU_WANTED
+libnumd2_la_SOURCES += numd2bindCSC.c
+endif
+
+if UMFPACK_WANTED
+libnumd2_la_SOURCES += numd2bindCSC.c
+endif
 
 AM_CPPFLAGS = @AM_CPPFLAGS@ -I$(top_srcdir)/src/include
 AM_CFLAGS = $(STATIC)
diff --git a/src/spicelib/devices/numd2/numd2bindCSC.c b/src/spicelib/devices/numd2/numd2bindCSC.c
new file mode 100644
index 000000000..88e1aecea
--- /dev/null
+++ b/src/spicelib/devices/numd2/numd2bindCSC.c
@@ -0,0 +1,141 @@
+/**********
+Author: 2013 Francesco Lannutti
+**********/
+
+#include "ngspice/ngspice.h"
+#include "ngspice/cktdefs.h"
+#include "numd2def.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
+NUMD2bindCSC (GENmodel *inModel, CKTcircuit *ckt)
+{
+    NUMD2model *model = (NUMD2model *)inModel ;
+    NUMD2instance *here ;
+    double *i ;
+    BindElement *matched, *BindStruct ;
+    size_t nz ;
+
+    BindStruct = ckt->CKTmatrix->CKTbindStruct ;
+    nz = (size_t)ckt->CKTmatrix->CKTklunz ;
+
+    /* loop through all the NUMD2 models */
+    for ( ; model != NULL ; model = model->NUMD2nextModel)
+    {
+        /* loop through all the instances of the model */
+        for (here = model->NUMD2instances ; here != NULL ; here = here->NUMD2nextInstance)
+        {
+            if ((here-> NUMD2posNode != 0) && (here-> NUMD2posNode != 0))
+            {
+                i = here->NUMD2posPosPtr ;
+                matched = (BindElement *) bsearch (&i, BindStruct, nz, sizeof(BindElement), BindCompare) ;
+                here->NUMD2posPosStructPtr = matched ;
+                here->NUMD2posPosPtr = matched->CSC ;
+            }
+
+            if ((here-> NUMD2negNode != 0) && (here-> NUMD2negNode != 0))
+            {
+                i = here->NUMD2negNegPtr ;
+                matched = (BindElement *) bsearch (&i, BindStruct, nz, sizeof(BindElement), BindCompare) ;
+                here->NUMD2negNegStructPtr = matched ;
+                here->NUMD2negNegPtr = matched->CSC ;
+            }
+
+            if ((here-> NUMD2negNode != 0) && (here-> NUMD2posNode != 0))
+            {
+                i = here->NUMD2negPosPtr ;
+                matched = (BindElement *) bsearch (&i, BindStruct, nz, sizeof(BindElement), BindCompare) ;
+                here->NUMD2negPosStructPtr = matched ;
+                here->NUMD2negPosPtr = matched->CSC ;
+            }
+
+            if ((here-> NUMD2posNode != 0) && (here-> NUMD2negNode != 0))
+            {
+                i = here->NUMD2posNegPtr ;
+                matched = (BindElement *) bsearch (&i, BindStruct, nz, sizeof(BindElement), BindCompare) ;
+                here->NUMD2posNegStructPtr = matched ;
+                here->NUMD2posNegPtr = matched->CSC ;
+            }
+
+        }
+    }
+
+    return (OK) ;
+}
+
+int
+NUMD2bindCSCComplex (GENmodel *inModel, CKTcircuit *ckt)
+{
+    NUMD2model *model = (NUMD2model *)inModel ;
+    NUMD2instance *here ;
+
+    NG_IGNORE (ckt) ;
+
+    /* loop through all the NUMD2 models */
+    for ( ; model != NULL ; model = model->NUMD2nextModel)
+    {
+        /* loop through all the instances of the model */
+        for (here = model->NUMD2instances ; here != NULL ; here = here->NUMD2nextInstance)
+        {
+            if ((here-> NUMD2posNode != 0) && (here-> NUMD2posNode != 0))
+                here->NUMD2posPosPtr = here->NUMD2posPosStructPtr->CSC_Complex ;
+
+            if ((here-> NUMD2negNode != 0) && (here-> NUMD2negNode != 0))
+                here->NUMD2negNegPtr = here->NUMD2negNegStructPtr->CSC_Complex ;
+
+            if ((here-> NUMD2negNode != 0) && (here-> NUMD2posNode != 0))
+                here->NUMD2negPosPtr = here->NUMD2negPosStructPtr->CSC_Complex ;
+
+            if ((here-> NUMD2posNode != 0) && (here-> NUMD2negNode != 0))
+                here->NUMD2posNegPtr = here->NUMD2posNegStructPtr->CSC_Complex ;
+
+        }
+    }
+
+    return (OK) ;
+}
+
+int
+NUMD2bindCSCComplexToReal (GENmodel *inModel, CKTcircuit *ckt)
+{
+    NUMD2model *model = (NUMD2model *)inModel ;
+    NUMD2instance *here ;
+
+    NG_IGNORE (ckt) ;
+
+    /* loop through all the NUMD2 models */
+    for ( ; model != NULL ; model = model->NUMD2nextModel)
+    {
+        /* loop through all the instances of the model */
+        for (here = model->NUMD2instances ; here != NULL ; here = here->NUMD2nextInstance)
+        {
+            if ((here-> NUMD2posNode != 0) && (here-> NUMD2posNode != 0))
+                here->NUMD2posPosPtr = here->NUMD2posPosStructPtr->CSC ;
+
+            if ((here-> NUMD2negNode != 0) && (here-> NUMD2negNode != 0))
+                here->NUMD2negNegPtr = here->NUMD2negNegStructPtr->CSC ;
+
+            if ((here-> NUMD2negNode != 0) && (here-> NUMD2posNode != 0))
+                here->NUMD2negPosPtr = here->NUMD2negPosStructPtr->CSC ;
+
+            if ((here-> NUMD2posNode != 0) && (here-> NUMD2negNode != 0))
+                here->NUMD2posNegPtr = here->NUMD2posNegStructPtr->CSC ;
+
+        }
+    }
+
+    return (OK) ;
+}
diff --git a/src/spicelib/devices/numd2/numd2def.h b/src/spicelib/devices/numd2/numd2def.h
index 75477d585..649615746 100644
--- a/src/spicelib/devices/numd2/numd2def.h
+++ b/src/spicelib/devices/numd2/numd2def.h
@@ -64,6 +64,14 @@ typedef struct sNUMD2instance {
   unsigned NUMD2icFileGiven:1;	/* flag to indicate init. cond. file given */
   unsigned NUMD2tempGiven:1;	/* flag to indicate temp was specified */
   unsigned NUMD2printGiven:1;	/* flag to indicate if print was specified */
+
+#ifdef KLU
+    BindElement *NUMD2posPosStructPtr ;
+    BindElement *NUMD2negNegStructPtr ;
+    BindElement *NUMD2negPosStructPtr ;
+    BindElement *NUMD2posNegStructPtr ;
+#endif
+
 } NUMD2instance;