diff --git a/cbind/Makefile b/cbind/Makefile
index 88d0120d..85a09130 100644
--- a/cbind/Makefile
+++ b/cbind/Makefile
@@ -5,7 +5,7 @@ LIBDIR=../lib
 INCDIR=../include
 LIBNAME=$(CBINDLIBNAME)
 
-lib: based 
+lib: based precd
 	/bin/cp -p $(CPUPDFLAG) $(HERE)/$(LIBNAME) $(LIBDIR)
 	/bin/cp -p $(CPUPDFLAG) *$(.mod) *.h $(INCDIR)
 
@@ -13,10 +13,13 @@ lib: based
 
 based:
 	cd base && $(MAKE) lib LIBNAME=$(LIBNAME) 
+precd:
+	cd prec && $(MAKE) lib LIBNAME=$(LIBNAME) 
 
 
 clean: 
 	cd base && $(MAKE) clean
+	cd prec && $(MAKE) clean
 
 
 veryclean: clean 
diff --git a/cbind/prec/Makefile b/cbind/prec/Makefile
new file mode 100644
index 00000000..dbd3d67f
--- /dev/null
+++ b/cbind/prec/Makefile
@@ -0,0 +1,32 @@
+TOP=../..
+include $(TOP)/Make.inc
+LIBDIR=$(TOP)/lib
+INCLUDEDIR=$(TOP)/include
+HERE=..
+
+FINCLUDES=$(FMFLAG). $(FMFLAG)$(INCLUDEDIR) 
+CINCLUDES=-I. -I$(INCLUDEDIR)
+
+OBJS=psb_prec_cbind_mod.o psb_dprec_cbind_mod.o psb_c_dprec.o
+CMOD=psb_prec_cbind.h psb_c_dprec.h
+
+
+LIBMOD=psb_prec_cbind_mod$(.mod) 
+LOCAL_MODS=$(LIBMOD)
+LIBNAME=$(CPRECLIBNAME)	
+
+
+lib:  $(OBJS) $(CMOD)
+	$(AR) $(HERE)/$(LIBNAME) $(OBJS)
+	$(RANLIB) $(HERE)/$(LIBNAME)
+	/bin/cp -p $(HERE)/$(LIBNAME) $(LIBDIR)
+	/bin/cp -p $(LIBMOD) $(CMOD) $(INCLUDEDIR)
+
+psb_prec_cbind_mod.o: psb_dprec_cbind_mod.o
+veryclean: clean
+	/bin/rm -f $(HERE)/$(LIBNAME)
+
+clean:
+	/bin/rm -f $(OBJS) $(LOCAL_MODS)
+
+veryclean: clean
diff --git a/cbind/prec/psb_c_dprec.c b/cbind/prec/psb_c_dprec.c
new file mode 100644
index 00000000..f3234337
--- /dev/null
+++ b/cbind/prec/psb_c_dprec.c
@@ -0,0 +1,12 @@
+#include <stdlib.h>
+#include "psb_c_dprec.h"
+
+psb_c_dprec* psb_c_new_dprec()
+{
+  psb_c_dprec* temp;
+  
+  temp=(psb_c_dprec *) malloc(sizeof(psb_c_dprec));
+  temp->dprec=NULL;
+  return(temp);
+}
+
diff --git a/cbind/prec/psb_c_dprec.h b/cbind/prec/psb_c_dprec.h
new file mode 100644
index 00000000..bb8775c1
--- /dev/null
+++ b/cbind/prec/psb_c_dprec.h
@@ -0,0 +1,24 @@
+#ifndef PSB_C_DPREC_
+#define PSB_C_DPREC_
+#include "psb_base_cbind.h"
+/* Object handle related routines */
+/* Note:  psb_get_XXX_handle returns:  <= 0  unsuccessful */
+/*                                     >0    valid handle */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct PSB_C_DPREC {
+  void *dprec;
+} psb_c_dprec; 
+
+psb_c_dprec* psb_c_new_dprec();
+
+int  psb_c_dprecinit(psb_c_dprec *ph, const char *ptype);
+int  psb_c_dprecbld(psb_c_dspmat *ah, psb_c_descriptor *cdh, psb_c_dprec *ph);
+int  psb_c_dprecfree(psb_c_dprec *ph);
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/cbind/prec/psb_dprec_cbind_mod.f90 b/cbind/prec/psb_dprec_cbind_mod.f90
new file mode 100644
index 00000000..1e756d11
--- /dev/null
+++ b/cbind/prec/psb_dprec_cbind_mod.f90
@@ -0,0 +1,118 @@
+module psb_dprec_cbind_mod
+
+  use iso_c_binding
+  use psb_prec_mod, only : psb_dprec_type
+  use psb_objhandle_mod
+  use psb_base_string_cbind_mod
+
+  type, bind(c) :: psb_c_dprec
+    type(c_ptr) :: item = c_null_ptr
+  end type psb_c_dprec
+  
+  
+contains 
+
+
+  function  psb_c_dprecinit(ph,ptype) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    integer(c_int)          :: res
+    type(psb_c_dprec) :: ph
+    character(c_char)       :: ptype(*)
+    type(psb_dprec_type), pointer :: precp
+    integer                 :: info
+    character(len=80)       :: fptype
+
+    res = -1
+    if (c_associated(ph%item)) then 
+      return 
+    end if
+
+    allocate(precp,stat=info)
+    if (info /= 0) return
+    ph%item = c_loc(precp)
+
+    call stringc2f(ptype,fptype)
+    
+    call psb_precinit(precp,fptype,info) 
+    
+    res = min(0,info)
+    return
+  end function psb_c_dprecinit
+    
+
+
+  function  psb_c_dprecbld(ah,cdh,ph) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_objhandle_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    
+    integer(c_int) :: res
+    type(psb_c_dspmat) :: ah
+    type(psb_c_dprec) :: ph
+    type(psb_c_descriptor) :: cdh
+
+    type(psb_desc_type), pointer :: descp
+    type(psb_dspmat_type), pointer :: ap
+    type(psb_dprec_type), pointer :: precp
+
+    integer               :: info
+
+    res = -1
+!!$    write(*,*) 'Entry:   ', psb_c_cd_get_local_rows(cdh)
+    if (c_associated(cdh%item)) then 
+      call c_f_pointer(cdh%item,descp)
+    else
+      return 
+    end if
+    if (c_associated(ah%item)) then 
+      call c_f_pointer(ah%item,ap)
+    else
+      return 
+    end if
+    if (c_associated(ph%item)) then 
+      call c_f_pointer(ph%item,precp)
+    else
+      return 
+    end if
+
+    call psb_precbld(ap,descp, precp, info)
+
+    res = min(info,0)
+    
+  end function psb_c_dprecbld
+
+
+  function  psb_c_dprecfree(ph) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_objhandle_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    
+    integer(c_int) :: res
+    type(psb_c_dprec) :: ph
+
+    type(psb_dprec_type), pointer :: precp
+
+    integer               :: info
+
+    res = -1
+    if (c_associated(ph%item)) then 
+      call c_f_pointer(ph%item,precp)
+    else
+      return 
+    end if
+    
+    call psb_precfree(precp, info)
+
+    res = min(info,0)
+    
+  end function psb_c_dprecfree
+
+
+end module psb_dprec_cbind_mod
diff --git a/cbind/prec/psb_dprec_cbind_mod.mod b/cbind/prec/psb_dprec_cbind_mod.mod
new file mode 100644
index 00000000..b153ab91
Binary files /dev/null and b/cbind/prec/psb_dprec_cbind_mod.mod differ
diff --git a/cbind/prec/psb_prec_cbind.h b/cbind/prec/psb_prec_cbind.h
new file mode 100644
index 00000000..1dabd9cf
--- /dev/null
+++ b/cbind/prec/psb_prec_cbind.h
@@ -0,0 +1,6 @@
+#ifndef PSB_PREC_CBIND_
+#define PSB_PREC_CBIND_
+
+#include "psb_c_dprec.h"
+
+#endif
diff --git a/cbind/prec/psb_prec_cbind_mod.f90 b/cbind/prec/psb_prec_cbind_mod.f90
new file mode 100644
index 00000000..946b159f
--- /dev/null
+++ b/cbind/prec/psb_prec_cbind_mod.f90
@@ -0,0 +1,3 @@
+module psb_prec_cbind_mod
+  use psb_dprec_cbind_mod
+end module psb_prec_cbind_mod