diff --git a/cbind/CMakeLists.txt b/cbind/CMakeLists.txt
index 28497625..1f7bb259 100644
--- a/cbind/CMakeLists.txt
+++ b/cbind/CMakeLists.txt
@@ -26,11 +26,11 @@ set(PSB_cbind_source_files
   util/psb_util_cbind_mod.f90
   util/psb_d_util_cbind_mod.f90
   util/psb_z_util_cbind_mod.f90
-  krylov/psb_ckrylov_cbind_mod.f90
-  krylov/psb_base_krylov_cbind_mod.f90
-  krylov/psb_skrylov_cbind_mod.f90
-  krylov/psb_dkrylov_cbind_mod.f90
-  krylov/psb_zkrylov_cbind_mod.f90
+  linsolve/psb_clinsolve_cbind_mod.f90
+  linsolve/psb_base_linsolve_cbind_mod.f90
+  linsolve/psb_slinsolve_cbind_mod.f90
+  linsolve/psb_dlinsolve_cbind_mod.f90
+  linsolve/psb_zlinsolve_cbind_mod.f90
   prec/psb_dprec_cbind_mod.f90
   prec/psb_cprec_cbind_mod.f90
   prec/psb_prec_cbind_mod.f90
@@ -75,7 +75,7 @@ list(APPEND PSB_cbind_header_C_files
   util/psb_c_sutil.h
   util/psb_c_cutil.h
   util/psb_util_cbind.h
-  krylov/psb_krylov_cbind.h
+  linsolve/psb_linsolve_cbind.h
   prec/psb_c_sprec.h
   prec/psb_c_cprec.h
   prec/psb_prec_cbind.h
diff --git a/cbind/Makefile b/cbind/Makefile
index 9724c711..3be3bd8f 100644
--- a/cbind/Makefile
+++ b/cbind/Makefile
@@ -6,13 +6,13 @@ INCDIR=../include
 MODDIR=../modules/
 LIBNAME=$(CBINDLIBNAME)
 
-objs: based precd krylovd utild
+objs: based precd linsolved utild
 	/bin/cp -p $(CPUPDFLAG) *.h $(INCDIR)
 	/bin/cp -p $(CPUPDFLAG) *$(.mod) $(MODDIR)
 lib: objs 
 	cd base && $(MAKE) lib LIBNAME=$(LIBNAME)
 	cd prec && $(MAKE) lib LIBNAME=$(LIBNAME)
-	cd krylov && $(MAKE) lib LIBNAME=$(LIBNAME)
+	cd linsolve && $(MAKE) lib LIBNAME=$(LIBNAME)
 	cd util && $(MAKE) lib LIBNAME=$(LIBNAME)
 	/bin/cp -p $(CPUPDFLAG) $(HERE)/$(LIBNAME) $(LIBDIR)
 
@@ -21,15 +21,15 @@ based:
 	cd base && $(MAKE) objs LIBNAME=$(LIBNAME)
 precd: based
 	cd prec && $(MAKE) objs LIBNAME=$(LIBNAME)
-krylovd: based precd
-	cd krylov && $(MAKE) objs LIBNAME=$(LIBNAME)
+linsolved: based precd
+	cd linsolve && $(MAKE) objs LIBNAME=$(LIBNAME)
 utild: based
 	cd util && $(MAKE) objs LIBNAME=$(LIBNAME)
 
 clean:
 	cd base && $(MAKE) clean
 	cd prec && $(MAKE) clean
-	cd krylov && $(MAKE) clean
+	cd linsolve && $(MAKE) clean
 	cd util && $(MAKE) clean
 
 veryclean: clean
diff --git a/cbind/krylov/Makefile b/cbind/linsolve/Makefile
similarity index 59%
rename from cbind/krylov/Makefile
rename to cbind/linsolve/Makefile
index 041e23d4..c0c64c67 100644
--- a/cbind/krylov/Makefile
+++ b/cbind/linsolve/Makefile
@@ -8,12 +8,12 @@ HERE=..
 FINCLUDES=$(FMFLAG). $(FMFLAG)$(HERE) $(FMFLAG)$(MODDIR) 
 CINCLUDES=-I. -I$(HERE) -I$(INCLUDEDIR)
 
-OBJS=psb_base_krylov_cbind_mod.o \
-psb_skrylov_cbind_mod.o psb_dkrylov_cbind_mod.o psb_ckrylov_cbind_mod.o psb_zkrylov_cbind_mod.o 
-CMOD=psb_krylov_cbind.h
+OBJS=psb_base_linsolve_cbind_mod.o \
+psb_slinsolve_cbind_mod.o psb_dlinsolve_cbind_mod.o psb_clinsolve_cbind_mod.o psb_zlinsolve_cbind_mod.o 
+CMOD=psb_linsolve_cbind.h
 
 
-LIBNAME=$(CKRYLOVLIBNAME)	
+LIBNAME=$(CLINSOLVELIBNAME)	
 
 
 objs:  $(OBJS) $(CMOD)
@@ -23,7 +23,7 @@ lib:  objs
 	$(RANLIB) $(HERE)/$(LIBNAME)
 	/bin/cp -p $(HERE)/$(LIBNAME) $(LIBDIR)
 
-psb_skrylov_cbind_mod.o psb_dkrylov_cbind_mod.o psb_ckrylov_cbind_mod.o psb_zkrylov_cbind_mod.o: psb_base_krylov_cbind_mod.o
+psb_slinsolve_cbind_mod.o psb_dlinsolve_cbind_mod.o psb_clinsolve_cbind_mod.o psb_zlinsolve_cbind_mod.o: psb_base_linsolve_cbind_mod.o
 veryclean: clean
 	/bin/rm -f $(HERE)/$(LIBNAME)
 
diff --git a/cbind/krylov/psb_base_krylov_cbind_mod.f90 b/cbind/linsolve/psb_base_linsolve_cbind_mod.f90
similarity index 89%
rename from cbind/krylov/psb_base_krylov_cbind_mod.f90
rename to cbind/linsolve/psb_base_linsolve_cbind_mod.f90
index 88ba819b..a00a68bf 100644
--- a/cbind/krylov/psb_base_krylov_cbind_mod.f90
+++ b/cbind/linsolve/psb_base_linsolve_cbind_mod.f90
@@ -1,4 +1,4 @@
-module psb_base_krylov_cbind_mod
+module psb_base_linsolve_cbind_mod
 
   use iso_c_binding
   use psb_objhandle_mod
@@ -26,4 +26,4 @@ contains
   end function psb_c_DefaultSolverOptions
     
 
-end module psb_base_krylov_cbind_mod
+end module psb_base_linsolve_cbind_mod
diff --git a/cbind/krylov/psb_ckrylov_cbind_mod.f90 b/cbind/linsolve/psb_clinsolve_cbind_mod.f90
similarity index 50%
rename from cbind/krylov/psb_ckrylov_cbind_mod.f90
rename to cbind/linsolve/psb_clinsolve_cbind_mod.f90
index 758ecd02..29a0b2fc 100644
--- a/cbind/krylov/psb_ckrylov_cbind_mod.f90
+++ b/cbind/linsolve/psb_clinsolve_cbind_mod.f90
@@ -1,6 +1,6 @@
-module psb_ckrylov_cbind_mod
+module psb_clinsolve_cbind_mod
 
-  use psb_base_krylov_cbind_mod
+  use psb_base_linsolve_cbind_mod
 
 contains 
 
@@ -102,4 +102,97 @@ contains
     
   end function psb_c_ckrylov_opt
 
-end module psb_ckrylov_cbind_mod
+  function  psb_c_crichardson(ah,ph,bh,xh,cdh,options) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_linsolve_mod
+    use psb_objhandle_mod
+    use psb_prec_cbind_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    integer(psb_c_ipk_)      :: res
+    type(psb_c_cspmat)    :: ah
+    type(psb_c_descriptor)  :: cdh
+    type(psb_c_cprec)     :: ph
+    type(psb_c_cvector)   :: bh,xh
+    type(solveroptions)     :: options
+
+    res= psb_c_crichardson_opt(ah, ph, bh, xh, options%eps,cdh,  &
+         & itmax=options%itmax, iter=options%iter,&
+         & itrace=options%itrace, istop=options%istop,&
+         & irst=options%irst, err=options%err)
+    
+  end function psb_c_crichardson
+
+
+  function  psb_c_crichardson_opt(ah,ph,bh,xh,eps,cdh,&
+       & itmax,iter,err,itrace,irst,istop) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_linsolve_mod
+    use psb_objhandle_mod
+    use psb_prec_cbind_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    integer(psb_c_ipk_)      :: res
+    type(psb_c_cspmat)    :: ah
+    type(psb_c_descriptor)  :: cdh
+    type(psb_c_cprec)       :: ph
+    type(psb_c_cvector)     :: bh,xh
+    integer(psb_c_ipk_), value :: itmax,itrace,irst,istop
+    real(c_double), value :: eps
+    integer(psb_c_ipk_)    :: iter
+    real(c_double)        :: err
+    type(psb_desc_type), pointer   :: descp
+    type(psb_cspmat_type), pointer :: ap
+    type(psb_cprec_type), pointer  :: precp
+    type(psb_c_vect_type), pointer :: xp, bp
+
+    integer(psb_c_ipk_)  :: info,fitmax,fitrace,first,fistop,fiter
+    character(len=20)   :: fmethd
+    real(psb_spk_)       :: feps,ferr
+
+    res = -1
+    if (c_associated(cdh%item)) then 
+      call c_f_pointer(cdh%item,descp)
+    else
+      return 
+    end if
+    if (c_associated(xh%item)) then 
+      call c_f_pointer(xh%item,xp)
+    else
+      return 
+    end if
+    if (c_associated(bh%item)) then 
+      call c_f_pointer(bh%item,bp)
+    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
+
+    feps    = eps
+    fitmax  = itmax
+    fitrace = itrace
+    first   = irst
+    fistop  = istop
+
+    call psb_crichardson_vect(ap, precp, bp, xp, feps, &
+         & descp, info,&
+         & itmax=fitmax,iter=fiter,itrace=fitrace,istop=fistop,&
+         & err=ferr)
+    iter = fiter
+    err  = ferr
+    res = info
+    
+  end function psb_c_crichardson_opt
+
+end module psb_clinsolve_cbind_mod
diff --git a/cbind/krylov/psb_dkrylov_cbind_mod.f90 b/cbind/linsolve/psb_dlinsolve_cbind_mod.f90
similarity index 50%
rename from cbind/krylov/psb_dkrylov_cbind_mod.f90
rename to cbind/linsolve/psb_dlinsolve_cbind_mod.f90
index b1119067..35612ec3 100644
--- a/cbind/krylov/psb_dkrylov_cbind_mod.f90
+++ b/cbind/linsolve/psb_dlinsolve_cbind_mod.f90
@@ -1,6 +1,6 @@
-module psb_dkrylov_cbind_mod
+module psb_dlinsolve_cbind_mod
 
-  use psb_base_krylov_cbind_mod
+  use psb_base_linsolve_cbind_mod
 
 contains 
 
@@ -102,4 +102,97 @@ contains
     
   end function psb_c_dkrylov_opt
 
-end module psb_dkrylov_cbind_mod
+  function  psb_c_drichardson(ah,ph,bh,xh,cdh,options) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_linsolve_mod
+    use psb_objhandle_mod
+    use psb_prec_cbind_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    integer(psb_c_ipk_)      :: res
+    type(psb_c_dspmat)    :: ah
+    type(psb_c_descriptor)  :: cdh
+    type(psb_c_dprec)     :: ph
+    type(psb_c_dvector)   :: bh,xh
+    type(solveroptions)     :: options
+
+    res= psb_c_drichardson_opt(ah, ph, bh, xh, options%eps,cdh,  &
+         & itmax=options%itmax, iter=options%iter,&
+         & itrace=options%itrace, istop=options%istop,&
+         & irst=options%irst, err=options%err)
+    
+  end function psb_c_drichardson
+
+
+  function  psb_c_drichardson_opt(ah,ph,bh,xh,eps,cdh,&
+       & itmax,iter,err,itrace,irst,istop) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_linsolve_mod
+    use psb_objhandle_mod
+    use psb_prec_cbind_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    integer(psb_c_ipk_)      :: res
+    type(psb_c_dspmat)    :: ah
+    type(psb_c_descriptor)  :: cdh
+    type(psb_c_dprec)       :: ph
+    type(psb_c_dvector)     :: bh,xh
+    integer(psb_c_ipk_), value :: itmax,itrace,irst,istop
+    real(c_double), value :: eps
+    integer(psb_c_ipk_)    :: iter
+    real(c_double)        :: err
+    type(psb_desc_type), pointer   :: descp
+    type(psb_dspmat_type), pointer :: ap
+    type(psb_dprec_type), pointer  :: precp
+    type(psb_d_vect_type), pointer :: xp, bp
+
+    integer(psb_c_ipk_)  :: info,fitmax,fitrace,first,fistop,fiter
+    character(len=20)   :: fmethd
+    real(psb_dpk_)       :: feps,ferr
+
+    res = -1
+    if (c_associated(cdh%item)) then 
+      call c_f_pointer(cdh%item,descp)
+    else
+      return 
+    end if
+    if (c_associated(xh%item)) then 
+      call c_f_pointer(xh%item,xp)
+    else
+      return 
+    end if
+    if (c_associated(bh%item)) then 
+      call c_f_pointer(bh%item,bp)
+    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
+
+    feps    = eps
+    fitmax  = itmax
+    fitrace = itrace
+    first   = irst
+    fistop  = istop
+
+    call psb_drichardson_vect(ap, precp, bp, xp, feps, &
+         & descp, info,&
+         & itmax=fitmax,iter=fiter,itrace=fitrace,istop=fistop,&
+         & err=ferr)
+    iter = fiter
+    err  = ferr
+    res = info
+    
+  end function psb_c_drichardson_opt
+
+end module psb_dlinsolve_cbind_mod
diff --git a/cbind/krylov/psb_krylov_cbind.h b/cbind/linsolve/psb_linsolve_cbind.h
similarity index 73%
rename from cbind/krylov/psb_krylov_cbind.h
rename to cbind/linsolve/psb_linsolve_cbind.h
index 4ed45746..6dd7aa3c 100644
--- a/cbind/krylov/psb_krylov_cbind.h
+++ b/cbind/linsolve/psb_linsolve_cbind.h
@@ -1,5 +1,5 @@
-#ifndef PSB_KRYL_CBIND_
-#define PSB_KRYL_CBIND_
+#ifndef PSB_LINSLV_CBIND_
+#define PSB_LINSLV_CBIND_
 
 #include "psb_base_cbind.h"
 #include "psb_prec_cbind.h"
@@ -42,6 +42,24 @@ int psb_c_zkrylov(const char *method, psb_c_zspmat *ah, psb_c_zprec *ph,
 		  psb_c_zvector *bh, psb_c_zvector *xh,
 		  psb_c_descriptor *cdh, psb_c_SolverOptions *opt);
 
+
+  
+int psb_c_srichardson(psb_c_sspmat *ah, psb_c_sprec *ph, 
+		  psb_c_svector *bh, psb_c_svector *xh,
+		  psb_c_descriptor *cdh, psb_c_SolverOptions *opt);
+
+int psb_c_drichardson(psb_c_dspmat *ah, psb_c_dprec *ph, 
+		  psb_c_dvector *bh, psb_c_dvector *xh,
+		  psb_c_descriptor *cdh, psb_c_SolverOptions *opt);
+
+int psb_c_crichardson(psb_c_cspmat *ah, psb_c_cprec *ph, 
+		  psb_c_cvector *bh, psb_c_cvector *xh,
+		  psb_c_descriptor *cdh, psb_c_SolverOptions *opt);
+
+int psb_c_zrichardson(psb_c_zspmat *ah, psb_c_zprec *ph, 
+		  psb_c_zvector *bh, psb_c_zvector *xh,
+		  psb_c_descriptor *cdh, psb_c_SolverOptions *opt);
+
 #define PSB_VALID_KRYLOV_METHODS_STRINGS "CG","CGS","BICG","BICGSTAB","RGMRES","BICGSTABL","FCG","GCR"
 #define PSB_VALID_KRYLOV_METHODS_STRING  "CG CGS BICG BICGSTAB RGMRES BICGSTABL FCG GCR"
 
diff --git a/cbind/krylov/psb_skrylov_cbind_mod.f90 b/cbind/linsolve/psb_slinsolve_cbind_mod.f90
similarity index 50%
rename from cbind/krylov/psb_skrylov_cbind_mod.f90
rename to cbind/linsolve/psb_slinsolve_cbind_mod.f90
index 41bb9506..e1823bd8 100644
--- a/cbind/krylov/psb_skrylov_cbind_mod.f90
+++ b/cbind/linsolve/psb_slinsolve_cbind_mod.f90
@@ -1,6 +1,6 @@
-module psb_skrylov_cbind_mod
+module psb_slinsolve_cbind_mod
 
-  use psb_base_krylov_cbind_mod
+  use psb_base_linsolve_cbind_mod
 
 contains 
 
@@ -102,4 +102,97 @@ contains
     
   end function psb_c_skrylov_opt
 
-end module psb_skrylov_cbind_mod
+  function  psb_c_srichardson(ah,ph,bh,xh,cdh,options) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_linsolve_mod
+    use psb_objhandle_mod
+    use psb_prec_cbind_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    integer(psb_c_ipk_)      :: res
+    type(psb_c_sspmat)    :: ah
+    type(psb_c_descriptor)  :: cdh
+    type(psb_c_sprec)     :: ph
+    type(psb_c_svector)   :: bh,xh
+    type(solveroptions)     :: options
+
+    res= psb_c_srichardson_opt(ah, ph, bh, xh, options%eps,cdh,  &
+         & itmax=options%itmax, iter=options%iter,&
+         & itrace=options%itrace, istop=options%istop,&
+         & irst=options%irst, err=options%err)
+    
+  end function psb_c_srichardson
+
+
+  function  psb_c_srichardson_opt(ah,ph,bh,xh,eps,cdh,&
+       & itmax,iter,err,itrace,irst,istop) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_linsolve_mod
+    use psb_objhandle_mod
+    use psb_prec_cbind_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    integer(psb_c_ipk_)      :: res
+    type(psb_c_sspmat)    :: ah
+    type(psb_c_descriptor)  :: cdh
+    type(psb_c_sprec)       :: ph
+    type(psb_c_svector)     :: bh,xh
+    integer(psb_c_ipk_), value :: itmax,itrace,irst,istop
+    real(c_double), value :: eps
+    integer(psb_c_ipk_)    :: iter
+    real(c_double)        :: err
+    type(psb_desc_type), pointer   :: descp
+    type(psb_sspmat_type), pointer :: ap
+    type(psb_sprec_type), pointer  :: precp
+    type(psb_s_vect_type), pointer :: xp, bp
+
+    integer(psb_c_ipk_)  :: info,fitmax,fitrace,first,fistop,fiter
+    character(len=20)   :: fmethd
+    real(psb_spk_)       :: feps,ferr
+
+    res = -1
+    if (c_associated(cdh%item)) then 
+      call c_f_pointer(cdh%item,descp)
+    else
+      return 
+    end if
+    if (c_associated(xh%item)) then 
+      call c_f_pointer(xh%item,xp)
+    else
+      return 
+    end if
+    if (c_associated(bh%item)) then 
+      call c_f_pointer(bh%item,bp)
+    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
+
+    feps    = eps
+    fitmax  = itmax
+    fitrace = itrace
+    first   = irst
+    fistop  = istop
+
+    call psb_srichardson_vect(ap, precp, bp, xp, feps, &
+         & descp, info,&
+         & itmax=fitmax,iter=fiter,itrace=fitrace,istop=fistop,&
+         & err=ferr)
+    iter = fiter
+    err  = ferr
+    res = info
+    
+  end function psb_c_srichardson_opt
+
+end module psb_slinsolve_cbind_mod
diff --git a/cbind/krylov/psb_zkrylov_cbind_mod.f90 b/cbind/linsolve/psb_zlinsolve_cbind_mod.f90
similarity index 50%
rename from cbind/krylov/psb_zkrylov_cbind_mod.f90
rename to cbind/linsolve/psb_zlinsolve_cbind_mod.f90
index 37f24be7..3234c72c 100644
--- a/cbind/krylov/psb_zkrylov_cbind_mod.f90
+++ b/cbind/linsolve/psb_zlinsolve_cbind_mod.f90
@@ -1,6 +1,6 @@
-module psb_zkrylov_cbind_mod
+module psb_zlinsolve_cbind_mod
 
-  use psb_base_krylov_cbind_mod
+  use psb_base_linsolve_cbind_mod
 
 contains 
 
@@ -102,4 +102,97 @@ contains
     
   end function psb_c_zkrylov_opt
 
-end module psb_zkrylov_cbind_mod
+  function  psb_c_zrichardson(ah,ph,bh,xh,cdh,options) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_linsolve_mod
+    use psb_objhandle_mod
+    use psb_prec_cbind_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    integer(psb_c_ipk_)      :: res
+    type(psb_c_zspmat)    :: ah
+    type(psb_c_descriptor)  :: cdh
+    type(psb_c_zprec)     :: ph
+    type(psb_c_zvector)   :: bh,xh
+    type(solveroptions)     :: options
+
+    res= psb_c_zrichardson_opt(ah, ph, bh, xh, options%eps,cdh,  &
+         & itmax=options%itmax, iter=options%iter,&
+         & itrace=options%itrace, istop=options%istop,&
+         & irst=options%irst, err=options%err)
+    
+  end function psb_c_zrichardson
+
+
+  function  psb_c_zrichardson_opt(ah,ph,bh,xh,eps,cdh,&
+       & itmax,iter,err,itrace,irst,istop) bind(c) result(res)
+    use psb_base_mod
+    use psb_prec_mod
+    use psb_linsolve_mod
+    use psb_objhandle_mod
+    use psb_prec_cbind_mod
+    use psb_base_string_cbind_mod
+    implicit none 
+    integer(psb_c_ipk_)      :: res
+    type(psb_c_zspmat)    :: ah
+    type(psb_c_descriptor)  :: cdh
+    type(psb_c_zprec)       :: ph
+    type(psb_c_zvector)     :: bh,xh
+    integer(psb_c_ipk_), value :: itmax,itrace,irst,istop
+    real(c_double), value :: eps
+    integer(psb_c_ipk_)    :: iter
+    real(c_double)        :: err
+    type(psb_desc_type), pointer   :: descp
+    type(psb_zspmat_type), pointer :: ap
+    type(psb_zprec_type), pointer  :: precp
+    type(psb_z_vect_type), pointer :: xp, bp
+
+    integer(psb_c_ipk_)  :: info,fitmax,fitrace,first,fistop,fiter
+    character(len=20)   :: fmethd
+    real(psb_dpk_)       :: feps,ferr
+
+    res = -1
+    if (c_associated(cdh%item)) then 
+      call c_f_pointer(cdh%item,descp)
+    else
+      return 
+    end if
+    if (c_associated(xh%item)) then 
+      call c_f_pointer(xh%item,xp)
+    else
+      return 
+    end if
+    if (c_associated(bh%item)) then 
+      call c_f_pointer(bh%item,bp)
+    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
+
+    feps    = eps
+    fitmax  = itmax
+    fitrace = itrace
+    first   = irst
+    fistop  = istop
+
+    call psb_zrichardson_vect(ap, precp, bp, xp, feps, &
+         & descp, info,&
+         & itmax=fitmax,iter=fiter,itrace=fitrace,istop=fistop,&
+         & err=ferr)
+    iter = fiter
+    err  = ferr
+    res = info
+    
+  end function psb_c_zrichardson_opt
+
+end module psb_zlinsolve_cbind_mod
diff --git a/cbind/test/pdegen/pdegen3dc.c b/cbind/test/pdegen/pdegen3dc.c
index 2d806180..d9f95b23 100644
--- a/cbind/test/pdegen/pdegen3dc.c
+++ b/cbind/test/pdegen/pdegen3dc.c
@@ -74,7 +74,7 @@
 
 #include "psb_base_cbind.h"
 #include "psb_prec_cbind.h"
-#include "psb_krylov_cbind.h"
+#include "psb_linsolve_cbind.h"
 
 #define LINEBUFSIZE 1024
 #define NBMAX       20