diff --git a/cbind/base/psb_c_cbase.h b/cbind/base/psb_c_cbase.h
index 1130018a..73610ba1 100644
--- a/cbind/base/psb_c_cbase.h
+++ b/cbind/base/psb_c_cbase.h
@@ -85,6 +85,10 @@ psb_i_t psb_c_cgecmp(psb_c_cvector *xh,psb_s_t ch,psb_c_cvector *zh,psb_c_descri
 psb_i_t psb_c_cgeaddconst(psb_c_cvector *xh,psb_c_t bh,psb_c_cvector *zh,psb_c_descriptor *cdh);
 psb_s_t psb_c_cgenrm2_weight(psb_c_cvector *xh,psb_c_cvector *wh,psb_c_descriptor *cdh);
 psb_s_t psb_c_cgenrm2_weightmask(psb_c_cvector *xh,psb_c_cvector *wh,psb_c_cvector *idvh,psb_c_descriptor *cdh);
+psb_i_t psb_c_cspscal(psb_c_t alpha, psb_c_cspmat *ah, psb_c_descriptor *cdh);
+psb_i_t psb_c_cspscalpid(psb_c_t alpha, psb_c_cspmat *ah, psb_c_descriptor *cdh);
+psb_i_t psb_c_cspaxpby(psb_c_t alpha, psb_c_cspmat *ah, psb_c_t beta, psb_c_cspmat *bh, psb_c_descriptor *cdh);
+
 #ifdef __cplusplus
 }
 #endif  /* __cplusplus */
diff --git a/cbind/base/psb_c_dbase.h b/cbind/base/psb_c_dbase.h
index 09feea6f..4d4fd1f0 100644
--- a/cbind/base/psb_c_dbase.h
+++ b/cbind/base/psb_c_dbase.h
@@ -88,6 +88,10 @@ psb_d_t psb_c_dgenrm2_weightmask(psb_c_dvector *xh,psb_c_dvector *wh,psb_c_dvect
 psb_i_t psb_c_dmask(psb_c_dvector *ch,psb_c_dvector *xh,psb_c_dvector *mh, void *t, psb_c_descriptor *cdh);
 psb_d_t psb_c_dgemin(psb_c_dvector *xh,psb_c_descriptor *cdh);
 psb_d_t psb_c_dminquotient(psb_c_dvector *xh,psb_c_dvector *yh, psb_c_descriptor *cdh);
+psb_i_t psb_c_dspscal(psb_d_t alpha, psb_c_dspmat *ah, psb_c_descriptor *cdh);
+psb_i_t psb_c_dspscalpid(psb_d_t alpha, psb_c_dspmat *ah, psb_c_descriptor *cdh);
+psb_i_t psb_c_dspaxpby(psb_d_t alpha, psb_c_dspmat *ah, psb_d_t beta, psb_c_dspmat *bh, psb_c_descriptor *cdh);
+
 
 #ifdef __cplusplus
 }
diff --git a/cbind/base/psb_c_sbase.h b/cbind/base/psb_c_sbase.h
index 97384968..44f35033 100644
--- a/cbind/base/psb_c_sbase.h
+++ b/cbind/base/psb_c_sbase.h
@@ -87,7 +87,9 @@ psb_s_t psb_c_sgenrm2_weight(psb_c_svector *xh,psb_c_svector *wh,psb_c_descripto
 psb_s_t psb_c_sgenrm2_weightmask(psb_c_svector *xh,psb_c_svector *wh,psb_c_svector *idvh,psb_c_descriptor *cdh);
 psb_i_t psb_c_smask(psb_c_svector *ch,psb_c_svector *xh,psb_c_svector *mh, void *t, psb_c_descriptor *cdh);
 psb_s_t psb_c_sgemin(psb_c_svector *xh,psb_c_descriptor *cdh);
-
+psb_i_t psb_c_dspscal(psb_s_t alpha, psb_c_sspmat *ah, psb_c_descriptor *cdh);
+psb_i_t psb_c_dspscalpid(psb_s_t alpha, psb_c_sspmat *ah, psb_c_descriptor *cdh);
+psb_i_t psb_c_dspaxpby(psb_s_t alpha, psb_c_sspmat *ah, psb_s_t beta, psb_c_sspmat *bh, psb_c_descriptor *cdh);
 #ifdef __cplusplus
 }
 #endif  /* __cplusplus */
diff --git a/cbind/base/psb_c_zbase.h b/cbind/base/psb_c_zbase.h
index 01be0f68..f2a34a77 100644
--- a/cbind/base/psb_c_zbase.h
+++ b/cbind/base/psb_c_zbase.h
@@ -86,6 +86,10 @@ psb_i_t psb_c_zgecmp(psb_c_zvector *xh,psb_d_t ch,psb_c_zvector *zh,psb_c_descri
 psb_i_t psb_c_zgeaddconst(psb_c_zvector *xh,psb_z_t bh,psb_c_zvector *zh,psb_c_descriptor *cdh);
 psb_d_t psb_c_zgenrm2_weight(psb_c_zvector *xh,psb_c_zvector *wh,psb_c_descriptor *cdh);
 psb_d_t psb_c_zgenrm2_weightmask(psb_c_zvector *xh,psb_c_zvector *wh,psb_c_zvector *idvh,psb_c_descriptor *cdh);
+psb_i_t psb_c_zspscal(psb_z_t alpha, psb_c_zspmat *ah, psb_c_descriptor *cdh);
+psb_i_t psb_c_zspscalpid(psb_z_t alpha, psb_c_zspmat *ah, psb_c_descriptor *cdh);
+psb_i_t psb_c_zspaxpby(psb_z_t alpha, psb_c_zspmat *ah, psb_z_t beta, psb_c_zspmat *bh, psb_c_descriptor *cdh);
+
 #ifdef __cplusplus
 }
 #endif  /* __cplusplus */