diff --git a/configure b/configure
index e1fca130f..207940f10 100755
--- a/configure
+++ b/configure
@@ -6963,20 +6963,20 @@ then
 		# check for mkl_lapack (if mkl found and acml not found)
 		if test "$have_mkl" -ne 0 && test "$have_mkl" -ne 0
 		then
-       			unset ac_cv_search_zggev # clear cached value
+       			unset ac_cv_search_dspev # clear cached value
                		FFLAGS="$test_fflags"
              	  	LIBS=" $blas_libs"
 			LDFLAGS="$MKL_FLAGS $test_ldflags"
-			echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+			echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7001,7 +7001,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7009,12 +7009,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in mkl_lapack; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7039,7 +7039,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7052,10 +7052,10 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_lapack=1
 				       lapack_libs="$LIBS"
 fi
@@ -7065,20 +7065,20 @@ fi
 
 	sparc:* )
 		# check for SUNperf library
-		unset ac_cv_search_zggev # clear cached value
+		unset ac_cv_search_dspev # clear cached value
 		FFLAGS="$test_fflags"
 		LDFLAGS="$test_ldflags"
 		LIBS="$blas_libs"
-		echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+		echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7103,7 +7103,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7111,12 +7111,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in sunperf; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7141,7 +7141,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7154,10 +7154,10 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_lapack=1
 			       lapack_libs="-xlic_lib=sunperf $LIBS"
 fi
@@ -7168,20 +7168,20 @@ fi
 		# test of blas)
                 if test have_essl -eq 0
                 then
-		   unset ac_cv_search_zggev # clear cached value
+		   unset ac_cv_search_dspev # clear cached value
 		   FFLAGS="$test_fflags"
 		   LDFLAGS="$test_ldflags"
 		   LIBS="$blas_libs"
-		   echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+		   echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7206,7 +7206,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7214,12 +7214,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in essl; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7244,7 +7244,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7257,10 +7257,10 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_essl=1
 		  	          lapack_libs="-lessl"
  				  try_dflags="$try_dflags -D__ESSL"
@@ -7274,7 +7274,7 @@ fi
 		try_libdirs="/SX/usr/lib /SX/opt/mathkeisan/inst/lib0"
                 for dir in none $try_libdirs
                 do
-                        unset ac_cv_search_zggev # clear cached value
+                        unset ac_cv_search_dspev # clear cached value
                         if test "$dir" = "none"
                         then
                                 try_loption=
@@ -7285,16 +7285,16 @@ fi
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS="-llapack $blas_libs"
-                        echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+                        echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7319,7 +7319,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7327,12 +7327,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in lapack; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7357,7 +7357,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7370,15 +7370,15 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_lapack=1
                                        lapack_libs="$try_loption $LIBS"
 fi
 
-                        if test "$ac_cv_search_zggev" != "no"
+                        if test "$ac_cv_search_dspev" != "no"
                         then break ; fi
                 done
                 ;;
@@ -7393,7 +7393,7 @@ fi
 
 		for dir in none $try_libdirs
 		do
-			unset ac_cv_search_zggev # clear cached value
+			unset ac_cv_search_dspev # clear cached value
 			if test "$dir" = "none"
 			then
 				try_loption=
@@ -7404,16 +7404,16 @@ fi
 			FFLAGS="$test_fflags"
 			LDFLAGS="$test_ldflags $try_loption"
 			LIBS="$blas_libs"
-			echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+			echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7438,7 +7438,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7446,12 +7446,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in lapack; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7476,7 +7476,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7489,15 +7489,15 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_lapack=1
 				       lapack_libs="$try_loption -llapack"
 fi
 
-			if test "$ac_cv_search_zggev" != "no"
+			if test "$ac_cv_search_dspev" != "no"
 			then break ; fi
 		done
 	fi
diff --git a/configure.ac b/configure.ac
index e9e15480c..a5c50b83c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1005,22 +1005,22 @@ then
 		# check for mkl_lapack (if mkl found and acml not found)
 		if test "$have_mkl" -ne 0 && test "$have_mkl" -ne 0
 		then
-       			unset ac_cv_search_zggev # clear cached value
+       			unset ac_cv_search_dspev # clear cached value
                		FFLAGS="$test_fflags"
              	  	LIBS=" $blas_libs"
 			LDFLAGS="$MKL_FLAGS $test_ldflags"
-			AC_SEARCH_LIBS(zggev, mkl_lapack, have_lapack=1
+			AC_SEARCH_LIBS(dspev, mkl_lapack, have_lapack=1
 				       lapack_libs="$LIBS")
 		fi
 		;;
 
 	sparc:* )
 		# check for SUNperf library
-		unset ac_cv_search_zggev # clear cached value
+		unset ac_cv_search_dspev # clear cached value
 		FFLAGS="$test_fflags"
 		LDFLAGS="$test_ldflags"
 		LIBS="$blas_libs"
-		AC_SEARCH_LIBS(zggev, sunperf, have_lapack=1
+		AC_SEARCH_LIBS(dspev, sunperf, have_lapack=1
 			       lapack_libs="-xlic_lib=sunperf $LIBS")
 		;;
 	aix:* )
@@ -1028,11 +1028,11 @@ then
 		# test of blas) 
                 if test have_essl -eq 0
                 then
-		   unset ac_cv_search_zggev # clear cached value
+		   unset ac_cv_search_dspev # clear cached value
 		   FFLAGS="$test_fflags"
 		   LDFLAGS="$test_ldflags"
 		   LIBS="$blas_libs"
-		   AC_SEARCH_LIBS(zggev, essl, have_essl=1
+		   AC_SEARCH_LIBS(dspev, essl, have_essl=1
 		  	          lapack_libs="-lessl" 
  				  try_dflags="$try_dflags -D__ESSL")
                 fi
@@ -1043,7 +1043,7 @@ then
 		try_libdirs="/SX/usr/lib /SX/opt/mathkeisan/inst/lib0"
                 for dir in none $try_libdirs
                 do
-                        unset ac_cv_search_zggev # clear cached value
+                        unset ac_cv_search_dspev # clear cached value
                         if test "$dir" = "none"
                         then
                                 try_loption=
@@ -1054,9 +1054,9 @@ then
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS="-llapack $blas_libs"
-                        AC_SEARCH_LIBS(zggev, lapack, have_lapack=1
+                        AC_SEARCH_LIBS(dspev, lapack, have_lapack=1
                                        lapack_libs="$try_loption $LIBS")
-                        if test "$ac_cv_search_zggev" != "no"
+                        if test "$ac_cv_search_dspev" != "no"
                         then break ; fi
                 done
                 ;;
@@ -1071,7 +1071,7 @@ then
 
 		for dir in none $try_libdirs
 		do
-			unset ac_cv_search_zggev # clear cached value
+			unset ac_cv_search_dspev # clear cached value
 			if test "$dir" = "none"
 			then
 				try_loption=
@@ -1082,9 +1082,9 @@ then
 			FFLAGS="$test_fflags"
 			LDFLAGS="$test_ldflags $try_loption"
 			LIBS="$blas_libs"
-			AC_SEARCH_LIBS(zggev, lapack, have_lapack=1
+			AC_SEARCH_LIBS(dspev, lapack, have_lapack=1
 				       lapack_libs="$try_loption -llapack")
-			if test "$ac_cv_search_zggev" != "no"
+			if test "$ac_cv_search_dspev" != "no"
 			then break ; fi
 		done
 	fi
diff --git a/install/configure b/install/configure
index e1fca130f..207940f10 100755
--- a/install/configure
+++ b/install/configure
@@ -6963,20 +6963,20 @@ then
 		# check for mkl_lapack (if mkl found and acml not found)
 		if test "$have_mkl" -ne 0 && test "$have_mkl" -ne 0
 		then
-       			unset ac_cv_search_zggev # clear cached value
+       			unset ac_cv_search_dspev # clear cached value
                		FFLAGS="$test_fflags"
              	  	LIBS=" $blas_libs"
 			LDFLAGS="$MKL_FLAGS $test_ldflags"
-			echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+			echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7001,7 +7001,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7009,12 +7009,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in mkl_lapack; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7039,7 +7039,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7052,10 +7052,10 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_lapack=1
 				       lapack_libs="$LIBS"
 fi
@@ -7065,20 +7065,20 @@ fi
 
 	sparc:* )
 		# check for SUNperf library
-		unset ac_cv_search_zggev # clear cached value
+		unset ac_cv_search_dspev # clear cached value
 		FFLAGS="$test_fflags"
 		LDFLAGS="$test_ldflags"
 		LIBS="$blas_libs"
-		echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+		echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7103,7 +7103,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7111,12 +7111,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in sunperf; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7141,7 +7141,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7154,10 +7154,10 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_lapack=1
 			       lapack_libs="-xlic_lib=sunperf $LIBS"
 fi
@@ -7168,20 +7168,20 @@ fi
 		# test of blas)
                 if test have_essl -eq 0
                 then
-		   unset ac_cv_search_zggev # clear cached value
+		   unset ac_cv_search_dspev # clear cached value
 		   FFLAGS="$test_fflags"
 		   LDFLAGS="$test_ldflags"
 		   LIBS="$blas_libs"
-		   echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+		   echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7206,7 +7206,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7214,12 +7214,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in essl; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7244,7 +7244,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7257,10 +7257,10 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_essl=1
 		  	          lapack_libs="-lessl"
  				  try_dflags="$try_dflags -D__ESSL"
@@ -7274,7 +7274,7 @@ fi
 		try_libdirs="/SX/usr/lib /SX/opt/mathkeisan/inst/lib0"
                 for dir in none $try_libdirs
                 do
-                        unset ac_cv_search_zggev # clear cached value
+                        unset ac_cv_search_dspev # clear cached value
                         if test "$dir" = "none"
                         then
                                 try_loption=
@@ -7285,16 +7285,16 @@ fi
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS="-llapack $blas_libs"
-                        echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+                        echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7319,7 +7319,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7327,12 +7327,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in lapack; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7357,7 +7357,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7370,15 +7370,15 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_lapack=1
                                        lapack_libs="$try_loption $LIBS"
 fi
 
-                        if test "$ac_cv_search_zggev" != "no"
+                        if test "$ac_cv_search_dspev" != "no"
                         then break ; fi
                 done
                 ;;
@@ -7393,7 +7393,7 @@ fi
 
 		for dir in none $try_libdirs
 		do
-			unset ac_cv_search_zggev # clear cached value
+			unset ac_cv_search_dspev # clear cached value
 			if test "$dir" = "none"
 			then
 				try_loption=
@@ -7404,16 +7404,16 @@ fi
 			FFLAGS="$test_fflags"
 			LDFLAGS="$test_ldflags $try_loption"
 			LIBS="$blas_libs"
-			echo "$as_me:$LINENO: checking for library containing zggev" >&5
-echo $ECHO_N "checking for library containing zggev... $ECHO_C" >&6
-if test "${ac_cv_search_zggev+set}" = set; then
+			echo "$as_me:$LINENO: checking for library containing dspev" >&5
+echo $ECHO_N "checking for library containing dspev... $ECHO_C" >&6
+if test "${ac_cv_search_dspev+set}" = set; then
   echo $ECHO_N "(cached) $ECHO_C" >&6
 else
   ac_func_search_save_LIBS=$LIBS
-ac_cv_search_zggev=no
+ac_cv_search_dspev=no
 cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7438,7 +7438,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="none required"
+  ac_cv_search_dspev="none required"
 else
   echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
@@ -7446,12 +7446,12 @@ sed 's/^/| /' conftest.$ac_ext >&5
 fi
 rm -f conftest.err conftest.$ac_objext \
       conftest$ac_exeext conftest.$ac_ext
-if test "$ac_cv_search_zggev" = no; then
+if test "$ac_cv_search_dspev" = no; then
   for ac_lib in lapack; do
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
     cat >conftest.$ac_ext <<_ACEOF
       program main
-      call zggev
+      call dspev
       end
 _ACEOF
 rm -f conftest.$ac_objext conftest$ac_exeext
@@ -7476,7 +7476,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&5
   (exit $ac_status); }; }; then
-  ac_cv_search_zggev="-l$ac_lib"
+  ac_cv_search_dspev="-l$ac_lib"
 break
 else
   echo "$as_me: failed program was:" >&5
@@ -7489,15 +7489,15 @@ rm -f conftest.err conftest.$ac_objext \
 fi
 LIBS=$ac_func_search_save_LIBS
 fi
-echo "$as_me:$LINENO: result: $ac_cv_search_zggev" >&5
-echo "${ECHO_T}$ac_cv_search_zggev" >&6
-if test "$ac_cv_search_zggev" != no; then
-  test "$ac_cv_search_zggev" = "none required" || LIBS="$ac_cv_search_zggev $LIBS"
+echo "$as_me:$LINENO: result: $ac_cv_search_dspev" >&5
+echo "${ECHO_T}$ac_cv_search_dspev" >&6
+if test "$ac_cv_search_dspev" != no; then
+  test "$ac_cv_search_dspev" = "none required" || LIBS="$ac_cv_search_dspev $LIBS"
   have_lapack=1
 				       lapack_libs="$try_loption -llapack"
 fi
 
-			if test "$ac_cv_search_zggev" != "no"
+			if test "$ac_cv_search_dspev" != "no"
 			then break ; fi
 		done
 	fi
diff --git a/install/configure.ac b/install/configure.ac
index e9e15480c..a5c50b83c 100644
--- a/install/configure.ac
+++ b/install/configure.ac
@@ -1005,22 +1005,22 @@ then
 		# check for mkl_lapack (if mkl found and acml not found)
 		if test "$have_mkl" -ne 0 && test "$have_mkl" -ne 0
 		then
-       			unset ac_cv_search_zggev # clear cached value
+       			unset ac_cv_search_dspev # clear cached value
                		FFLAGS="$test_fflags"
              	  	LIBS=" $blas_libs"
 			LDFLAGS="$MKL_FLAGS $test_ldflags"
-			AC_SEARCH_LIBS(zggev, mkl_lapack, have_lapack=1
+			AC_SEARCH_LIBS(dspev, mkl_lapack, have_lapack=1
 				       lapack_libs="$LIBS")
 		fi
 		;;
 
 	sparc:* )
 		# check for SUNperf library
-		unset ac_cv_search_zggev # clear cached value
+		unset ac_cv_search_dspev # clear cached value
 		FFLAGS="$test_fflags"
 		LDFLAGS="$test_ldflags"
 		LIBS="$blas_libs"
-		AC_SEARCH_LIBS(zggev, sunperf, have_lapack=1
+		AC_SEARCH_LIBS(dspev, sunperf, have_lapack=1
 			       lapack_libs="-xlic_lib=sunperf $LIBS")
 		;;
 	aix:* )
@@ -1028,11 +1028,11 @@ then
 		# test of blas) 
                 if test have_essl -eq 0
                 then
-		   unset ac_cv_search_zggev # clear cached value
+		   unset ac_cv_search_dspev # clear cached value
 		   FFLAGS="$test_fflags"
 		   LDFLAGS="$test_ldflags"
 		   LIBS="$blas_libs"
-		   AC_SEARCH_LIBS(zggev, essl, have_essl=1
+		   AC_SEARCH_LIBS(dspev, essl, have_essl=1
 		  	          lapack_libs="-lessl" 
  				  try_dflags="$try_dflags -D__ESSL")
                 fi
@@ -1043,7 +1043,7 @@ then
 		try_libdirs="/SX/usr/lib /SX/opt/mathkeisan/inst/lib0"
                 for dir in none $try_libdirs
                 do
-                        unset ac_cv_search_zggev # clear cached value
+                        unset ac_cv_search_dspev # clear cached value
                         if test "$dir" = "none"
                         then
                                 try_loption=
@@ -1054,9 +1054,9 @@ then
                         FFLAGS="$test_fflags"
                         LDFLAGS="$test_ldflags $try_loption"
                         LIBS="-llapack $blas_libs"
-                        AC_SEARCH_LIBS(zggev, lapack, have_lapack=1
+                        AC_SEARCH_LIBS(dspev, lapack, have_lapack=1
                                        lapack_libs="$try_loption $LIBS")
-                        if test "$ac_cv_search_zggev" != "no"
+                        if test "$ac_cv_search_dspev" != "no"
                         then break ; fi
                 done
                 ;;
@@ -1071,7 +1071,7 @@ then
 
 		for dir in none $try_libdirs
 		do
-			unset ac_cv_search_zggev # clear cached value
+			unset ac_cv_search_dspev # clear cached value
 			if test "$dir" = "none"
 			then
 				try_loption=
@@ -1082,9 +1082,9 @@ then
 			FFLAGS="$test_fflags"
 			LDFLAGS="$test_ldflags $try_loption"
 			LIBS="$blas_libs"
-			AC_SEARCH_LIBS(zggev, lapack, have_lapack=1
+			AC_SEARCH_LIBS(dspev, lapack, have_lapack=1
 				       lapack_libs="$try_loption -llapack")
-			if test "$ac_cv_search_zggev" != "no"
+			if test "$ac_cv_search_dspev" != "no"
 			then break ; fi
 		done
 	fi