stl_numeric.h (partial_sum, [...]): Avoid dereferencing two times __first in the prologue.

2004-11-03  Jonathan Wakely  <redi@gcc.gnu.org>

	* include/bits/stl_numeric.h (partial_sum, adjacent_difference):
	Avoid dereferencing two times __first in the prologue.

From-SVN: r90038

libstdc++-v3/ChangeLog

+2004-11-03  Jonathan Wakely  <redi@gcc.gnu.org>
+
+	* include/bits/stl_numeric.h (partial_sum, adjacent_difference):
+	Avoid dereferencing two times __first in the prologue.
+ 
 2004-11-03  Paolo Carlini  <pcarlini@suse.de>
 
 	* include/bits/stl_numeric.h: Trivial formatting fixes.

libstdc++-v3/include/bits/stl_numeric.h

@@ -209,8 +209,8 @@ namespace std
 
       if (__first == __last)
 	return __result;
-      *__result = *__first;
       _ValueType __value = *__first;
+      *__result = __value;
       while (++__first != __last)
 	{
 	  __value = __value + *__first;
@@ -249,8 +249,8 @@ namespace std
 
       if (__first == __last)
 	return __result;
-      *__result = *__first;
       _ValueType __value = *__first;
+      *__result = __value;
       while (++__first != __last)
 	{
 	  __value = __binary_op(__value, *__first);
@@ -285,8 +285,8 @@ namespace std
 
       if (__first == __last)
 	return __result;
-      *__result = *__first;
       _ValueType __value = *__first;
+      *__result = __value;
       while (++__first != __last)
 	{
 	  _ValueType __tmp = *__first;
@@ -324,8 +324,8 @@ namespace std
 
       if (__first == __last)
 	return __result;
-      *__result = *__first;
       _ValueType __value = *__first;
+      *__result = __value;
       while (++__first != __last)
 	{
 	  _ValueType __tmp = *__first;