* vc/ediff-util.el (ediff-calc-command-time): Use time-since

and float-time.  Say "NNN.NNN seconds" rather than "NNN seconds
+ NNN microseconds".

2 files changed, 7 insertions, 9 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 4b067b043ed..4bd6cd45671 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,9 @@
 2011-07-01  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * vc/ediff-util.el (ediff-calc-command-time): Use time-since
+        and float-time.  Say "NNN.NNN seconds" rather than "NNN seconds
+        + NNN microseconds".
+
         * type-break.el (type-break-time-sum): Rewrite using time-add.
 
         * play/hanoi.el (hanoi-current-time-float): Remove.
diff --git a/lisp/vc/ediff-util.el b/lisp/vc/ediff-util.el
index 40ffea624fb..df6a7e938af 100644
--- a/lisp/vc/ediff-util.el
+++ b/lisp/vc/ediff-util.el
@@ -4144,15 +4144,9 @@ Mail anyway? (y or n) ")
 
 ;; calculate time used by command
 (defun ediff-calc-command-time ()
-  (let ((end (current-time))
-        micro sec)
-    (setq micro
-          (if (>= (nth 2 end) (nth 2 ediff-command-begin-time))
-              (- (nth 2 end) (nth 2 ediff-command-begin-time))
-            (+ (nth 2 end) (- 1000000 (nth 2 ediff-command-begin-time)))))
-    (setq sec (- (nth 1 end) (nth 1 ediff-command-begin-time)))
-    (or (equal ediff-command-begin-time '(0 0 0))
-        (message "Elapsed time: %d second(s) + %d microsecond(s)" sec micro))))
+  (or (equal ediff-command-begin-time '(0 0 0))
+      (message "Elapsed time: %g second(s)"
+               (float-time (time-since ediff-command-begin-time)))))
 
 (defsubst ediff-save-time ()
   (setq ediff-command-begin-time (current-time)))