--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/liboctave/UMFPACK/UMFPACK/Source/umfpack_timer.c	Fri Feb 25 19:55:28 2005 +0000
@@ -0,0 +1,83 @@
+/* ========================================================================== */
+/* === umfpack_timer ======================================================== */
+/* ========================================================================== */
+
+/* -------------------------------------------------------------------------- */
+/* UMFPACK Version 4.4, Copyright (c) 2005 by Timothy A. Davis.  CISE Dept,   */
+/* Univ. of Florida.  All Rights Reserved.  See ../Doc/License for License.   */
+/* web: http://www.cise.ufl.edu/research/sparse/umfpack                       */
+/* -------------------------------------------------------------------------- */
+
+/*
+    User-callable.  Returns the time in seconds used by the process.  BE
+    CAREFUL:  if you compare the run time of UMFPACK with other sparse matrix
+    packages, be sure to use the same timer.  See umfpack_timer.h for details.
+    See umfpack_tictoc.h, which is the timer used internally by UMFPACK.
+*/
+
+#ifdef NO_TIMER
+
+/* -------------------------------------------------------------------------- */
+/* no timer used if -DNO_TIMER is defined at compile time */
+/* -------------------------------------------------------------------------- */
+
+double umfpack_timer ( void )
+{
+    return (0) ;
+}
+
+#else
+
+#ifdef GETRUSAGE
+
+/* -------------------------------------------------------------------------- */
+/* use getrusage for accurate process times (and no overflow) */
+/* -------------------------------------------------------------------------- */
+
+/*
+    This works under Solaris, SGI Irix, Linux, IBM RS 6000 (AIX), and Compaq
+    Alpha.  It might work on other Unix systems, too.  Includes both the "user
+    time" and the "system time".  The system time is the time spent by the
+    operating system on behalf of the process, and thus should be charged to
+    the process.
+*/
+
+#include <sys/time.h>
+#include <sys/resource.h>
+
+double umfpack_timer ( void )
+{
+    struct rusage ru ;
+    double user_time, sys_time ;
+
+    (void) getrusage (RUSAGE_SELF, &ru) ;
+
+    user_time =
+    ru.ru_utime.tv_sec			/* user time (seconds) */
+    + 1e-6 * ru.ru_utime.tv_usec ;	/* user time (microseconds) */
+
+    sys_time =
+    ru.ru_stime.tv_sec			/* system time (seconds) */
+    + 1e-6 * ru.ru_stime.tv_usec ;	/* system time (microseconds) */
+
+    return (user_time + sys_time) ;
+}
+
+#else
+
+/* -------------------------------------------------------------------------- */
+/* Generic ANSI C: use the ANSI clock function */
+/* -------------------------------------------------------------------------- */
+
+/* This is portable, but may overflow.  On Sun Solaris, when compiling in */
+/* 32-bit mode, the overflow occurs in only 2147 seconds (about 36 minutes). */
+
+#include <time.h>
+
+double umfpack_timer ( void )
+{
+    return (((double) (clock ( ))) / ((double) (CLOCKS_PER_SEC))) ;
+}
+
+#endif
+#endif