1 files changed, 73 insertions, 0 deletions
diff --git a/libgfortran/intrinsics/etime.c b/libgfortran/intrinsics/etime.c
new file mode 100644
index 000000000..d90bc3022
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+++ b/libgfortran/intrinsics/etime.c
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+/* Implementation of the ETIME intrinsic.
+   Copyright (C) 2004, 2005, 2006, 2007, 2009, 2011 Free Software
+   Foundation, Inc.
+   Contributed by Steven G. Kargl <kargls@comcast.net>.
+
+This file is part of the GNU Fortran runtime library (libgfortran).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+<http://www.gnu.org/licenses/>.  */
+
+#include "libgfortran.h"
+#include "time_1.h"
+
+extern void etime_sub (gfc_array_r4 *t, GFC_REAL_4 *result);
+iexport_proto(etime_sub);
+
+void
+etime_sub (gfc_array_r4 *t, GFC_REAL_4 *result)
+{
+  GFC_REAL_4 tu, ts, tt, *tp;
+  long user_sec, user_usec, system_sec, system_usec;
+
+  if (((GFC_DESCRIPTOR_EXTENT(t,0))) < 2)
+    runtime_error ("Insufficient number of elements in TARRAY.");
+
+  if (gf_cputime (&user_sec, &user_usec, &system_sec, &system_usec) == 0)
+    {
+      tu = (GFC_REAL_4)(user_sec + 1.e-6 * user_usec);
+      ts = (GFC_REAL_4)(system_sec + 1.e-6 * system_usec);
+      tt = tu + ts;
+    }
+  else
+    {
+      tu = (GFC_REAL_4)-1.0;
+      ts = (GFC_REAL_4)-1.0;
+      tt = (GFC_REAL_4)-1.0;
+    }
+
+  tp = t->data;
+
+  *tp = tu;
+  tp += GFC_DESCRIPTOR_STRIDE(t,0);
+  *tp = ts;
+  *result = tt;
+}
+iexport(etime_sub);
+
+extern GFC_REAL_4 etime (gfc_array_r4 *t);
+export_proto(etime);
+
+GFC_REAL_4
+etime (gfc_array_r4 *t)
+{
+  GFC_REAL_4 val;
+  etime_sub (t, &val);
+  return val;
+}