/* Implementation of the ETIME intrinsic.
- Copyright (C) 2004 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Contributed by Steven G. Kargl <kargls@comcast.net>.
This file is part of the GNU Fortran 95 runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
+modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
+version 2 of the License, or (at your option) any later version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
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 Lesser General Public License for more details.
+GNU General Public License for more details.
-You should have received a copy of the GNU Lesser General Public
-License along with libgfor; see the file COPYING.LIB. If not,
-write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+You should have received a copy of the GNU General Public
+License along with libgfortran; see the file COPYING. If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
-#include "config.h"
-#include <sys/types.h>
#include "libgfortran.h"
+#include "time_1.h"
-#include <stdio.h>
-
-#if defined (HAVE_SYS_TIME_H) && defined (HAVE_SYS_RESOURCE_H)
-#include <sys/time.h>
-#include <sys/resource.h>
-#endif
+extern void etime_sub (gfc_array_r4 *t, GFC_REAL_4 *result);
+iexport_proto(etime_sub);
void
-prefix(etime_sub) (gfc_array_r4 *t, GFC_REAL_4 *result)
+etime_sub (gfc_array_r4 *t, GFC_REAL_4 *result)
{
GFC_REAL_4 tu, ts, tt, *tp;
- index_type dim;
+ long user_sec, user_usec, system_sec, system_usec;
-#if defined(HAVE_SYS_TIME_H) && defined(HAVE_SYS_RESOURCE_H)
- struct rusage rt;
+ if (((t->dim[0].ubound + 1 - t->dim[0].lbound)) < 2)
+ runtime_error ("Insufficient number of elements in TARRAY.");
- if (getrusage(RUSAGE_SELF, &rt) == 0)
+ if (__time_1 (&user_sec, &user_usec, &system_sec, &system_usec) == 0)
{
- tu = (GFC_REAL_4)(rt.ru_utime.tv_sec + 1.e-6 * rt.ru_utime.tv_usec);
- ts = (GFC_REAL_4)(rt.ru_stime.tv_sec + 1.e-6 * rt.ru_stime.tv_usec);
+ 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 = -1.;
- ts = -1.;
- tt = -1.;
+ tu = (GFC_REAL_4)-1.0;
+ ts = (GFC_REAL_4)-1.0;
+ tt = (GFC_REAL_4)-1.0;
}
-#else
- tu = -1.;
- ts = -1.;
- tt = -1.;
-#endif
-
- if (((t->dim[0].ubound + 1 - t->dim[0].lbound)) < 2)
- runtime_error ("Insufficient number of elements in TARRAY.");
-
- if (t->dim[0].stride == 0)
- t->dim[0].stride = 1;
tp = t->data;
*tp = ts;
*result = tt;
}
+iexport(etime_sub);
-GFC_REAL_4
-prefix(etime) (gfc_array_r4 *t)
-{
- GFC_REAL_4 val;
- prefix(etime_sub) (t, &val);
- return val;
-}
-
-/* LAPACK's test programs declares ETIME external, therefore we
- need this. */
+extern GFC_REAL_4 etime (gfc_array_r4 *t);
+export_proto(etime);
GFC_REAL_4
-etime_ (GFC_REAL_4 *t)
+etime (gfc_array_r4 *t)
{
- gfc_array_r4 desc;
GFC_REAL_4 val;
-
- /* We only fill in the fields that are used in etime_sub. */
- desc.dim[0].lbound = 0;
- desc.dim[0].ubound = 1;
- desc.dim[0].stride = 1;
- desc.data = t;
-
- prefix(etime_sub) (&desc, &val);
+ etime_sub (t, &val);
return val;
}
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