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/* Implementation of the ETIME intrinsic.
Copyright (C) 2004-2014 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->base_addr;
*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;
}
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