source: palm/trunk/SOURCE/local_tremain_ini.f90 @ 1322

Last change on this file since 1322 was 1322, checked in by raasch, 8 years ago

REAL functions and a lot of REAL constants provided with KIND-attribute,
some small bugfixes

  • Property svn:keywords set to Id
File size: 2.4 KB
Line 
1 SUBROUTINE local_tremain_ini
2
3!--------------------------------------------------------------------------------!
4! This file is part of PALM.
5!
6! PALM is free software: you can redistribute it and/or modify it under the terms
7! of the GNU General Public License as published by the Free Software Foundation,
8! either version 3 of the License, or (at your option) any later version.
9!
10! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12! A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
13!
14! You should have received a copy of the GNU General Public License along with
15! PALM. If not, see <http://www.gnu.org/licenses/>.
16!
17! Copyright 1997-2014 Leibniz Universitaet Hannover
18!--------------------------------------------------------------------------------!
19!
20! Current revisions:
21! -----------------
22! REAL constants defined as wp_kind
23!
24! Former revisions:
25! -----------------
26! $Id: local_tremain_ini.f90 1322 2014-03-20 16:38:49Z raasch $
27!
28! 1320 2014-03-20 08:40:49Z raasch
29! ONLY-attribute added to USE-statements,
30! kind-parameters added to all INTEGER and REAL declaration statements,
31! kinds are defined in new module kinds,
32! revision history before 2012 removed,
33! comment fields (!:) to be used for variable explanations added to
34! all variable declaration statements
35!
36! 1092 2013-02-02 11:24:22Z raasch
37! unused variables removed
38!
39! 1036 2012-10-22 13:43:42Z raasch
40! code put under GPL (PALM 3.9)
41!
42! Revision 1.1  1998/03/18 20:15:05  raasch
43! Initial revision
44!
45!
46! Description:
47! ------------
48! Initialization of CPU-time measurements for different operating systems
49!------------------------------------------------------------------------------!
50     
51    USE cpulog,                                                                &
52        ONLY:  initial_wallclock_time
53       
54    USE kinds
55
56    IMPLICIT NONE
57
58#if defined( __ibm )
59    INTEGER(idp)     ::  IRTC       !:
60#elif defined( __lc )
61    INTEGER(idp)     ::  count      !:
62    INTEGER(idp)     ::  count_rate !:
63#endif
64
65
66!
67!-- Get initial wall clock time
68#if defined( __ibm )
69
70    initial_wallclock_time = IRTC( ) * 1E-9_wp
71
72#elif defined( __lc )
73
74    CALL SYSTEM_CLOCK( count, count_rate )
75    initial_wallclock_time = REAL( count, KIND=wp ) / REAL( count_rate, KIND=wp )
76
77#else
78!
79!-- So far, nothing is done on these machines
80#endif
81
82
83 END SUBROUTINE local_tremain_ini
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