source: palm/trunk/SOURCE/local_tremain_ini.f90 @ 1323

Last change on this file since 1323 was 1323, checked in by raasch, 8 years ago

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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!
23!
24! Former revisions:
25! -----------------
26! $Id: local_tremain_ini.f90 1323 2014-03-20 17:09:54Z raasch $
27!
28! 1322 2014-03-20 16:38:49Z raasch
29! REAL constants defined as wp_kind
30!
31! 1320 2014-03-20 08:40:49Z raasch
32! ONLY-attribute added to USE-statements,
33! kind-parameters added to all INTEGER and REAL declaration statements,
34! kinds are defined in new module kinds,
35! revision history before 2012 removed,
36! comment fields (!:) to be used for variable explanations added to
37! all variable declaration statements
38!
39! 1092 2013-02-02 11:24:22Z raasch
40! unused variables removed
41!
42! 1036 2012-10-22 13:43:42Z raasch
43! code put under GPL (PALM 3.9)
44!
45! Revision 1.1  1998/03/18 20:15:05  raasch
46! Initial revision
47!
48!
49! Description:
50! ------------
51! Initialization of CPU-time measurements for different operating systems
52!------------------------------------------------------------------------------!
53     
54    USE cpulog,                                                                &
55        ONLY:  initial_wallclock_time
56       
57    USE kinds
58
59    IMPLICIT NONE
60
61#if defined( __ibm )
62    INTEGER(idp)     ::  IRTC       !:
63#elif defined( __lc )
64    INTEGER(idp)     ::  count      !:
65    INTEGER(idp)     ::  count_rate !:
66#endif
67
68
69!
70!-- Get initial wall clock time
71#if defined( __ibm )
72
73    initial_wallclock_time = IRTC( ) * 1E-9_wp
74
75#elif defined( __lc )
76
77    CALL SYSTEM_CLOCK( count, count_rate )
78    initial_wallclock_time = REAL( count, KIND=wp ) / REAL( count_rate, KIND=wp )
79
80#else
81!
82!-- So far, nothing is done on these machines
83#endif
84
85
86 END SUBROUTINE local_tremain_ini
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