| 1 | !> @file mod_kinds.f90 |
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| 2 | !------------------------------------------------------------------------------! |
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| 3 | ! This file is part of the PALM model system. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2018 Leibniz Universitaet Hannover |
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| 18 | !------------------------------------------------------------------------------! |
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| 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ------------------ |
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| 22 | ! |
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| 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: mod_kinds.f90 2718 2018-01-02 08:49:38Z Giersch $ |
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| 27 | ! Corrected "Former revisions" section |
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| 28 | ! |
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| 29 | ! 2696 2017-12-14 17:12:51Z kanani |
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| 30 | ! Change in file header (GPL part) |
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| 31 | ! |
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| 32 | ! 2101 2017-01-05 16:42:31Z suehring |
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| 33 | ! |
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| 34 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 35 | ! Forced header and separation lines into 80 columns |
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| 36 | ! |
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| 37 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 38 | ! Code annotations made doxygen readable |
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| 39 | ! |
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| 40 | ! 1306 2014-03-13 14:30:59Z raasch |
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| 41 | ! Initial revision |
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| 42 | ! |
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| 43 | ! Description: |
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| 44 | ! ------------ |
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| 45 | !> Standard kind definitions |
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| 46 | !> wp (working precision) and iwp (integer working precision) are the kinds |
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| 47 | !> used by default in all variable declarations. |
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| 48 | !> By default, PALM is using wp = dp (64bit), and iwp = isp (32bit). |
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| 49 | !> If you like to switch to other precision, then please set wp/iwp |
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| 50 | !> appropriately by assigning other kinds below. |
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| 51 | !------------------------------------------------------------------------------! |
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| 52 | MODULE kinds |
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| 53 | |
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| 54 | |
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| 55 | IMPLICIT NONE |
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| 56 | |
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| 57 | ! |
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| 58 | !-- Floating point kinds |
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| 59 | INTEGER, PARAMETER :: sp = 4 !< single precision (32 bit) |
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| 60 | INTEGER, PARAMETER :: dp = 8 !< double precision (64 bit) |
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| 61 | |
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| 62 | ! |
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| 63 | !-- Integer kinds |
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| 64 | INTEGER, PARAMETER :: isp = SELECTED_INT_KIND( 9 ) !< single precision (32 bit) |
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| 65 | INTEGER, PARAMETER :: idp = SELECTED_INT_KIND( 14 ) !< double precision (64 bit) |
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| 66 | |
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| 67 | ! |
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| 68 | !-- Set kinds to be used as defaults |
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| 69 | INTEGER, PARAMETER :: wp = dp !< default real kind |
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| 70 | INTEGER, PARAMETER :: iwp = isp !< default integer kind |
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| 71 | |
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| 72 | SAVE |
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| 73 | |
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| 74 | END MODULE kinds |
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