1 | MODULE par_kind |
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2 | !!====================================================================== |
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3 | !! *** MODULE par_kind *** |
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4 | !! Ocean : define the kind of real for the whole model |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2002-06 (G. Madec) Original code |
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7 | !! 3.3 ! 2010-12 (G. Madec) add a standard length of character strings |
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8 | !!---------------------------------------------------------------------- |
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9 | |
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10 | IMPLICIT NONE |
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11 | PRIVATE |
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12 | |
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13 | INTEGER, PUBLIC, PARAMETER :: jpbyt = 8 !: real size for mpp communications |
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14 | INTEGER, PUBLIC, PARAMETER :: jpbytda = 4 !: real size in input data files 4 or 8 |
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15 | |
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16 | ! Number model from which the SELECTED_*_KIND are requested: |
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17 | ! 4 byte REAL 8 byte REAL |
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18 | ! CRAY: - precision = 13 |
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19 | ! exponent = 2465 |
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20 | ! IEEE: precision = 6 precision = 15 |
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21 | ! exponent = 37 exponent = 307 |
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22 | |
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23 | ! !!** Floating point ** |
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24 | INTEGER, PUBLIC, PARAMETER :: sp = SELECTED_REAL_KIND( 6, 37) !: single precision (real 4) |
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25 | INTEGER, PUBLIC, PARAMETER :: dp = SELECTED_REAL_KIND(12,307) !: double precision (real 8) |
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26 | # if defined key_single |
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27 | INTEGER, PUBLIC, PARAMETER :: wp = sp !: working precision |
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28 | # else |
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29 | INTEGER, PUBLIC, PARAMETER :: wp = dp !: working precision |
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30 | # endif |
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31 | |
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32 | ! !!** Integer ** |
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33 | INTEGER, PUBLIC, PARAMETER :: i4 = SELECTED_INT_KIND( 9) !: single precision (integer 4) |
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34 | INTEGER, PUBLIC, PARAMETER :: i8 = SELECTED_INT_KIND(14) !: double precision (integer 8) |
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35 | |
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36 | ! !!** Integer ** |
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37 | INTEGER, PUBLIC, PARAMETER :: lc = 256 !: Lenght of Character strings |
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38 | INTEGER, PUBLIC, PARAMETER :: lca = 400 !: Lenght of Character arrays |
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39 | |
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40 | !!---------------------------------------------------------------------- |
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41 | !! NEMO 3.3 , NEMO Consortium (2018) |
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42 | !! $Id$ |
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43 | !! Software governed by the CeCILL license (see ./LICENSE) |
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44 | !!---------------------------------------------------------------------- |
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45 | END MODULE par_kind |
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