| 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 : |
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| 7 | !! 8.5 02/06 (G. Madec) Original code |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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| 10 | !! $Id$ |
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| 11 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | |
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| 14 | IMPLICIT NONE |
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| 15 | PRIVATE |
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| 16 | |
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| 17 | INTEGER, PUBLIC, PARAMETER :: & !: |
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| 18 | jpbyt = 8 , & !: real size for mpp communications |
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| 19 | jpbytda = 4 , & !: real size in input data files 4 or 8 |
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| 20 | jpbi3e = 4 !: real size for T3E |
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| 21 | |
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| 22 | ! Number model from which the SELECTED_*_KIND are requested: |
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| 23 | ! 4 byte REAL 8 byte REAL |
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| 24 | ! CRAY: - precision = 13 |
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| 25 | ! exponent = 2465 |
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| 26 | ! IEEE: precision = 6 precision = 15 |
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| 27 | ! exponent = 37 exponent = 307 |
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| 28 | |
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| 29 | INTEGER, PUBLIC, PARAMETER :: & !: Floating point section |
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| 30 | sp = SELECTED_REAL_KIND( 6, 37), & !: single precision (real 4) |
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| 31 | dp = SELECTED_REAL_KIND(12,307), & !: double precision (real 8) |
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| 32 | wp = dp !: working precision |
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| 33 | |
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| 34 | INTEGER, PUBLIC, PARAMETER :: & !: Integer section |
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| 35 | i4 = SELECTED_INT_KIND(9) , & !: single precision (integer 4) |
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| 36 | i8 = SELECTED_INT_KIND(14) !: double precision (integer 8) |
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| 37 | |
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| 38 | !!---------------------------------------------------------------------- |
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| 39 | END MODULE par_kind |
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