source:
branches/2013/dev_rev4119_MERCATOR4_CONFMAN/NEMOGCM/TOOLS/SIREN/src/phycst.f90
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1 | !---------------------------------------------------------------------- |
2 | ! NEMO system team, System and Interface for oceanic RElocable Nesting |
3 | !---------------------------------------------------------------------- |
4 | ! |
5 | ! MODULE: phycst |
6 | ! |
7 | ! DESCRIPTION: |
8 | !> @brief This module defines physical constant. |
9 | ! |
10 | !> @author |
11 | !> J.paul |
12 | ! REVISION HISTORY: |
13 | !> @date Nov, 2013 - Initial Version |
14 | ! |
15 | !> @note Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
16 | !---------------------------------------------------------------------- |
17 | MODULE phycst |
18 | USE kind ! F90 kind parameter |
19 | |
20 | IMPLICIT NONE |
21 | |
22 | PUBLIC :: dg_pi !< pi |
23 | PUBLIC :: dg_eps !< epsilon value |
24 | PUBLIC :: dg_rearth !< earth radius (km) |
25 | PUBLIC :: dg_deg2rad !< |
26 | PRIVATE |
27 | ! NOTE_avoid_public_variables_if_possible |
28 | |
29 | REAL(dp), PARAMETER :: dg_pi = 3.14159274101257_dp |
30 | REAL(dp), PARAMETER :: dg_eps = EPSILON(1._dp) |
31 | REAL(dp), PARAMETER :: dg_rearth = 6871._dp |
32 | REAL(dp), PARAMETER :: dg_deg2rad = dg_pi/180.0 |
33 | |
34 | END MODULE phycst |
35 |
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