source: LMDZ6/branches/Amaury_dev/libf/misc/lmdz_physical_constants.f90 @ 5153

Last change on this file since 5153 was 5119, checked in by abarral, 2 months ago

enforce PRIVATE by default in several modules, expose PUBLIC as needed
move eigen.f90 to obsolete/
(lint) aslong the way

File size: 915 bytes
Line 
1MODULE lmdz_physical_constants
2
3  IMPLICIT NONE; PRIVATE
4  PUBLIC k8, PI, PIO2, TWOPI, SQRT2, EULER, PI_D, PIO2_D, TWOPI_D
5
6  INTEGER, parameter :: k8 = selected_real_kind(13)
7
8  ! Frequently used mathematical constants (with precision to spare):
9
10  REAL, PARAMETER :: PI = 3.141592653589793238462643383279502884197
11  REAL, PARAMETER :: PIO2 = 1.57079632679489661923132169163975144209858
12  REAL, PARAMETER :: TWOPI = 6.283185307179586476925286766559005768394
13  REAL, PARAMETER :: SQRT2 = 1.41421356237309504880168872420969807856967
14  REAL, PARAMETER :: EULER = 0.5772156649015328606065120900824024310422
15
16  REAL(K8), PARAMETER :: &
17          PI_D = 3.141592653589793238462643383279502884197_k8
18  REAL(K8), PARAMETER :: &
19          PIO2_D = 1.57079632679489661923132169163975144209858_k8
20  REAL(K8), PARAMETER :: &
21          TWOPI_D = 6.283185307179586476925286766559005768394_k8
22
23END MODULE lmdz_physical_constants
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