Contact:   V. Balaji
Reviewers: 
Change History:  WebCVS Log
Last Modified:  $Date: 2005/04/14 18:01:21 $

platform_mod is a module that provides public entities whose value may depend on the operating system and compiler.

The combination of operating system and compiler is referred to here as the platform. platform_mod provides:

  integer, parameter :: r8_kind, r4_kind, &
                        c8_kind, c4_kind, &
                        l8_kind, l4_kind, &
                        i8_kind, i4_kind, i2_kind

by use association. These are set to the appropriate KIND values that provide 4 and 8-byte versions of the fortran intrinsic types. The actual numerical value of the KIND may differ depending on platform.

These should be used when the actually bytelength of the variable is important. To specify numerical precision, Fortran recommends the use of the intrinsics SELECTED_REAL_KIND and SELECTED_INT_KIND.

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Any module or program unit using platform_mod must contain the line

use platform_mod

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The platform_mod source consists of the main source file platform.F90 and also requires the following include files:

fms_platform.h

GFDL users can check it out of the main CVS repository as part of the platform CVS module. The current public tag is fez. Public access to the GFDL CVS repository will soon be made available.

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