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Diffstat (limited to 'fortran/src/H5_ff_F03.f90')
-rw-r--r-- | fortran/src/H5_ff_F03.f90 | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/fortran/src/H5_ff_F03.f90 b/fortran/src/H5_ff_F03.f90 new file mode 100644 index 0000000..d418ed5 --- /dev/null +++ b/fortran/src/H5_ff_F03.f90 @@ -0,0 +1,75 @@ +!****h* ROBODoc/H5LIB_PROVISIONAL +! +! NAME +! MODULE H5LIB_PROVISIONAL +! +! PURPOSE +! This file contains helper functions for Fortran 2003 features and is +! only compiled when Fortran 2003 features are enabled, otherwise +! the file H5_ff_F90.f90 is compiled. +! +! COPYRIGHT +! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +! Copyright by The HDF Group. * +! Copyright by the Board of Trustees of the University of Illinois. * +! All rights reserved. * +! * +! This file is part of HDF5. The full HDF5 copyright notice, including * +! terms governing use, modification, and redistribution, is contained in * +! the files COPYING and Copyright.html. COPYING can be found at the root * +! of the source code distribution tree; Copyright.html can be found at the * +! root level of an installed copy of the electronic HDF5 document set and * +! is linked from the top-level documents page. It can also be found at * +! http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * +! access to either file, you may request a copy from help@hdfgroup.org. * +! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +! +! NOTES +! *** IMPORTANT *** +! If you add a new function you must add the function name to the +! Windows dll file 'hdf5_fortrandll.def.in' in the fortran/src directory. +! This is needed for Windows based operating systems. +!***** + +MODULE H5LIB_PROVISIONAL + +CONTAINS +!****f* H5LIB_PROVISIONAL/h5offsetof +! +! NAME +! h5offsetof +! +! PURPOSE +! Computes the offset in memory +! +! Inputs: +! start - starting pointer address +! end - ending pointer address +! +! Outputs: +! offset - offset of a member within the derived type +! +! AUTHOR +! M. Scot Breitenfeld +! Augest 25, 2008 +! +! ACKNOWLEDGEMENTS +! Joe Krahn +! +! Fortran2003 Interface: + FUNCTION h5offsetof(start,end) RESULT(offset) + USE, INTRINSIC :: ISO_C_BINDING + USE H5GLOBAL + IMPLICIT NONE + INTEGER(SIZE_T) :: offset + TYPE(C_PTR), VALUE, INTENT(IN) :: start, end +!***** + INTEGER(C_INTPTR_T) :: int_address_start, int_address_end + int_address_start = TRANSFER(start, int_address_start) + int_address_end = TRANSFER(end , int_address_end ) + + offset = int_address_end - int_address_start + + END FUNCTION h5offsetof + +END MODULE H5LIB_PROVISIONAL |