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authorScot Breitenfeld <brtnfld@hdfgroup.org>2015-08-11 01:22:33 (GMT)
committerScot Breitenfeld <brtnfld@hdfgroup.org>2015-08-11 01:22:33 (GMT)
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-!****p* Program/H5_buildiface
-!
-! NAME
-! Executable: H5_buildiface
-!
-! FILE
-! fortran/src/H5_buildiface.f90
-!
-! PURPOSE
-! This stand alone program is used at build time to generate the program
-! H5fortran_detect.f90. It cycles through all the available KIND parameters for
-! integers and reals. The appropriate program and subroutines are then generated
-! depending on which of the KIND values are found.
-!
-! NOTES
-! This program uses the Fortran 2008 intrinsic function STORAGE_SIZE or SIZEOF
-! depending on availablity.It generates code that makes use of
-! STORAGE_SIZE/SIZEOF in H5fortran_detect.f90. STORAGE_SIZE is standard
-! compliant and should always be chosen over SIZEOF.
-!
-! The availability of STORAGE_SIZE/SIZEOF is checked at configure time and the TRUE/FALSE
-! condition is set in the configure variable "FORTRAN_HAVE_STORAGE_SIZE" or
-! "FORTRAN_HAVE_SIZEOF".
-!
-! The use of C_SIZOF(X) is not used since the argument X must be an interoperable
-! data entity.
-!
-! 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. *
-! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
-!
-! AUTHOR
-! M. Scot Breitenfeld
-!
-!*****
-
-#include <H5config_f.inc>
-
-PROGRAM H5_test_buildiface
- USE, INTRINSIC :: ISO_C_BINDING
- IMPLICIT NONE
-
-! These values are valid REAL KINDs (with corresponding C float) found during configure
- H5_H5CONFIG_F_NUM_RKIND
- H5_H5CONFIG_F_RKIND
-! These values are valid INTEGER KINDs (with corresponding C integer) found during configure
- H5_H5CONFIG_F_NUM_IKIND
- H5_H5CONFIG_F_IKIND
-
- INTEGER :: i, j, k
- INTEGER :: ji, jr, jd
-#ifdef H5_FORTRAN_HAVE_C_LONG_DOUBLE
- REAL(KIND=C_LONG_DOUBLE) :: c_longdble
-#endif
- REAL(KIND=C_DOUBLE) :: c_dble
- REAL(KIND=C_FLOAT) :: c_flt
- INTEGER :: sizeof_var
- CHARACTER(LEN=2) :: chr2
-! subroutine rank of array being passed in
- CHARACTER(LEN=2), DIMENSION(1:8), PARAMETER :: chr_rank=(/"_0","_1","_2","_3","_4","_5","_6","_7"/)
-! rank definitions
- CHARACTER(LEN=70), DIMENSION(1:8), PARAMETER :: rank_dim_line=(/ &
- ' ', &
- ', DIMENSION(dims(1)) ', &
- ', DIMENSION(dims(1),dims(2)) ', &
- ', DIMENSION(dims(1),dims(2),dims(3)) ', &
- ', DIMENSION(dims(1),dims(2),dims(3),dims(4)) ', &
- ', DIMENSION(dims(1),dims(2),dims(3),dims(4),dims(5)) ', &
- ', DIMENSION(dims(1),dims(2),dims(3),dims(4),dims(5),dims(6)) ', &
- ', DIMENSION(dims(1),dims(2),dims(3),dims(4),dims(5),dims(6),dims(7))' &
- /)
-! pointer to the buffer
- CHARACTER(LEN=37), DIMENSION(1:8), PARAMETER :: f_ptr_line=(/ &
- ' f_ptr = C_LOC(buf) ', &
- ' f_ptr = C_LOC(buf(1)) ', &
- ' f_ptr = C_LOC(buf(1,1)) ', &
- ' f_ptr = C_LOC(buf(1,1,1)) ', &
- ' f_ptr = C_LOC(buf(1,1,1,1)) ', &
- ' f_ptr = C_LOC(buf(1,1,1,1,1)) ', &
- ' f_ptr = C_LOC(buf(1,1,1,1,1,1)) ', &
- ' f_ptr = C_LOC(buf(1,1,1,1,1,1,1))' &
- /)
-
-! Generate Fortran Check routines for the tests KIND interfaces.
-
- OPEN(11,FILE='tf_gen.F90')
- WRITE(11,'(40(A,/))') &
-'!****h* ROBODoc/TH5_MISC_gen.F90',&
-'!',&
-'! NAME',&
-'! TH5_MISC_gen',&
-'! ',&
-'! PURPOSE',&
-'! This module is generated at build by H5_test_buildiface.F90 to handle checking ',&
-'! in the tests all the detected KINDs.',&
-'!',&
-'! COPYRIGHT',&
-'! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *',&
-'! Copyright by The HDF Group. *',&
-'! 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. *',&
-'! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *',&
-'!',&
-'! AUTHOR',&
-'! H5_test_buildiface.F90',&
-'!',&
-'!*****'
-
- WRITE(11,'(a)') "MODULE TH5_MISC_gen"
-
- WRITE(11,'(A)') ' USE, INTRINSIC :: ISO_C_BINDING'
-
-! Interfaces for validating REALs, INTEGERs, CHARACTERs, LOGICALs
-
- WRITE(11,'(A)') ' INTERFACE verify'
- DO i = 1, num_rkinds
- j = rkind(i)
- WRITE(chr2,'(I2)') j
- WRITE(11,'(A)') " MODULE PROCEDURE verify_real_kind_"//TRIM(ADJUSTL(chr2))
- END DO
- DO i = 1, num_ikinds
- j = ikind(i)
- WRITE(chr2,'(I2)') j
- WRITE(11,'(A)') " MODULE PROCEDURE verify_integer_kind_"//TRIM(ADJUSTL(chr2))
- END DO
- WRITE(11,'(A)') " MODULE PROCEDURE verify_character"
- WRITE(11,'(A)') " MODULE PROCEDURE verify_logical"
- WRITE(11,'(A)') " END INTERFACE"
-
- WRITE(11,'(A)') ' INTERFACE check_real_eq'
- DO i = 1, num_rkinds
- j = rkind(i)
- WRITE(chr2,'(I2)') j
- WRITE(11,'(A)') " MODULE PROCEDURE real_eq_kind_"//TRIM(ADJUSTL(chr2))
- END DO
- WRITE(11,'(A)') " END INTERFACE"
-
- WRITE(11,'(A)') 'CONTAINS'
-
-! ***************************
-! VALIDATE INTEGERS
-! ***************************
- DO i = 1, num_ikinds
- k = ikind(i)
- WRITE(chr2,'(I2)') k
-! DLL definitions for windows
- WRITE(11,'(A)') '!DEC$if defined(BUILD_HDF5_TEST_DLL)'
- WRITE(11,'(A)') '!DEC$attributes dllexport :: verify_integer_kind_'//TRIM(ADJUSTL(chr2))
- WRITE(11,'(A)') '!DEC$endif'
-
-! Subroutine API
- WRITE(11,'(A)') ' SUBROUTINE verify_integer_kind_'//TRIM(ADJUSTL(chr2))//'(string,value,correct_value,total_error)'
- WRITE(11,'(A)') ' IMPLICIT NONE'
- WRITE(11,'(A)') ' CHARACTER(LEN=*) :: string'
- WRITE(11,'(A)') ' INTEGER(KIND='//TRIM(ADJUSTL(chr2))//') :: value, correct_value'
- WRITE(11,'(A)') ' INTEGER :: total_error'
- WRITE(11,'(A)') ' IF (value .NE. correct_value) THEN'
- WRITE(11,'(A)') ' total_error=total_error+1'
- WRITE(11,'(A)') ' WRITE(*,*) "ERROR: INCORRECT INTEGER VALIDATION ", string'
- WRITE(11,'(A)') ' ENDIF'
- WRITE(11,'(A)') ' END SUBROUTINE verify_integer_kind_'//TRIM(ADJUSTL(chr2))
- ENDDO
-
-! ***************************
-! VALIDATE REALS
-! ***************************
- DO i = 1, num_rkinds
- k = rkind(i)
- WRITE(chr2,'(I2)') k
-! DLL definitions for windows
- WRITE(11,'(A)') '!DEC$if defined(BUILD_HDF5_TEST_DLL)'
- WRITE(11,'(A)') '!DEC$attributes dllexport :: verify_real_kind_'//TRIM(ADJUSTL(chr2))
- WRITE(11,'(A)') '!DEC$endif'
-
-! Subroutine API
- WRITE(11,'(A)') ' SUBROUTINE verify_real_kind_'//TRIM(ADJUSTL(chr2))//'(string,value,correct_value,total_error)'
- WRITE(11,'(A)') ' IMPLICIT NONE'
- WRITE(11,'(A)') ' CHARACTER(LEN=*) :: string'
- WRITE(11,'(A)') ' REAL(KIND='//TRIM(ADJUSTL(chr2))//') :: value, correct_value'
- WRITE(11,'(A)') ' INTEGER :: total_error'
- WRITE(11,'(A)') ' IF (.NOT.real_eq_kind_'//TRIM(ADJUSTL(chr2))//'( value, correct_value) ) THEN'
- WRITE(11,'(A)') ' total_error=total_error+1'
- WRITE(11,'(A)') ' WRITE(*,*) "ERROR: INCORRECT REAL VALIDATION ", string'
- WRITE(11,'(A)') ' ENDIF'
- WRITE(11,'(A)') ' END SUBROUTINE verify_real_kind_'//TRIM(ADJUSTL(chr2))
-
-
-! ***********************************
-! TEST IF TWO REAL NUMBERS ARE EQUAL
-! ***********************************
-
-! [1] The test performed is
-!
-! ABS( x - y ) < ( ULP * SPACING( MAX(ABS(x),ABS(y)) ) )
-!
-! The numbers are considered equal if true
-!
-! The intrinsic function SPACING(x) returns the absolute spacing of numbers
-! near the value of x,
-!
-! { EXPONENT(x)-DIGITS(x)
-! { 2.0 for x /= 0
-! SPACING(x) = {
-! {
-! { TINY(x) for x == 0
-!
-! The ULP optional argument scales the comparison:
-!
-! Unit of data precision. The acronym stands for "unit in
-! the last place," the smallest possible increment or decrement
-! that can be made using a machine's floating point arithmetic.
-! A 0.5 ulp maximum error is the best you could hope for, since
-! this corresponds to always rounding to the nearest representable
-! floating-point number. Value must be positive - if a negative
-! value is supplied, the absolute value is used.
-! If not specified, the default value is 1.
-!
-! James Van Buskirk and James Giles suggested this method for floating
-! point comparisons in the comp.lang.fortran newsgroup.
-!
-! Reference: [1] Paul van Delst, paul.vandelst@ssec.wisc.edu
-
- WRITE(11,'(A)') '!DEC$if defined(BUILD_HDF5_TEST_DLL)'
- WRITE(11,'(A)') '!DEC$attributes dllexport :: real_eq_kind_'//TRIM(ADJUSTL(chr2))
- WRITE(11,'(A)') '!DEC$endif'
- WRITE(11,'(A)') ' LOGICAL FUNCTION real_eq_kind_'//TRIM(ADJUSTL(chr2))//'(a,b,ulp)'
- WRITE(11,'(A)') ' IMPLICIT NONE'
- WRITE(11,'(A)') ' REAL(KIND='//TRIM(ADJUSTL(chr2))//'), INTENT (in):: a,b'
- WRITE(11,'(A)') ' REAL(KIND='//TRIM(ADJUSTL(chr2))//') :: Rel'
- WRITE(11,'(A)') ' INTEGER, OPTIONAL, INTENT( IN ) :: ulp'
- WRITE(11,'(A)') ' IF ( PRESENT( ulp ) ) Rel = REAL( ABS(ulp), '//TRIM(ADJUSTL(chr2))//')'
- WRITE(11,'(A)') ' Rel = 1.0_'//TRIM(ADJUSTL(chr2))
- WRITE(11,'(A)') ' real_eq_kind_'//TRIM(ADJUSTL(chr2))//' = ABS( a - b ) < ( Rel * SPACING( MAX(ABS(a),ABS(b)) ) )'
- WRITE(11,'(A)') ' END FUNCTION real_eq_kind_'//TRIM(ADJUSTL(chr2))
- ENDDO
-
-! ***************************
-! VALIDATE CHARACTER STRINGS
-! ***************************
-
-! DLL definitions for windows
- WRITE(11,'(A)') '!DEC$if defined(BUILD_HDF5_TEST_DLL)'
- WRITE(11,'(A)') '!DEC$attributes dllexport :: verify_character'
- WRITE(11,'(A)') '!DEC$endif'
-
-! Subroutine API
- WRITE(11,'(A)') ' SUBROUTINE verify_character(string,value,correct_value,total_error)'
- WRITE(11,'(A)') ' IMPLICIT NONE'
- WRITE(11,'(A)') ' CHARACTER*(*) :: string'
- WRITE(11,'(A)') ' CHARACTER*(*) :: value, correct_value'
- WRITE(11,'(A)') ' INTEGER :: total_error'
- WRITE(11,'(A)') ' IF (TRIM(value) .NE. TRIM(correct_value)) THEN'
- WRITE(11,'(A)') ' total_error = total_error + 1'
- WRITE(11,'(A)') ' WRITE(*,*) "ERROR: INCORRECT VALIDATION ", string'
- WRITE(11,'(A)') ' ENDIF'
- WRITE(11,'(A)') ' END SUBROUTINE verify_character'
-
-! ***************************
-! VALIDATE LOGICAL
-! ***************************
-
-! DLL definitions for windows
- WRITE(11,'(A)') '!DEC$if defined(BUILD_HDF5_TEST_DLL)'
- WRITE(11,'(A)') '!DEC$attributes dllexport :: verify_logical'
- WRITE(11,'(A)') '!DEC$endif'
-! Subroutine API
- WRITE(11,'(A)') ' SUBROUTINE verify_logical(string,value,correct_value,total_error)'
- WRITE(11,'(A)') ' IMPLICIT NONE'
- WRITE(11,'(A)') ' CHARACTER(LEN=*) :: string'
- WRITE(11,'(A)') ' LOGICAL :: value, correct_value'
- WRITE(11,'(A)') ' INTEGER :: total_error'
- WRITE(11,'(A)') ' IF (value .NEQV. correct_value) THEN'
- WRITE(11,'(A)') ' total_error = total_error + 1'
- WRITE(11,'(A)') ' WRITE(*,*) "ERROR: INCORRECT VALIDATION ", string'
- WRITE(11,'(A)') ' ENDIF'
-
- WRITE(11,'(A)') ' END SUBROUTINE verify_logical'
-
- WRITE(11,'(A)') "END MODULE TH5_MISC_gen"
-
- CLOSE(11)
-
-END PROGRAM H5_test_buildiface
-
-
-