87 lines
3.6 KiB
Fortran
87 lines
3.6 KiB
Fortran
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!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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! Copyright 2010 California Institute of Technology. ALL RIGHTS RESERVED.
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!
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! Licensed under the Apache License, Version 2.0 (the "License");
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! you may not use this file except in compliance with the License.
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! You may obtain a copy of the License at
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!
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! http://www.apache.org/licenses/LICENSE-2.0
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!
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! Unless required by applicable law or agreed to in writing, software
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! distributed under the License is distributed on an "AS IS" BASIS,
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! WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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! See the License for the specific language governing permissions and
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! limitations under the License.
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!
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! United States Government Sponsorship acknowledged. This software is subject to
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! U.S. export control laws and regulations and has been classified as 'EAR99 NLR'
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! (No [Export] License Required except when exporting to an embargoed country,
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! end user, or in support of a prohibited end use). By downloading this software,
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! the user agrees to comply with all applicable U.S. export laws and regulations.
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! The user has the responsibility to obtain export licenses, or other export
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! authority as may be required before exporting this software to any 'EAR99'
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! embargoed foreign country or citizen of those countries.
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!
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! Author: Giangi Sacco
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!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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module fortranUtils
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integer :: UNIT_STDERR = 0
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integer :: UNIT_STDOUT = 6
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integer :: UNIT_LOG = 1
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character*16 :: FILE_LOG = "isce_fortran.log"
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contains
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function getPI()
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double precision ::getPI
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getPI = 4.d0*atan(1.d0)
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end function getPI
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function getSpeedOfLight()
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double precision:: getSpeedOfLight
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getSpeedOfLight = 299792458.0d0
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end function getSpeedOfLight
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subroutine set_stdoel_units()
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implicit none
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logical UNITOK, UNITOP
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inquire (unit=UNIT_LOG, exist=UNITOK, opened=UNITOP)
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if (UNITOK .and. .not. UNITOP) then
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open(unit=UNIT_LOG, file=FILE_LOG, form="formatted", access="append", status="unknown")
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end if
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end subroutine
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subroutine c_to_f_string(pName,cString, cStringLen, fString, fStringLen)
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use iso_c_binding, only: c_char, c_null_char
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implicit none
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integer*4 fStringLen
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integer*4 cStringLen, i
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character*(*), intent(in) :: pName
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character*(*), intent(out) :: fString
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character(kind=c_char, len=1),dimension(cStringLen),intent(in):: cString
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!Check to amke sure the fString is large enough to hold the cString
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if( cStringLen-1 .gt. fStringLen ) then
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write(UNIT_STDOUT,*) "*** Error in fortranUtils::c_to_f_string ", &
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" called from program, ", pName
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write(UNIT_STDOUT,*) "variable fString of length, ", fStringLen, &
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"is not large enough to hold variable cString = ", &
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cString(1:cStringLen), " of length, ", cStringLen
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stop
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end if
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fString = ''
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do i = 1, cStringLen
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if(cString(i) .eq. c_null_char) then
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fStringLen = i-1
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exit
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else
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fString(i:i) = cString(i)
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end if
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end do
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end subroutine c_to_f_string
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end module
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