Missing declarations and other problems in the *.f03 files for FORTRAN

[brianreinhold]

I have downloaded the latest FFTW3 zip. I used Visual Studio's lib exe to generate the necessary lib files for the Intel Fortran compiler. Now I have a problem with the *.f03 files which define interfaces and parameters (constants).

• First, only one of the files, fftw3.f03, contained the necessary parameters used by the interface declarations.
• The other two, fftw3l.f03 and fftw3q.f03 contained no parameters at all.

I had to make module wrappers for the three files in order for the intel compiler to recognize and compile them. In order to do that I had to convert fftw3.f which contains a bunch of parameters, into a module. Then I had to use this module in the two module wrappers for the fftw3l.f03 and fftw3q.f03 files. In addition, in these two module wrappers I had to declare this parameter integer, parameter :: C_FFTW_R2R_KIND = C_INT32_T as it was not present in the two files and is not present in fftw3.f, but it IS present in fftw3.f03. So now I have three files, two of which look like this:

module FFTW3L_Module
    use, intrinsic :: iso_c_binding
    use FFTW3ParamsModule
    integer, parameter :: C_FFTW_R2R_KIND = C_INT32_T
    include 'fftw3l.f03'
end module FFTW3L_Module

and one of which looks like this

module FFTW3_Module
    use, intrinsic :: iso_c_binding
    include 'fftw3.f03'
end module FFTW3_Module

As I see it, there are three errors

1. The parameter C_FFTW_R2R_KIND = C_INT32_T is missing in two files
2. Two files need fftw3.f and one does not
3. Inconsistencies between the development and use of these files.