23 lines
936 B
Bash
23 lines
936 B
Bash
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#! /bin/sh
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# Script to generate Fortran 2003 wrappers for FFTW's MPI functions. This
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# is necessary because MPI provides no way to deal with C MPI_Comm handles
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# from Fortran (where MPI_Comm == integer), but does provide a way to
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# deal with Fortran MPI_Comm handles from C (via MPI_Comm_f2c). So,
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# every FFTW function that takes an MPI_Comm argument needs a wrapper
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# function that takes a Fortran integer and converts it to MPI_Comm.
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echo "/* Generated automatically. DO NOT EDIT! */"
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echo
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echo "#include \"fftw3-mpi.h\""
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echo "#include \"ifftw-mpi.h\""
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echo
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# Declare prototypes using FFTW_EXTERN, important for Windows DLLs
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grep -v 'mpi.h' fftw3-mpi.h | gcc -E -I../api - |grep "fftw_mpi_init" |tr ';' '\n' | grep "MPI_Comm" | perl genf03-wrap.pl | grep "MPI_Fint" | sed 's/^/FFTW_EXTERN /;s/$/;/'
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grep -v 'mpi.h' fftw3-mpi.h | gcc -E -I../api - |grep "fftw_mpi_init" |tr ';' '\n' | grep "MPI_Comm" | perl genf03-wrap.pl
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