M300433/develop2

Cleanup and warning fixing Also extraction of with #ifdef HAVE_LIBXX guarded sections

requested review from @m214003

assigned to @m300433

added 10 commits

• 7ad3cef2...4c3e6802 - 5 commits from branch develop
• 5fbda5fa - removed unused parameter
• 5cd57cb4 - fixed unused variable warning
• 8d29cbab - extracted fftw3 functions into their own fftw interface file
• 07bb0a01 - removed unused paramter xnsmooth
• daca5fc6 - fixed bandit tests: forgotten removal of extra parameter

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enabled an automatic merge when the pipeline for daca5fc6 succeeds

aborted the automatic merge because source branch was updated

added 1 commit

• cd73a075 - added fftw3.h include

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added 12 commits

• cd73a075...10be8018 - 6 commits from branch develop
• ebc81c34 - removed unused parameter
• cefcd202 - fixed unused variable warning
• e643d513 - extracted fftw3 functions into their own fftw interface file
• 67c0a438 - removed unused paramter xnsmooth
• 7bd292f1 - fixed bandit tests: forgotten removal of extra parameter
• e90f88b2 - added fftw3.h include

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enabled an automatic merge when the pipeline for e90f88b2 succeeds

aborted the automatic merge because target branch was updated

added 15 commits

• e90f88b2...4d5ddd79 - 9 commits from branch develop
• 901aca4f - removed unused parameter
• e3ddf4a5 - fixed unused variable warning
• 6f8fcbe4 - extracted fftw3 functions into their own fftw interface file
• ea424995 - removed unused paramter xnsmooth
• b713d862 - fixed bandit tests: forgotten removal of extra parameter
• 4939f941 - added fftw3.h include

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added 1 commit

• cf8851d6 - added missing includes in new cdo_fftw files

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merged