Fixes for running on Fugaku:
intent on pointers in FFTW interface - tripped debug build on Fugaku
fix zeroing of unused parts of p201 - was still wrong when more than one tile has fewer elements
call fftw(f)_alloc_real depending on POIS_PRECISION - save memory by calling the correct fftw allocate.
Fixes for running on Fugaku: intent on pointers in FFTW interface - tripped debug build on Fugaku fix zeroing of unused parts of p201 - was still wrong when more than one tile has fewer elements call fftw(f)_alloc_real depending on POIS_PRECISION - save memory by calling the correct fftw allocate.