pfftss_plan_dft_2d 42 include/pfftss.h extern pfftss_plan pfftss_plan_dft_2d(long nx, long ny, long py, long oy, pfftss_plan_dft_2d 61 libpfftss/testmpi2d.c p = pfftss_plan_dft_2d(nx, ny, py, oy, ly, v, FFTSS_FORWARD, 0,