2 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
6 * A PICTURE RECONSTRUCTION PROGRAM *
8 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
10 snfft.h,v 1.2 2008/08/25 16:11:09 jklukowska Exp
16 void snfft(REAL* x, INTEGER* n, INTEGER invdir);