Added modul_swap(), prototype for modul_Vredc_mp(), speedup  for modul_sub() (good for P+1).
Added modul_swap(), prototype for modul_Vredc_mp(), speedup 
for modul_sub() (good for P+1).



git-svn-id: 189946a10c5fc96e9dd03ba7cba917cd4c3d09f4@937 de4796e2-0b1e-0410-91b4-86bc23549317

mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs,mancoast/cado-nfs