Synopsis
		sfnmo3mcmcspiral < inp.rsf t0sq=t0sqf.rsf rangecoef=rangecoeff.rsf offsetx=ofx.rsf offsety=ofy.rsf > out.rsf seed=time(NULL) sigma=1.0 saveiter=20 prior=n rational=n nmodel=1000

Parameters
		int nmodel=1000 Get the number of MC models   file offsetx= auxiliary input file name   file offsety= auxiliary input file name   bool prior=n [y/n] generate prior or posterior   file rangecoef= auxiliary input file name   bool rational=n [y/n] use rational approximation form of GMA   int saveiter=20 save state every iter   int seed=time(NULL) random seed   float sigma=1.0 noise variance   file t0sq= auxiliary input file name