/* $OpenXM: OpenXM/src/asir-port/cgi/r-fd.rr,v 1.2 2014/07/31 06:24:11 takayama Exp $ */ load("tk_fd.rr")$ import("tk_r.rr")$ def r_ahvec(A,B,C,Y) { R=tk_fd.ygahvec(A,B,C,Y|all=1); Gamma=R[1]; Der=R[0]; Z=R[2]*Gamma; Der2 = newvect(length(Der)); for (I=0; I