Searched refs:tderx (Results 1 – 2 of 2) sorted by relevance
418 double tval,tderx,tderxx; /* Function and deriv. local435 tderx = evals[1];448 ta11 = (gdiff[0]*tderxx - tderx*tderx);449 ta12 = (gdiff[0]*tderxy - tderx*tdery);450 ta21 = (gdiff[0]*tderxy - tderx*tdery);452 tb1 = -gdiff[0]*tderx;476 tdeltax = s1173_s9del(gdiff,&tderx,&tderxx,1);
371 double tderx,tderxx; /* Derivatives */ local378 tderx = evals[1];395 tb1 = -tderx;