if(isnan(f1) || isnan(f2)) error->one(FLERR,"NaN detected in secant solver.");
temp = t1;
temp = MAX(temp,tb->lo);
temp = MIN(temp,tb->hi);
char str[256];
sprintf(str,"Secant solver did not converge because table bounds were exceeded: it=%d id=%d ui=%lf thetai=%lf t1=%lf t2=%lf f1=%lf f2=%lf dpdTheta=%lf\n",it,id,ui,thetai,t1,t2,f1,f2,temp);