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Lines Matching refs:f_h

359             // F_l and f_h are always the approximate images of l and h.
360             // At any point, arg is between f_l and f_h, or no more than
361             // one outside [f_l, f_h].
369             // At the endpoints of the interval, f_l and f_h may correspond
376             BigInteger h, f_h;
386                 f_h = f_high[0].get_appr(working_eval_prec);
391                   if (f_h.compareTo(arg_appr.subtract(big1)) < 0
414                     f_h = f_high[0].get_appr(working_eval_prec);
418                     f_h = fn.execute(h_cr).get_appr(working_eval_prec);
440                 trace("f(l) = " + f_l); trace("f(h) = " + f_h);
445                 BigInteger f_difference = f_h.subtract(f_l);
522                                 f_h = f_high[0].get_appr(working_eval_prec);
524                                 f_h = fn.execute(h_cr)
546                         f_h = f_guess;