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/third_party/boost/boost/math/tools/
Droots.hpp410 T f_current = f0; in bracket_root_towards_max() local
413 while (--count && ((f_current < 0) == (f0 < 0))) in bracket_root_towards_max()
420 f_current = -f_current; // There must be a change of sign! in bracket_root_towards_max()
424 unpack_0(f(guess), f_current); in bracket_root_towards_max()
432 while (--count && ((f_current < 0) == (f0 < 0))) in bracket_root_towards_max()
439 f_current = -f_current; // There must be a change of sign! in bracket_root_towards_max()
443 unpack_0(f(guess), f_current); in bracket_root_towards_max()
451 … return (guess0 - guess) + bracket_root_towards_min(f, guess, f_current, min, max, count); in bracket_root_towards_max()
465 T f_current = f0; in bracket_root_towards_min() local
469 while (--count && ((f_current < 0) == (f0 < 0))) in bracket_root_towards_min()
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