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acosh, acoshf — ???ж?;???ؿ?

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Math Library (libm, -lm)

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<math.h> double acosh(double x) float acoshf(float x)

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acosh() ?????? acoshf() ?ؿ??ϡ??¿??ΰ??? x ?ε??ж?;?????׻????ޤ??? ?ݤ??ˤ????????ε????ϡ? math(3) ?򻲾Ȥ??Ƥ?????????

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acosh() ?????? acoshf() ?ؿ??ϡ? x ???ж?;?????֤??ޤ??? VAX ?????? Tahoe ?Ǥϡ??????? 1 ?????⾮?????????ˡ? acosh() ?ϥ??????Х??ѿ? errno ?? EDOM ?????ꤷ??ͽ?󤵤줿???ڥ????ɥե????Ȥ??????????ޤ???

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asinh(3), atanh(3), exp(3), math(3)

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acosh() ?ؿ??ϡ? 4.3BSD ???о줷?ޤ?????