atanh

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Langue: ru

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Version: June 13, 1993 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)

Sommaire

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atanh - ÏÂÒÁÔÎÙÊ ÇÉÐÅÒÂÏÌÉÞÅÓËÉÊ ÔÁÎÇÅÎÓ

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#include <math.h>



double atanh(double x);

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æÕÎËÃÉÑ atanh() ×ÙÞÉÓÌÑÅÔ ÏÂÒÁÔÎÙÊ ÇÉÐÅÒÂÏÌÉÞÅÓËÉÊ ÔÁÎÇÅÎÓ ÄÌÑ ÁÒÇÕÍÅÎÔÁ x; ÜÔÏ ÞÉÓÌÏ, ÇÉÐÅÒÂÏÌÉÞÅÓËÉÊ ÔÁÎÇÅÎÓ ËÏÔÏÒÏÇÏ ÒÁ×ÅÎ x. åÓÌÉ ÍÏÄÕÌØ ÁÒÇÕÍÅÎÔÁ x ÂÏÌØÛÅ, ÞÅÍ 1.0, acosh() ×ÏÚ×ÒÁÝÁÅÔ ÚÎÁÞÅÎÉÅ "ÎÅ-ÞÉÓÌÏ" (NaN) É ÕÓÔÁÎÁ×ÌÉ×ÁÅÔ errno.

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EDOM
x ×ÙÈÏÄÉÔ ÚÁ ÐÒÅÄÅÌÙ ÏÂÌÁÓÔÉ ÏÐÒÅÄÅÌÅÎÉÑ.

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SVID 3, POSIX, BSD 4.3, ISO 9899

óíïôòé ôáëöå

asinh(3), acosh(3), cosh(3), sinh(3), tanh(3)