casin

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Version: 2002-07-28 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)

Sommaire

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casin, casinf, casinl - Ê£ÁÇ¿ô¤ÎµÕÀµ¸¹ (arc sine)

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#include <complex.h>

double complex casin(double complex z);
float complex casinf(float complex z);
long double complex casinl(long double complex z);

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casin() ´Ø¿ô¤ÏÊ£ÁÇ¿ô¤Î asin() ¤ò·×»»¤¹¤ë¡£ y = casin(z) ¤Ê¤é¤Ð¡¢ z = csin(y) ¤¬À®Î©¤¹¤ë¡£ y ¤Î¼ÂÉô¤ÎÃͤ϶è´Ö [-pi/2,pi/2] ¤«¤éÁªÂò¤µ¤ì¤ë¡£

¼¡¤Î´Ø·¸¤¬À®Î©¤¹¤ë: casin(z) = -i clog(iz + csqrt(1 - z * z))

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C99

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ccos(3), clog(3), complex(7)