 |
|
|
Home :: International :: Manuals :: Howto :: FAQ :: Man Pages :: Email Login |
ACOS
Section: Linux Programmer's Manual (3)Updated: June 8, 1993
Index Return to Main Contents
NAME
acos - µÕ;¸¹¡Ê¥¢¡¼¥¯¥³¥µ¥¤¥ó¡Ë´Ø¿ô½ñ¼°
#include <math.h> double acos(double x);
ÀâÌÀ
acos() ´Ø¿ô¤Ï x ¤ÎµÕ;¸¹¡Ê¥¢¡¼¥¯¥³¥µ¥¤¥ó¡Ë¤ò·×»»¤¹¤ë¡£ ¤¹¤Ê¤ï¤Á¡¢¤½¤Î;¸¹(¥³¥µ¥¤¥ó)¤¬ x ¤È¤Ê¤ëÃͤǤ¢¤ë¡£ ¤â¤· x ¤¬ -1 ¤«¤é 1 ¤ÎÈϰϤγ°¤Ë¤¢¤ì¤Ð¡¢ acos() ¤Ï¼ºÇÔ¤· errno ¤¬ ÀßÄꤵ¤ì¤ë¡£ÊÖ¤êÃÍ
acos() ´Ø¿ô¤Ï¥é¥¸¥¢¥óñ°Ì¤ÎµÕ;¸¹¤ÎÃͤòÊÖ¤·¡¢ ÃÍ¤Ï 0 ¤È PI (ξü¤ò´Þ¤à) ¤Î´Ö¤Ë¤Ê¤ë¤è¤¦¤Ë¿ô³ØŪ¤ËÄêµÁ¤µ¤ì¤Æ ¤¤¤ë¡£¥¨¥é¡¼
- EDOM
- x ¤ÏÈϰϳ°¤Ç¤¢¤ë¡£
½àµò
SVID 3, POSIX, BSD 4.3, ISO 9899´ØÏ¢¹àÌÜ
asin(3), atan(3), atan2(3), cos(3), sin(3), tan(3)