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FABS
Section: Linux Programmer's Manual (3)Updated: 2001-06-07
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fabs, fabsf, fabsl - ÉâÆ°¾®¿ôÅÀ¼Â¿ô¤ÎÀäÂÐÃͽñ¼°
#include <math.h> double fabs(double x);
float fabsf(float x);
long double fabsl(long double x);
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fabs() ´Ø¿ô¤Ï SVID 3, POSIX, BSD 4.3, ISO 9899 ¤Ë½àµò¤¹¤ë¡£ ¤½¤Î¾¤Î´Ø¿ô¤Ï C99 ¤«¤éƳÆþ¤µ¤ì¤¿¡£´ØÏ¢¹àÌÜ
abs(3), ceil(3), floor(3), labs(3), rint(3)