Linux Certif

Toute la documentation sur la certification Linux LPI

creal

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creal, crealf, creall - Ê£ÁÇ¿ô¤Î¼ÂÉô¤ò¼èÆÀ¤¹¤ë

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#include <complex.h>

double creal(double complex z);
float crealf(float complex z);
long double creall(long double complex z);

-lm ¤Ç¥ê¥ó¥¯¤¹¤ë¡£

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creal() ´Ø¿ô¤ÏÊ£ÁÇ¿ô z ¤Î¼ÂÉô¤òÊÖ¤¹¡£

¼¡¤Î´Ø·¸¤¬À®Î©¤¹¤ë: z = creal(z) + I * cimag(z)

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C99

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gcc ¤Ç¤Ï __real__ ¤ò»È¤¦¤³¤È¤â¤Ç¤­¤ë¤¬¡¢ ¤³¤ì¤Ï GNU ¤Ë¤è¤ë³ÈÄ¥¤Ç¤¢¤ë¡£

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cabs(3), cimag(3), complex(7)