Linux Certif

Toute la documentation sur la certification Linux LPI

isgreater

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isgreater, isgreaterequal, isless, islessgreater, isunordered - ´Ø·¸¤ò¥Æ¥¹¥È¤¹¤ë¥Þ¥¯¥í

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#include <math.h>



int isgreater(x,y);



int isgreaterequal(x,y);



int isless(x,y);



int islessequal(x,y);



int islessgreater(x,y);



int isunordered(x,y);

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isgreater()

(x) > (y) ¤ò·èÄꤹ¤ë¡£x ¤Þ¤¿¤Ï y ¤¬ NaN ¤Ç¤âÎã³°¤òȯÀ¸¤·¤Ê¤¤¡£

isgreaterequal()

(x) >= (y) ¤ò·èÄꤹ¤ë¡£x ¤Þ¤¿¤Ï y ¤¬ NaN ¤Ç¤âÎã³°¤òȯÀ¸¤·¤Ê¤¤¡£

isless()

(x) < (y) ¤ò·èÄꤹ¤ë¡£x ¤Þ¤¿¤Ï y ¤¬ NaN ¤Ç¤âÎã³°¤òȯÀ¸¤·¤Ê¤¤¡£

islessequal()

(x) <= (y) ¤ò·èÄꤹ¤ë¡£x ¤Þ¤¿¤Ï y ¤¬ NaN ¤Ç¤âÎã³°¤òȯÀ¸¤·¤Ê¤¤¡£

islessgreater()

(x) < (y) || (x) > (y) ¤ò·èÄꤹ¤ë¡£x ¤Þ¤¿¤Ï y ¤¬ NaN ¤Ç¤âÎã³°¤òȯÀ¸¤·¤Ê¤¤¡£ ¤³¤Î¥Þ¥¯¥í¤Ï x != y ¤ÈÅù²Á¤Ç¤Ï¤Ê¤¤¡£ ¤Ê¤¼¤Ê¤é¡¢¤³¤Îɾ²Á¼°¤Ï x ¤Þ¤¿¤Ï y ¤¬ NaN ¤Î¾ì¹ç¤Ë true ¤È¤Ê¤ë¤¿¤á¤Ç¤¢¤ë¡£

isunordered()

x ¤Þ¤¿¤Ï y ¤¬ NaN ¤Î¾ì¹ç¤Ë true ¤È¤Ê¤ë¡£ ¤½¤ì°Ê³°¤Î¾ì¹ç¤Ï false ¤Ë¤Ê¤ë¡£

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fpclassify(3), isnan(3)