Issue #5521 has been reported by tadayoshi funaba. ---------------------------------------- Feature #5521: Numeric#rational????Numeric#complex????Numeric#float? ??¥çðÁ¥¹??? http://redmine.ruby-lang.org/issues/5521 Author: tadayoshi funaba Status: Open Priority: Normal Assignee: Category: core Target version: 2.0 ä»???®ã?¨ã????? Common Lisp ??? rationalp ??ªã?©ã?«ä¼¼???ä»?æ§????????????¦ã????¾ã????? rational? ??? Integer ??? Rational ??«å¯¾?????¦ã???????«ã?ªã????¾ã?????float? ??¯ç????? è¾¼ã?¿ã?«é?¢ã????¦ã?? Float ????????§ã??????????????以å????®å??è£???«ã?¤ã????¦ã??????????°ã??????????? ??«ã?ªã????¾ã?????complex? ??????æ§???§ã????? ??¥ã?®è???????¨ã????¦ã??Scheme ??®ã???????ªè¿°èª???«ä??æ§?å¤???´ã??????????????????????¾ã??????????®å?? ????????¯ã?©ã?¹ã??è¦??????®ã?§ã?¯ã?ªã????integer? ??¯ã??1???1.0???Rational(1) ??®ã??????????? 対ã????¦ã????????è¿????äº???«ã?ªã????¾ã????? ???????????«ã????¦ã????¹å????®ã?¯ã?©ã?¹ã?¨ä??対ä??対å?????????????®ã?¯æ???³ã????¦ã????¾ã???????? å®??????«ã??complex ??®å??è£???§ã??å¿?è¦???«ã?ªã?£ã?¦ã????¾ã?????ä»???¯ä????¹ã????ªã????®ã?§è?¡éº»??? ?????«è??????????®ã?§ã??????????²ã?¨ã?¤å?¥ã?®è??ç´???°ã???????£ã??????????¥ã?®æµ®???å°??°ç?¹æ?°å??è£???? ?????£ã????´å????«å¯¾å¿???§ã????¾ã???????? -- http://redmine.ruby-lang.org