é¡åã®éããªãã§ãããååã®è¨äºãPHP以å¤å ¨å¡ä¸æ£è§£ãã«å¯¾ãã¦ããã¦ãï¼ããé æ´ããã®ã§ã¾ã¨ãã¦ã¿ã¾ãã Cã®ãã®åä½ããå¯ä¸ç¡äºçµ¶å¯¾ã®ãã®ã§ããã¨ããæ ¹æ ã¯ã©ãã«ããã®ã§ãããã? strtod ã«ããã°ã If the subject sequence has the decimal form and at most DECIMAL_DIG (defined in ) significant digits, the result should be correctly rounded. If the subject sequence D has the decimal form and more than DECIMAL_DIG significant digits, consider the two bounding, adjacent decimal strings L and
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