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View Code? Open in Web Editor NEWIEEE-754 format string converter.
IEEE-754 format string converter.
■これは何? IEEE-754フォーマットの16進表記と浮動小数点表記の相互変換Perlスクリプト。 ■使い方 ・浮動小数点→IEEE-754フォーマット '.'を含んだ数値を入力。 例) IEEE-754 format or Real number or 'q' : 2.3 [Enter] 2.3 => single:4013 3333 : 1000 4631 463 double:4002 6666 6666 6666 : 1000 0463 146 _ 1463 1463 146 ・IEEE-754フォーマット→浮動小数点 16進表記の8桁 or 16桁の文字列を入力。 例) IEEE-754 format or Real number or 'q' : 3fc00000 [Enter] 1.5 1.500000 1.500000e+000 IEEE-754 format or Real number or 'q' : 3ff8000000000000 [Enter] 1.5 1.500000 1.500000e+000 *)適当に空白を入れても可 IEEE-754 format or Real number or 'q' : 3fc0 0000 [Enter] 1.5 1.500000 1.500000e+000 ・簡易計算機機能 Perlの識別可能な数式を入力、末尾に'?'を付記。 IEEE-754 format or Real number or 'q' : 1+3? [Enter] Dec_4 Hex_4 Oct_4 4 => single:4080 0000 : 1004 0000 000 double:4010 0000 0000 0000 : 1000 4000 000 _ 0000 0000 000 IEEE-754 format or Real number or 'q' : 0x3000+20? [Enter] Dec_12308 Hex_3014 Oct_30024 12308 => single:4640 5000 : 1062 0050 000 double:40c8 0a00 0000 0000 : 1006 2005 000 _ 0000 0000 000 [EOF]
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