\u4ee5\u524d\u306b\u3082\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u6709\u52b9\u6570\u5b57\u3092 Python \u3067\u53d6\u5f97\u3059\u308b\u30b3\u30fc\u30c9\u3092\u518d\u63b2\u3057\u307e\u3059\u3002\u5f0f\u3092\u6587\u5b57\u5217\u3067 getSignificantFigures \u306b\u6e21\u3057\u307e\u3059\u3002<\/p>\n
%reset -f\r\n\r\nimport sys\r\n#from sympy import *\r\nimport sympy\r\n\r\ndef getSignificantFigures(tmpStr):\r\n\r\n def mainProcess(tmpStr):\r\n workingString = tmpStr\r\n index_e = tmpStr.find('e')\r\n index_E = tmpStr.find('E')\r\n\r\n if index_e != -1:\r\n workingString = tmpStr[:index_e]\r\n if index_E != -1:\r\n workingString = tmpStr[:index_E]\r\n\r\n workingString = workingString.replace('+',"")\r\n workingString = workingString.replace('-',"")\r\n workingString = workingString.replace('.',"")\r\n\r\n while workingString[0] == '0' and len(workingString) > 1:\r\n workingString = workingString[1:]\r\n\r\n significantFigures = len(workingString) \r\n\r\n return significantFigures\r\n\r\n message = "none"\r\n significantFigures = -1\r\n\r\n typeArray = ["<class 'sympy.core.numbers.Integer'>", "<class 'sympy.core.numbers.Float'>", "<class 'sympy.core.numbers.Zero'>", "<class 'sympy.core.numbers.One'>", "<class 'sympy.core.numbers.NegativeOne'>"]\r\n\r\n tmpStr = tmpStr.replace(' ',"")\r\n\r\n try:\r\n expr = sympy.sympify(tmpStr, evaluate=False)\r\n except Exception as ex:\r\n expr = ex\r\n\r\n exprClass = str(type(expr))\r\n\r\n if exprClass == "<class 'sympy.core.sympify.SympifyError'>": \r\n return significantFigures, "is not numerical value or expression."\r\n\r\n # \u4ee5\u4e0b\u3001\u3068\u308a\u3042\u3048\u305a\u6570\u5f0f\u306b\u306f\u306a\u3063\u3066\u3044\u308b \r\n # \u6307\u6570\u90e8\u306e\u8868\u8a18\u304c\u7570\u306a\u308b\u5834\u5408\u3078\u306e\u5bfe\u5fdc\r\n\r\n tmpStr2 = tmpStr.replace('*10^',"e")\r\n tmpStr2 = tmpStr2.replace('*10**',"e") \r\n\r\n try:\r\n expr2 = sympy.sympify(tmpStr2, evaluate=False)\r\n except Exception as ex:\r\n expr2 = ex\r\n\r\n expr2Class = str(type(expr2)) \r\n\r\n if exprClass in typeArray: \r\n significantFigures = mainProcess(tmpStr) \r\n return significantFigures, "float or integer"\r\n\r\n elif expr2Class in typeArray:\r\n significantFigures = mainProcess(tmpStr2) \r\n return significantFigures, "you use 10^ or 10**."\r\n\r\n else:\r\n return significantFigures, "it does not have the form of a simple number."\r\n\r\n\r\n\r\n\r\n\r\ntestArray = []\r\n\r\ntestArray.append('0')\r\ntestArray.append('1')\r\ntestArray.append('-1')\r\ntestArray.append('2') \r\ntestArray.append('100')\r\ntestArray.append('123')\r\ntestArray.append('0.010')\r\ntestArray.append('0.012')\r\ntestArray.append('0.00123')\r\n\r\ntestArray.append('-123')\r\ntestArray.append('- 123') # \u7b26\u53f7\u3068\u306e\u9593\u306b\u7a7a\u767d\r\ntestArray.append('-123 ') # \u53f3\u5074\u306b\u7a7a\u767d\r\ntestArray.append(' - 123 ') # \u591a\u6570\u306e\u7a7a\u767d\r\ntestArray.append(' -0123 ') \r\ntestArray.append('-0.123')\r\n\r\ntestArray.append('0.12e-3')\r\ntestArray.append('-0.12e-3')\r\ntestArray.append('-0.12E-3')\r\ntestArray.append('-0.0120e-3')\r\ntestArray.append(' + 0.01200e-3')\r\ntestArray.append('-2.14*10^3')\r\ntestArray.append('-2.14*10**3')\r\n\r\ntestArray.append('123*10^2*3*10^2')\r\ntestArray.append('x*y') \r\ntestArray.append('sin(x)') \r\ntestArray.append('x[0]') \r\ntestArray.append('x1') \r\ntestArray.append('2*pi') \r\n\r\n\r\n\r\n\r\nfor i in range(len(testArray)):\r\n\r\n tmpStr = testArray[i]\r\n significantFigures = -1\r\n \r\n print('\\nNo. ' + str(i))\r\n print('"' + tmpStr + '"')\r\n \r\n significantFigures, message = getSignificantFigures(tmpStr)\r\n \r\n print(message)\r\n print('significantFigures : ' + str(significantFigures))\r\n<\/code><\/pre>\n\u8fd4\u4e8b\u306f\u3001\u6709\u52b9\u6570\u5b57\u306e\u6841\u6570\u3068\u6587\u5b57\u5217\u306e\u5185\u5bb9\u306b\u95a2\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3067\u3059\u3002\u4e0b\u8a18\u304c\u7d50\u679c\u3067\u3059\u3002<\/p>\n
\u200b\r\nNo. 0\r\n"0"\r\nfloat or integer\r\nsignificantFigures : 1\r\n\r\nNo. 1\r\n"1"\r\nfloat or integer\r\nsignificantFigures : 1\r\n\r\nNo. 2\r\n"-1"\r\nfloat or integer\r\nsignificantFigures : 1\r\n\r\nNo. 3\r\n"2"\r\nfloat or integer\r\nsignificantFigures : 1\r\n\r\nNo. 4\r\n"100"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 5\r\n"123"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 6\r\n"0.010"\r\nfloat or integer\r\nsignificantFigures : 2\r\n\r\nNo. 7\r\n"0.012"\r\nfloat or integer\r\nsignificantFigures : 2\r\n\r\nNo. 8\r\n"0.00123"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 9\r\n"-123"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 10\r\n"- 123"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 11\r\n"-123 "\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 12\r\n" - 123 "\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 13\r\n" -0123 "\r\nis not numerical value or expression.\r\nsignificantFigures : -1\r\n\r\nNo. 14\r\n"-0.123"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 15\r\n"0.12e-3"\r\nfloat or integer\r\nsignificantFigures : 2\r\n\r\nNo. 16\r\n"-0.12e-3"\r\nfloat or integer\r\nsignificantFigures : 2\r\n\r\nNo. 17\r\n"-0.12E-3"\r\nfloat or integer\r\nsignificantFigures : 2\r\n\r\nNo. 18\r\n"-0.0120e-3"\r\nfloat or integer\r\nsignificantFigures : 3\r\n\r\nNo. 19\r\n" + 0.01200e-3"\r\nfloat or integer\r\nsignificantFigures : 4\r\n\r\nNo. 20\r\n"-2.14*10^3"\r\nyou use 10^ or 10**.\r\nsignificantFigures : 3\r\n\r\nNo. 21\r\n"-2.14*10**3"\r\nyou use 10^ or 10**.\r\nsignificantFigures : 3\r\n\r\nNo. 22\r\n"123*10^2*3*10^2"\r\nit does not have the form of a simple number.\r\nsignificantFigures : -1\r\n\r\nNo. 23\r\n"x*y"\r\nit does not have the form of a simple number.\r\nsignificantFigures : -1\r\n\r\nNo. 24\r\n"sin(x)"\r\nit does not have the form of a simple number.\r\nsignificantFigures : -1\r\n\r\nNo. 25\r\n"x[0]"\r\nit does not have the form of a simple number.\r\nsignificantFigures : -1\r\n\r\nNo. 26\r\n"x1"\r\nit does not have the form of a simple number.\r\nsignificantFigures : -1\r\n\r\nNo. 27\r\n"2*pi"\r\nit does not have the form of a simple number.\r\nsignificantFigures : -1\r\n\r\n\u200b<\/code><\/pre>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u4ee5\u524d\u306b\u3082\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3057\u305f\u304c\u3001\u6709\u52b9\u6570\u5b57\u3092 Python \u3067\u53d6\u5f97\u3059\u308b\u30b3\u30fc\u30c9\u3092\u518d\u63b2\u3057\u307e … Read More »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-12289","post","type-post","status-publish","format-standard","hentry","category-column"],"_links":{"self":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12289","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12289"}],"version-history":[{"count":7,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12289\/revisions"}],"predecessor-version":[{"id":12297,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/12289\/revisions\/12297"}],"wp:attachment":[{"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12289"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12289"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zairyo.susi.oita-u.ac.jp\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12289"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}