比较浮点数的黄金法则 -- The golden rule for floating number comparison
Howtocomparefloatingnumbersisanooold,yetfrequentlyasked,question.HereIamnotgoingtorepeattheoldanswers,sinceasyouknowtonsofgoodlinksarethereinthewebthatexplainedwellhowfloatingnumberworksincomputersand