解釋如下浮點(diǎn)格式數(shù)據(jù)的有關(guān)概念: (1)數(shù)據(jù)上溢和數(shù)據(jù)下溢 (2)規(guī)格化有限數(shù)和非規(guī)格化有限數(shù) (3)NaN和無(wú)窮大