isfinite() is hard to get right
isfinite() is hard to get right

Change-Id: Iae369a1b057d207f18c8c0ea8ac4fb5437ff1da5

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core