在Swift中,如何检查计算结果是否为无限大?
我的代码打印出"dividepointsbyrest是inf"后崩溃了。 "if dividepointsbyrest != nil" 可以检查是否为nil。但是 'if dividepointsbyrest != inf' 是行不通的。
var dividepointsbyrest = (BPMpoints / restDouble)
print("dividepointsbyrest is")
print(dividepointsbyrest)
var BPMpercentD = 100.0 * dividepointsbyrest