INFINITY in Swift Lang -


according apple's documentation, swift doesn't support preprocessor directives. in c/objective-c "infinity" definition useful checks. so, how number never less another?

there buildin infinity , check function. , directly compare them <.

var infinity = double.infinity var isinfinite = infinity.isinfinite var somedouble = 234432.0 if somedouble < infinity {     println("less than") } else {     println("small than") } // , answer less than.

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