clojure.core/double

View this page on ClojureDocs

Type: function Added: Clojure 1.0 Examples: 3 Runnable: 2

([x])

Coerce to double

Examples

by Miles on 2010-09-06 ▶

(double 1) 1.0

by yuxuan813 on 2018-03-28 ▶

;; Ratios can be explicitly coerced to a floating-point representation: (double 1/3) ;= 0.3333333333333333

by wdhowe on 2020-08-05 . May have evaluation errors. ▶

;; Casting a string does not work (double "123.456") ;;=> Execution error (ClassCastException) at user/eval197 (REPL:1). ;;java.lang.String cannot be cast to java.lang.Number ;; Use parse-double instead (parse-double "123.456") ;;=> 123.456 ;; Content originally posted by u/didibus on https://clojuredocs.org/clojure.core/num

See also

• clojure.core/float (0)
• clojure.core/bigdec (2)
• clojure.core/parse-double

---

Content from the matching ClojureDocs page, with authors credited on each contribution.