clojure.core/float

View this page on ClojureDocs

Type: function Added: Clojure 1.0 Examples: 2 Runnable: 0

([x])

Coerce to float

Examples

by Miles on 2010-09-06 . May have evaluation errors. ▶

(float 1) ;;=> 1.0 (float 1.11) ;;=> 1.11 (float 1.111111111111111111111111111M) ;;=> 1.1111112 ;;;; Note that (float) range checks its argument and throws an exception ;;;; if the value is out of range. ;;;; Use (unchecked-float) instead if you want to skip the range checks. (float Double/MAX_VALUE) ;;=> IllegalArgumentException Value out of range for float: 1.7976931348623157E308 (unchecked-float Double/MAX_VALUE) ;;=> Infinity

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

;; Casting a string does not work (float "123.456") ;;=> Execution error (ClassCastException) at user/eval193 (REPL:1). ;;java.lang.String cannot be cast to java.lang.Number ;; Use Java interop instead (Float/parseFloat "123.456") ;;=> 123.456 ;; Content originally posted by u/didibus on https://clojuredocs.org/clojure.core/num

See also

• clojure.core/unchecked-float
• clojure.core/bigdec (2)

---

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