clojure.core/abs

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Type: function Added: Clojure 1.11 Examples: 2 Runnable: 2

([a])

Returns the absolute value of a. If a is Long/MIN_VALUE => Long/MIN_VALUE If a is a double and zero => +0.0 If a is a double and ##Inf or ##-Inf => ##Inf If a is a double and ##NaN => ##NaN

Examples

by edipofederle on 2023-11-22 ▶

(abs -10) ;; => 10

by cljlc on 2025-02-08 ▶

;; As indicated in its documentation, abs can return a negative value! (abs Long/MIN_VALUE) ;;=> -9223372036854775808 ;; This is, because -Long/MIN_VALUE > Long/MAX_VALUE: ;; (* -1 Long/MIN_VALUE) ;;=> Execution error (ArithmeticException) at java.lang.Math/multiplyExact ;;=> (Math.java:1032). ;;=> long overflow

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