asin (clj)

function

(asin a)

Returns the arc sine of an angle, in the range -pi/2 to pi/2. If a is ##NaN or |a|>1 => ##NaN If a is zero => zero with the same sign as a See: https://docs.oracle.com/javase/8/docs/api/java/lang/Math.html#asin-double-

Examples

clojure

(ns clojure.test-clojure.math
  (:require
    [clojure.test :refer :all]
    [clojure.math :as m]))

(deftest test-asin
  (is (NaN? (m/asin ##NaN)))
  (is (NaN? (m/asin 2.0)))
  (is (NaN? (m/asin -2.0)))
  (is (zero? (m/asin -0.0))))