unchecked-multiply
- (unchecked-multiply x y)
Returns the product of x and y, both long. Note - uses a primitive operator subject to overflow.
© Rich Hickey. All rights reserved. Eclipse Public License 1.0
1 Example
;; the unchecked-multiply function silently overflows user=> (* 1000000000000 10) 10000000000000 user=> (unchecked-multiply 1000000000000 10) 10000000000000 user=> (* 3037000500 3037000500) ArithmeticException integer overflow clojure.lang.Numbers.throwIntOverflow (Numbers.java:1424) user=> (unchecked-multiply 3037000500 3037000500) -9223372036709301616