(In Clojure 1.3-alpha-3, which I happen to have lying around):
double is a function, not a class. So, Clojure responds:
CompilerException java.lang.IllegalArgumentException: Unable to
resolve classname ...
(defn f [^double x] x) ; does not work because double is not a class
(defn f [^Double x] x) ; does work. Double is a class
(defn f [^Double/TYPE x] x) ; does not work. Double/TYPE is not a class,
; though it stands in for the java type 'double'
; for reflection.
Short answer: use ^Double
// Ben
On Wed, Dec 29, 2010 at 10:35, Sunil S Nandihalli
<[email protected]> wrote:
> Hello everybody,
> I tried to do the following and I am unable to compile this.
> (defn v-dot-double [[^double x1 ^double y1 ^double z1] [^double x2 ^double
> y2 ^double z2]]
> (+ (* x1 x2) (* y1 y2) (* z1 z2)))
> Am I doing it wrong?
> Sunil.
>
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