float.clj

(def
 #^{:doc "Type object for a Java primitive float array."}
 *float-array-type* (class (make-array Float/TYPE 0)))

(defmulti
  #^{:doc "Converts argument into a Java float array.  Argument may be
  a File, or another byte array.  If the argument is already
  a float array, returns it."
    :arglists '([arg])}
  to-float-array type)

(defmethod to-float-array *float-array-type* [x] x)

(defmethod to-float-array String [^String str]
  (to-float-array (io/as-file str)))

(defmethod to-float-array File [^File f]
  (to-float-array (io/to-byte-array f)))

(defmethod to-float-array io/*byte-array-type* [^bytes b]
  (-> b
      java.nio.ByteBuffer/wrap
      (.order java.nio.ByteOrder/LITTLE_ENDIAN)))