aww cool! thanks Cedric :)
On 28/05/13 18:02, Cedric Greevey wrote:
(defn acmp [a1 a2 tolerance]
(every? #(< % tolerance)
(map #(Math/abs (- %1 %2)) (seq a1) (seq a2))))
user=> (acmp (double-array [0.01 0.7 2.2])
(double-array [0.011 0.695 2.199])
0.01)
true
user=> (acmp (double-array [0.01 0.7 2.2])
(double-array [0.011 0.695 2.199])
0.005)
false
user=>
Will work on any seqables of float/double.
On Tue, May 28, 2013 at 12:57 PM, Jim - FooBar();
<jimpil1...@gmail.com <mailto:jimpil1...@gmail.com>> wrote:
ooo thanks Chris! I was suspecting the exact same thing because I
tried this:
(is (= (seq (aget ready 0))
(seq (aget ready 1))))
and got this:
expected: (= (seq (aget ready 0)) (seq (aget ready 1)))
actual: (not (= (-0.5345224838248488 0.2672612419124244
0.801783725737273*1*)
(-0.5345224838248488 0.2672612419124244
0.801783725737273*2*)))
observe the last digit of the 3rd number (the bold ones)! This is
why the test fails in Clojure...
thanks again :)
Jim
On 28/05/13 17:42, Jim - FooBar(); wrote:
Hi everyone,
sometimes I feel really stupid!
I am currently looking at a well-known java library's tests and
found this:
Assert.assertArrayEquals(arrayOutput[0], arrayOutput[1], 0.01);
//arrayOutput is a 2d double-array btw
since I've basically wrapped this lib, I'd like to port the java
tests as well. First of all, how do I compare 2 arrays in Clojure
without using .equals() which is broken for arrays. More
importantly, where on earth is that method (/assertArrayEquals/)?
Looking at the docs for JUnit [1], I can see no overload that
takes 2 arrays and a double!!! In fact the only methods that take
3 args expect a String as the first arg....what is happening? can
anyone shine some light please? I am utterly confused...
thanks in advance,
Jim
[1]http://junit.sourceforge.net/javadoc/org/junit/Assert.html
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