# HG changeset patch
# User Chris Cannam
# Date 1399890590 -3600
# Node ID 8651089f9d1c2581f12f6209cabb162741eaa8a5
# Parent  4d287bb157e4b12aa2211583f3acb77f27cd20c5
Need abs diff

diff -r 4d287bb157e4 -r 8651089f9d1c src/may/stream/test/test_convolve.yeti
--- a/src/may/stream/test/test_convolve.yeti	Mon May 12 11:24:47 2014 +0100
+++ b/src/may/stream/test/test_convolve.yeti	Mon May 12 11:29:50 2014 +0100
@@ -149,7 +149,7 @@
           ((convolve.convolvedWith p ir s).read (siglen + irlen - 1));
     done signals params;
     diffs = map do c:
-        vec.max (vec.subtract c (head convolved))
+        vec.max (vec.abs (vec.subtract c (head convolved)))
     done convolved;
     all id (map (compareUsing do a b: abs (a - b) < 1e-12 done (head diffs)) diffs);
 ),