1 files changed, 33 insertions, 0 deletions
diff --git a/unittests/deltas-unittest.pd b/unittests/deltas-unittest.pd
new file mode 100644
index 0000000..2a5ee49
--- /dev/null
+++ b/unittests/deltas-unittest.pd
@@ -0,0 +1,33 @@
+#N canvas 429 42 759 521 10;
+#X obj 49 128 unit-test-frame;
+#X obj 49 58 loadbang;
+#X obj 397 67 - 1;
+#X msg 49 91 deltas 0;
+#X text 39 -60 deltas: generates vector with differences between last
+input and past inputs;
+#X text 235 31 x(i)-x(i-a);
+#X text 235 45 x(i)-x(i-(a+1));
+#X text 235 59 x(i)-x(i-(a+2));
+#X text 235 85 x(i)-x(i-(b));
+#X text 526 28 [deltas a b c];
+#X text 525 74 requires b<=c;
+#X text 525 58 c = buffer size;
+#X obj 370 -11 cos;
+#X obj 370 38 t b f;
+#X text 41 -22 ('vector' = list);
+#X obj 370 13 * 0.25;
+#X obj 370 -38 / 32;
+#X msg 427 67 clear;
+#X obj 370 96 smlib/deltas 64 64 128;
+#X connect 0 2 16 0;
+#X connect 0 3 17 0;
+#X connect 1 0 3 0;
+#X connect 2 0 18 0;
+#X connect 3 0 0 0;
+#X connect 12 0 15 0;
+#X connect 13 0 18 0;
+#X connect 13 1 2 0;
+#X connect 15 0 13 0;
+#X connect 16 0 12 0;
+#X connect 17 0 18 0;
+#X connect 18 0 0 1;