Minor tidy-ups to MTDM code; add test.

git-svn-id: svn://localhost/ardour2/branches/3.0@12527 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 29 insertions, 0 deletions

diff --git a/libs/ardour/test/mtdm_test.cc b/libs/ardour/test/mtdm_test.cc
new file mode 100644
index 0000000000..e409bd664a
--- /dev/null
+++ b/libs/ardour/test/mtdm_test.cc
@@ -0,0 +1,29 @@
+#include <cstring>
+#include <cmath>
+#include "ardour/mtdm.h"
+#include "mtdm_test.h"
+
+CPPUNIT_TEST_SUITE_REGISTRATION (MTDMTest);
+
+using namespace std;
+
+void
+MTDMTest::basicTest ()
+{
+	float in[256];
+	float out[256];
+
+	memset (in, 0, 256 * sizeof (float));
+	MTDM* mtdm = new MTDM;
+	mtdm->process (256, in, out);
+	memcpy (in, out, 256 * sizeof (float));
+	
+	for (int i = 0; i < 64; ++i) {
+		mtdm->process (256, in, out);
+		memcpy (in, out, 256 * sizeof (float));
+
+		CPPUNIT_ASSERT_EQUAL (0, mtdm->resolve ());
+		CPPUNIT_ASSERT (mtdm->err() < 1);
+		CPPUNIT_ASSERT_EQUAL (256.0, rint (mtdm->del()));
+	}
+}