using namespace Evoral;
+// linear y = Y0 + YS * x ; with x = i * (X1 - X0) + X0; and i = [0..1023]
+#define VEC1024LINCMP(X0, X1, Y0, YS) \
+ cl->curve ().get_vector ((X0), (X1), vec, 1024); \
+ for (int i = 0; i < 1024; ++i) { \
+ char msg[64]; \
+ snprintf (msg, 64, "at i=%d (x0=%.1f, x1=%.1f, y0=%.1f, ys=%.3f)", \
+ i, X0, X1, Y0, YS); \
+ CPPUNIT_ASSERT_DOUBLES_EQUAL_MESSAGE ( \
+ msg, \
+ (Y0) + i * (YS), vec[i], \
+ 1e-24 \
+ ); \
+ }
+
void
-CurveTest::interpolateTest1 ()
+CurveTest::twoPointLinear ()
{
float vec[1024];
- Parameter param (Parameter(0));
- const Evoral::ParameterDescriptor desc;
- ControlList *cl (new ControlList(param, desc));
+ boost::shared_ptr<Evoral::ControlList> cl = TestCtrlList();
+
+ cl->create_curve ();
+ cl->set_interpolation (ControlList::Linear);
+
+ // add two points to curve
+ cl->fast_simple_add ( 0.0 , 2048.0);
+ cl->fast_simple_add (8192.0 , 4096.0);
+
+ cl->curve ().get_vector (1024.0, 2047.0, vec, 1024);
+
+ VEC1024LINCMP (1024.0, 2047.0, 2304.f, .25f);
+ VEC1024LINCMP (2048.0, 2559.5, 2560.f, .125f);
+ VEC1024LINCMP ( 0.0, 4092.0, 2048.f, 1.f);
+
+ // greetings to tartina
+ cl->curve ().get_vector (2048.0, 2048.0, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 2048..2048", 2560.f, vec[0]);
+
+ /* XXX WHAT DO WE EXPECT WITH veclen=1 AND x1 > x0 ? */
+#if 0
+ /* .. interpolated value at (x1+x0)/2 */
+ cl->curve ().get_vector (2048.0, 2049.0, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 2048-2049", 2560.125f, vec[0]);
- cl->create_curve();
+ cl->curve ().get_vector (2048.0, 2056.0, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 2048-2049", 2561.f, vec[0]);
+#else
+ /* .. value at x0 */
+ cl->curve ().get_vector (2048.0, 2049.0, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 , 2048..2049", 2560.f, vec[0]);
- cl->fast_simple_add(0.0 , 0.0);
- cl->fast_simple_add(8191.0 , 8191.0);
+ cl->curve ().get_vector (2048.0, 2056.0, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 , 2048..2049", 2560.f, vec[0]);
+#endif
- cl->curve().get_vector(1024, 2047, vec, 1024);
+ cl->curve ().get_vector (2048.0, 2048.0, vec, 2);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048..2048 @ 0", 2560.f, vec[0]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048..2048 @ 1", 2560.f, vec[1]);
+
+ cl->curve ().get_vector (2048.0, 2056.0, vec, 2);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048..2056 @ 0", 2560.f, vec[0]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=2 , 2048..2056 @ 0", 2562.f, vec[1]);
+
+ cl->curve ().get_vector (2048.0, 2056.0, vec, 3);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 , 2048..2056 @ 0", 2560.f, vec[0]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 , 2048..2056 @ 1", 2561.f, vec[1]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 , 2048..2056 @ 2", 2562.f, vec[2]);
+
+ /* check out-of range..
+ * we expect the first and last value - no interpolation
+ */
+ cl->curve ().get_vector (-1, -1, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ -1", 2048.f, vec[0]);
+
+ cl->curve ().get_vector (9999.0, 9999.0, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 9999", 4096.f, vec[0]);
+
+ cl->curve ().get_vector (-999.0, 0, vec, 13);
+ for (int i = 0; i < 13; ++i) {
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=13 @ -999..0", 2048.f, vec[i]);
+ }
- for (int i = 0; i < 1024; ++i) {
- CPPUNIT_ASSERT_EQUAL (1024.f + i, vec[i]);
+ cl->curve ().get_vector (9998.0, 9999.0, vec, 8);
+ for (int i = 0; i < 8; ++i) {
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=8 @ 9998..9999", 4096.f, vec[i]);
}
+}
+
+void
+CurveTest::threePointLinear ()
+{
+ float vec[4];
+
+ boost::shared_ptr<Evoral::ControlList> cl = TestCtrlList();
+
+ cl->create_curve ();
+ cl->set_interpolation (ControlList::Linear);
+
+ // add 3 points to curve
+ cl->fast_simple_add ( 0.0 , 2.0);
+ cl->fast_simple_add ( 100.0 , 4.0);
+ cl->fast_simple_add ( 200.0 , 0.0);
+
+ cl->curve ().get_vector (50.0, 60.0, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 50", 3.f, vec[0]);
+
+ cl->curve ().get_vector (100.0, 100.0, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 100", 4.f, vec[0]);
+
+ cl->curve ().get_vector (150.0, 150.0, vec, 1);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=1 @ 150", 2.f, vec[0]);
+
+ cl->curve ().get_vector (130.0, 150.0, vec, 3);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 130..150 @ 0", 2.8f, vec[0]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 130..150 @ 2", 2.4f, vec[1]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 130..150 @ 3", 2.0f, vec[2]);
+
+ cl->curve ().get_vector (80.0, 160.0, vec, 3);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 80..160 @ 0", 3.6f, vec[0]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 80..160 @ 2", 3.2f, vec[1]);
+ CPPUNIT_ASSERT_EQUAL_MESSAGE ("veclen=3 80..160 @ 3", 1.6f, vec[2]);
+}
+
+void
+CurveTest::threePointDiscete ()
+{
+ boost::shared_ptr<Evoral::ControlList> cl = TestCtrlList();
+ cl->set_interpolation (ControlList::Discrete);
+
+ // add 3 points to curve
+ cl->fast_simple_add ( 0.0 , 2.0);
+ cl->fast_simple_add ( 100.0 , 4.0);
+ cl->fast_simple_add ( 200.0 , 0.0);
+
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+
+ cl->set_interpolation (ControlList::Linear);
+
+ CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(3.2, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(1.6, cl->unlocked_eval(160.));
+}
+
+void
+CurveTest::ctrlListEval ()
+{
+ boost::shared_ptr<Evoral::ControlList> cl = TestCtrlList();
+
+ cl->fast_simple_add ( 0.0 , 2.0);
+
+ cl->set_interpolation (ControlList::Discrete);
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(160.));
+
+ cl->set_interpolation (ControlList::Linear);
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(160.));
+
+ cl->fast_simple_add ( 100.0 , 4.0);
+
+ cl->set_interpolation (ControlList::Discrete);
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+
+ cl->set_interpolation (ControlList::Linear);
+ CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+
+ cl->fast_simple_add ( 200.0 , 0.0);
+
+ cl->set_interpolation (ControlList::Discrete);
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+
+ cl->set_interpolation (ControlList::Linear);
+ CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(3.2, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(1.6, cl->unlocked_eval(160.));
+
+ cl->fast_simple_add ( 300.0 , 8.0);
+
+ cl->set_interpolation (ControlList::Discrete);
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+ CPPUNIT_ASSERT_EQUAL(0.0, cl->unlocked_eval(250.));
+ CPPUNIT_ASSERT_EQUAL(8.0, cl->unlocked_eval(999.));
+
+ cl->set_interpolation (ControlList::Linear);
+ CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(3.2, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(1.6, cl->unlocked_eval(160.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(250.));
+ CPPUNIT_ASSERT_EQUAL(8.0, cl->unlocked_eval(999.));
+
+ cl->fast_simple_add ( 400.0 , 9.0);
+
+ cl->set_interpolation (ControlList::Discrete);
+ CPPUNIT_ASSERT_EQUAL(2.0, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(160.));
+ CPPUNIT_ASSERT_EQUAL(0.0, cl->unlocked_eval(250.));
+ CPPUNIT_ASSERT_EQUAL(8.0, cl->unlocked_eval(350.));
+ CPPUNIT_ASSERT_EQUAL(9.0, cl->unlocked_eval(999.));
- cl->destroy_curve();
- delete cl;
+ cl->set_interpolation (ControlList::Linear);
+ CPPUNIT_ASSERT_EQUAL(3.6, cl->unlocked_eval(80.));
+ CPPUNIT_ASSERT_EQUAL(3.2, cl->unlocked_eval(120.));
+ CPPUNIT_ASSERT_EQUAL(1.6, cl->unlocked_eval(160.));
+ CPPUNIT_ASSERT_EQUAL(4.0, cl->unlocked_eval(250.));
+ CPPUNIT_ASSERT_EQUAL(8.5, cl->unlocked_eval(350.));
+ CPPUNIT_ASSERT_EQUAL(9.0, cl->unlocked_eval(999.));
}
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