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