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#include <sigc++/sigc++.h>
#include "interpolation-test.h"
CPPUNIT_TEST_SUITE_REGISTRATION( InterpolationTest );
void
InterpolationTest::linearInterpolationTest ()
{
std::cout << "\nLinear Interpolation Test\n";
std::cout << "\nSpeed: 1.0";
linear.set_speed (1.0);
nframes_t result = linear.interpolate (NUM_SAMPLES, input, output);
CPPUNIT_ASSERT_EQUAL ((uint32_t)NUM_SAMPLES - 1, result);
std::cout << "\nSpeed: 0.5";
linear.set_speed (0.5);
result = linear.interpolate (NUM_SAMPLES, input, output);
CPPUNIT_ASSERT_EQUAL ((uint32_t)NUM_SAMPLES / 2 - 1, result);
std::cout << "\nSpeed: 0.2";
linear.set_speed (0.2);
result = linear.interpolate (NUM_SAMPLES, input, output);
CPPUNIT_ASSERT_EQUAL ((uint32_t)NUM_SAMPLES / 5 - 2, result);
std::cout << "\nSpeed: 0.02";
linear.set_speed (0.02);
result = linear.interpolate (NUM_SAMPLES, input, output);
CPPUNIT_ASSERT_EQUAL ((uint32_t)NUM_SAMPLES / 50 - 2, result);
std::cout << "\nSpeed: 2.0";
linear.set_speed (2.0);
result = linear.interpolate (NUM_SAMPLES / 2, input, output);
CPPUNIT_ASSERT_EQUAL ((uint32_t)NUM_SAMPLES - 2, result);
/*
for (int i=0; i < NUM_SAMPLES / 5; ++i) {
std::cout << "input[" << i << "] = " << input[i] << " output[" << i << "] = " << output[i] << std::endl;
}
*/
std::cout << "\nSpeed: 10.0";
linear.set_speed (10.0);
result = linear.interpolate (NUM_SAMPLES / 10, input, output);
CPPUNIT_ASSERT_EQUAL ((uint32_t)NUM_SAMPLES - 10, result);
}
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