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added tests for cv::merge, cv::split, cv::phase

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This commit is contained in:
Maria Dimashova
2012-10-20 19:37:19 +04:00
parent d9ffe5e7c4
commit 78dd1893bb
2 changed files with 308 additions and 0 deletions
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94
modules/core/test/test_math.cpp
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@@ -2348,6 +2348,99 @@ void Core_SolvePolyTest::run( int )
}
}
class Core_PhaseTest : public cvtest::BaseTest
{
public:
Core_PhaseTest() {}
~Core_PhaseTest() {}
protected:
virtual void run(int)
{
const float maxAngleDiff = 0.5; //in degrees
const int axisCount = 8;
const int dim = theRNG().uniform(1,10);
const float scale = theRNG().uniform(1.f, 100.f);
Mat x(axisCount + 1, dim, CV_32FC1),
y(axisCount + 1, dim, CV_32FC1);
Mat anglesInDegrees(axisCount + 1, dim, CV_32FC1);
// fill the data
x.row(0).setTo(Scalar(0));
y.row(0).setTo(Scalar(0));
anglesInDegrees.row(0).setTo(Scalar(0));
x.row(1).setTo(Scalar(scale));
y.row(1).setTo(Scalar(0));
anglesInDegrees.row(1).setTo(Scalar(0));
x.row(2).setTo(Scalar(scale));
y.row(2).setTo(Scalar(scale));
anglesInDegrees.row(2).setTo(Scalar(45));
x.row(3).setTo(Scalar(0));
y.row(3).setTo(Scalar(scale));
anglesInDegrees.row(3).setTo(Scalar(90));
x.row(4).setTo(Scalar(-scale));
y.row(4).setTo(Scalar(scale));
anglesInDegrees.row(4).setTo(Scalar(135));
x.row(5).setTo(Scalar(-scale));
y.row(5).setTo(Scalar(0));
anglesInDegrees.row(5).setTo(Scalar(180));
x.row(6).setTo(Scalar(-scale));
y.row(6).setTo(Scalar(-scale));
anglesInDegrees.row(6).setTo(Scalar(225));
x.row(7).setTo(Scalar(0));
y.row(7).setTo(Scalar(-scale));
anglesInDegrees.row(7).setTo(Scalar(270));
x.row(8).setTo(Scalar(scale));
y.row(8).setTo(Scalar(-scale));
anglesInDegrees.row(8).setTo(Scalar(315));
Mat resInRad, resInDeg;
phase(x, y, resInRad, false);
phase(x, y, resInDeg, true);
CV_Assert(resInRad.size() == x.size());
CV_Assert(resInRad.type() == x.type());
CV_Assert(resInDeg.size() == x.size());
CV_Assert(resInDeg.type() == x.type());
// check the result
int outOfRangeCount = countNonZero((resInDeg > 360) | (resInDeg < 0));
if(outOfRangeCount > 0)
{
ts->printf(cvtest::TS::LOG, "There are result angles that are out of range [0, 360] (part of them is %f)\n",
static_cast<float>(outOfRangeCount)/resInDeg.total());
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
}
Mat diff = abs(anglesInDegrees - resInDeg);
int errDegCount = diff.total() - countNonZero((diff < maxAngleDiff) | ((360 - diff) < maxAngleDiff));
if(errDegCount > 0)
{
ts->printf(cvtest::TS::LOG, "There are incorrect result angles (in degrees) (part of them is %f)\n",
static_cast<float>(errDegCount)/resInDeg.total());
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
}
Mat convertedRes = resInRad * 180. / CV_PI;
double normDiff = norm(convertedRes - resInDeg);
if(normDiff > FLT_EPSILON)
{
ts->printf(cvtest::TS::LOG, "There are incorrect result angles (in radians)\n");
ts->set_failed_test_info(cvtest::TS::FAIL_INVALID_OUTPUT);
}
ts->set_failed_test_info(cvtest::TS::OK);
}
};
class Core_CheckRange_Empty : public cvtest::BaseTest
{
public:
@@ -2471,6 +2564,7 @@ TEST(Core_SVD, accuracy) { Core_SVDTest test; test.safe_run(); }
TEST(Core_SVBkSb, accuracy) { Core_SVBkSbTest test; test.safe_run(); }
TEST(Core_Trace, accuracy) { Core_TraceTest test; test.safe_run(); }
TEST(Core_SolvePoly, accuracy) { Core_SolvePolyTest test; test.safe_run(); }
TEST(Core_Phase, accuracy) { Core_PhaseTest test; test.safe_run(); }
// TODO: eigenvv, invsqrt, cbrt, fastarctan, (round, floor, ceil(?)),