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Merge branch 4.x

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This commit is contained in:
Alexander Smorkalov
2026-02-11 13:54:39 +03:00
committed by Alexander Smorkalov
parent 1719aa1339 a6c10358a4
commit 82ff8e45e9
468 changed files with 16647 additions and 11284 deletions
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modules/core/test/test_arithm.cpp
+39
View File
@@ -1037,6 +1037,14 @@ static void flip(const Mat& src, Mat& dst, int flipcode)
}
}
static void flip_inplace(Mat& dst, int flipcode)
{
Mat m;
m.create(dst.size(), dst.type());
reference::flip(dst, m, flipcode);
memcpy(dst.ptr<uchar>(), m.ptr<uchar>(), dst.total() * dst.elemSize());
}
static void rotate(const Mat& src, Mat& dst, int rotateMode)
{
Mat tmp;
@@ -1103,6 +1111,36 @@ struct FlipOp : public BaseElemWiseOp
int flipcode;
};
struct FlipInplaceOp : public BaseElemWiseOp
{
FlipInplaceOp() : BaseElemWiseOp(1, FIX_ALPHA+FIX_BETA+FIX_GAMMA, 1, 1, Scalar::all(0)) { flipcode = 0; }
void getRandomSize(RNG& rng, vector<int>& size)
{
cvtest::randomSize(rng, 2, 2, ARITHM_MAX_SIZE_LOG, size);
}
void op(const vector<Mat>& src, Mat& dst, const Mat&)
{
dst.create(src[0].size(), src[0].type());
memcpy(dst.ptr<uchar>(), src[0].ptr<uchar>(), src[0].total() * src[0].elemSize());
cv::flip(dst, dst, flipcode);
}
void refop(const vector<Mat>& src, Mat& dst, const Mat&)
{
dst.create(src[0].size(), src[0].type());
memcpy(dst.ptr<uchar>(), src[0].ptr<uchar>(), src[0].total() * src[0].elemSize());
reference::flip_inplace(dst, flipcode);
}
void generateScalars(int, RNG& rng)
{
flipcode = rng.uniform(0, 3) - 1;
}
double getMaxErr(int)
{
return 0;
}
int flipcode;
};
struct RotateOp : public BaseElemWiseOp
{
RotateOp() : BaseElemWiseOp(1, FIX_ALPHA+FIX_BETA+FIX_GAMMA, 1, 1, Scalar::all(0)) { rotatecode = 0; }
@@ -1789,6 +1827,7 @@ INSTANTIATE_TEST_CASE_P(Core_InRange, ElemWiseTest, ::testing::Values(ElemWiseOp
INSTANTIATE_TEST_CASE_P(Core_FiniteMask, ElemWiseTest, ::testing::Values(ElemWiseOpPtr(new FiniteMaskOp)));
INSTANTIATE_TEST_CASE_P(Core_Flip, ElemWiseTest, ::testing::Values(ElemWiseOpPtr(new FlipOp)));
INSTANTIATE_TEST_CASE_P(Core_FlipInplace, ElemWiseTest, ::testing::Values(ElemWiseOpPtr(new FlipInplaceOp)));
INSTANTIATE_TEST_CASE_P(Core_Rotate, ElemWiseTest, ::testing::Values(ElemWiseOpPtr(new RotateOp)));
INSTANTIATE_TEST_CASE_P(Core_Transpose, ElemWiseTest, ::testing::Values(ElemWiseOpPtr(new TransposeOp)));
INSTANTIATE_TEST_CASE_P(Core_SetIdentity, ElemWiseTest, ::testing::Values(ElemWiseOpPtr(new SetIdentityOp)));
modules/core/test/test_math.cpp
+27
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@@ -1917,6 +1917,33 @@ TEST(Core_SolveCubic, regression_27323)
}
}
TEST(Core_SolveCubic, regression_27748)
{
// a is extremely small relative to others (approx 1.8e-19 ratio),
// causing instability in standard cubic formula.
double a = 1.56041e-17;
double b = 84.4504;
double c = -96.795;
double d = 13.6826;
Mat coeffs = (Mat_<double>(1, 4) << a, b, c, d);
Mat roots;
int n = solveCubic(coeffs, roots);
// Expecting quadratic behavior (2 roots)
EXPECT_GE(n, 2);
// Verify roots satisfy the FULL cubic equation
for(int i = 0; i < n; i++)
{
double x = roots.at<double>(i);
double val = a*x*x*x + b*x*x + c*x + d;
// Check residual is small
EXPECT_LE(fabs(val), 1e-6) << "Root " << x << " does not satisfy the equation";
}
}
TEST(Core_SolvePoly, regression_5599)
{
// x^4 - x^2 = 0, roots: 1, -1, 0, 0