Merge pull request #29165 from vpisarev:better_bicubic

Revised bicubic interpolation kernels and updated the corresponding functions #29165

They should work more accurately and faster than the existing implementation. The PR follows the previous work (#26271 etc.) that brought faster bilinear kernels.

### Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

- [x] I agree to contribute to the project under Apache 2 License.
- [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV
- [x] The PR is proposed to the proper branch
- [x] There is a reference to the original bug report and related work
- [x] There is accuracy test, performance test and test data in opencv_extra repository, if applicable
      Patch to opencv_extra has the same branch name.
- [ ] The feature is well documented and sample code can be built with the project CMake

modules/ts/include/opencv2/ts/ocl_test.hpp

@@ -110,6 +110,18 @@ do \
         << "Size: " << (mat1).size() << std::endl; \
 } while ((void)0, 0)
 
+#define EXPECT_MAT_N_DIFF_EPS(mat1, mat2, eps, num) \
+do \
+{ \
+    ASSERT_EQ(mat1.type(), mat2.type()); \
+    ASSERT_EQ(mat1.size(), mat2.size()); \
+    Mat diff, mask; \
+    absdiff(mat1, mat2, diff); \
+    cv::compare(diff.reshape(1), Scalar::all(eps), mask, CMP_GT); \
+    EXPECT_LE(countNonZero(mask), num) \
+    << "Size: " << mat1.size() << std::endl; \
+} while ((void)0, 0)
+
 #define EXPECT_MAT_N_DIFF(mat1, mat2, num) \
 do \
 { \