Added new data types to cv::Mat & UMat (#23865)

* started working on adding 32u, 64u, 64s, bool and 16bf types to OpenCV

* core & imgproc tests seem to pass

* fixed a few compile errors and test failures on macOS x86

* hopefully fixed some compile problems and test failures

* fixed some more warnings and test failures

* trying to fix small deviations in perf_core & perf_imgproc by revering randf_64f to exact version used before

* trying to fix behavior of the new OpenCV with old plugins; there is (quite strong) assumption that video capture would give us frames with depth == CV_8U (0) or CV_16U (2). If depth is > 7 then it means that the plugin is built with the old OpenCV. It needs to be recompiled, of course and then this hack can be removed.

* try to repair the case when target arch does not have FP64 SIMD

* 1. fixed bug in itoa() found by alalek
2. restored ==, !=, > and < univ. intrinsics on ARM32/ARM64.

modules/core/src/matmul.dispatch.cpp

@@ -647,7 +647,7 @@ void scaleAdd(InputArray _src1, double alpha, InputArray _src2, OutputArray _dst
     CV_OCL_RUN(_src1.dims() <= 2 && _src2.dims() <= 2 && _dst.isUMat(),
             ocl_scaleAdd(_src1, alpha, _src2, _dst, type))
 
-    if( depth < CV_32F )
+    if( depth != CV_32F && depth != CV_64F )
     {
         addWeighted(_src1, alpha, _src2, 1, 0, _dst, depth);
         return;
@@ -979,7 +979,7 @@ typedef double (*DotProdFunc)(const uchar* src1, const uchar* src2, int len);
 
 static DotProdFunc getDotProdFunc(int depth)
 {
-    static DotProdFunc dotProdTab[] =
+    static DotProdFunc dotProdTab[CV_DEPTH_MAX] =
     {
         (DotProdFunc)GET_OPTIMIZED(dotProd_8u), (DotProdFunc)GET_OPTIMIZED(dotProd_8s),
         (DotProdFunc)dotProd_16u, (DotProdFunc)dotProd_16s,