fixed bug in StereoConstantSpaceBP - missing load max_data_term to constant memory

modules/gpu/src/cuda/constantspacebp.cu

@@ -96,6 +96,7 @@ namespace cv { namespace gpu { namespace csbp
     {
         cudaSafeCall( cudaMemcpyToSymbol(cndisp, &ndisp, sizeof(int)) );
 
+        cudaSafeCall( cudaMemcpyToSymbol(cmax_data_term,    &max_data_term,    sizeof(float)) );
         cudaSafeCall( cudaMemcpyToSymbol(cdata_weight,      &data_weight,      sizeof(float)) );
         cudaSafeCall( cudaMemcpyToSymbol(cmax_disc_term,    &max_disc_term,    sizeof(float)) );
         cudaSafeCall( cudaMemcpyToSymbol(cdisc_single_jump, &disc_single_jump, sizeof(float)) );

tests/gpu/src/gputest_main.cpp

@@ -49,12 +49,8 @@ const char* blacklist[] =
 
     "GPU-NppImageSum",              // crash, probably npp bug
     "GPU-NppImageMinNax",           // npp bug - don't find min/max near right border
-    "GPU-NppImageExp",
-    "GPU-NppImageLog",
 
     "GPU-NppImageCanny",            // NPP_TEXTURE_BIND_ERROR
-    "GPU-NppImageIntegral",
-    "GPU-Histograms",
     0
 };