cvError           109 modules/calib3d/src/checkchessboard.cpp         cvError(CV_BadNumChannels, "cvCheckChessboard", "supports single-channel images only",
cvError           115 modules/calib3d/src/checkchessboard.cpp         cvError(CV_BadDepth, "cvCheckChessboard", "supports depth=8 images only",
cvError          2628 modules/core/include/opencv2/core/core_c.h CVAPI(void) cvError( int status, const char* func_name,
cvError          2662 modules/core/include/opencv2/core/core_c.h cvError((status),(func),(context),__FILE__,__LINE__)
cvError          2690 modules/core/include/opencv2/core/core_c.h     cvError( (Code), cvFuncName, Msg, __FILE__, __LINE__ );        \
cvError            92 modules/core/src/opengl.cpp             cvError(CV_OpenGlApiCallError, func, msg, file, line);
cvError           397 modules/core/src/persistence.cpp     cvError( CV_StsParseError, func_name, buf, source_file, source_line );
cvError           507 modules/highgui/src/window.cpp     cvError( CV_StsError, funcname, \
cvError           405 modules/ml/src/svm.cpp         cvError( CV_StsBadArg, "SVM::getDefaultGrid", "Invalid type of parameter "