Eachstd::error_codeobject holds an error code value originating from the operating system or some low-level interface and a pointer to an object of typestd::error_category, which corresponds to the said interface. The error code values are not required to be unique across different error ...
is_error_code_enum hash<std::error_code> voidclear()noexcept; (since C++11) Replaces the error code and error category with default values. Equivalent to*this=error_code(0,std::system_category()). Parameters (none) Return value (none)...
问比较std::system_error::code()和std::errc::invalid_argument时的分割错误ENvs低版本转高版本，std...
% % Usage: [normim, mask, maskind] = ridgesegment(im, blksze, thresh) % % Arguments: im - Fingerprint image to be segmented. % blksze - Block size over which the the standard % deviation is determined (try a value of 16). % thresh - Threshold of s...