C++实现中值滤波算法

功能：返回中值

double filterData(std::vector<double> &date) {size_t i = 0, j = 0,N_filter = date.size();double temp = 0;for (j = 0; j < N_filter - 1; j++){for (i = 0; i < N_filter - j - 1; i++){if (date[i] > date[i + 1]){temp = date[i];date[i] = date[i + 1];date[i + 1] = temp;}}}if ((N_filter & 1) > 0){temp = date[N_filter/2];}else{temp = ( date[N_filter/2-1] + date[N_filter/2] ) / 2;}for(size_t i=0;i<N_filter;i++){std::cout << date[i] << " ";}std::cout << std::endl;return temp; }

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