手写数字识别之Fisher线性判别

#include "stdio.h" #include "stdlib.h" void main(void) { FILE *fpsrc; FILE *fpdst; char ch1[2048]; double db; int n, i; //读取train中的数据，分别保存为数据和结果两个文件 fpsrc = fopen("D:\\USPS\\USPStrainingdata.mat", "rb"); if(fpsrc == NULL) return; fseek(fpsrc, 6144L, 0); //Open fpdst fpdst = fopen("D:\\USPS\\trainData.bina", "wb+"); if(fpdst == NULL) return; for(i=0; i<7291; i++) { fread(ch1, 1, 2048, fpsrc); fwrite(ch1, 1, 2048, fpdst); } fclose(fpdst); fpdst = fopen("D:\\USPS\\trainDataResult.bina", "wb+"); if(fpdst == NULL) return; for(i=0; i<72910; i++) { fread(&db, sizeof(double), 1, fpsrc); n = (int)db; fwrite(&n, sizeof(int), 1, fpdst); } fclose(fpdst); fclose(fpsrc); //以同样的方式处理test中的数据 fpsrc = fopen("D:\\USPS\\USPStestingdata.mat", "rb"); if(fpsrc == NULL) return; fseek(fpsrc, 6144L, 0); //Open fpdst fpdst = fopen("D:\\USPS\\testData.bina", "wb+"); if(fpdst == NULL) return; for(i=0; i<2007; i++) { fread(ch1, 1, 2048, fpsrc); fwrite(ch1, 1, 2048, fpdst); } fclose(fpdst); fpdst = fopen("D:\\USPS\\testDataResult.bina", "wb+"); if(fpdst == NULL) return; for(i=0; i<20070; i++) { fread(&db, sizeof(double), 1, fpsrc); n = (int)db; fwrite(&n, sizeof(int), 1, fpdst); } fclose(fpdst); fclose(fpsrc); }