init

include/read.hpp

@@ -0,0 +1,57 @@
+//
+// Created by gfuse on 04/06/22.
+//
+
+#ifndef P_46_TANGUNT_BUG_OBSTACLE_AVOIDANCE_READ_HPP
+#define P_46_TANGUNT_BUG_OBSTACLE_AVOIDANCE_READ_HPP
+#include <vector>
+#include <sys/types.h>
+#include <sys/stat.h>
+template<typename T,int N>
+class DATA_FILE
+{
+public:
+    DATA_FILE(std::string path){
+        in_ =fopen(path.c_str(),"r+");
+        assert(in_ && "path is empty in DATA_FILE. Please notice you need to specify the path from project directory like /data/data.txt");
+/*        out_=fopen("/result.txt").c_str(),"w+");
+        assert(out_ && "path is empty in DATA_FILE");
+        chmod((std::string(getenv("HOME"))+"/result.txt").c_str(), ACCESSPERMS);*/
+    };
+    ~DATA_FILE(){
+        fclose(in_);
+//        fclose(out_);
+    };
+    bool read(std::array<T,N>& in){
+        double count=0;
+        if(fscanf(in_,"%le",&count)<1)return false;
+        for(int i=0;i<N;++i){
+            T value;
+            fscanf(in_,",%f",&value);
+            in.at(i)=value;
+        }
+        fscanf(in_,"\n");
+        return true;
+    };
+    void write(std::array<T,N>& out){
+        fprintf(out_,"%ld,",count);
+        for(int i=0;i<N;++i)fprintf(out_,"%f,",out[i]);
+        fprintf(out_,"\n");
+        ++count;
+    };
+    void write(std::array<T,N>& out,T& error){
+        fprintf(out_,"%ld,",count);
+        for(int i=0;i<N;++i)fprintf(out_,"%f,",out[i]);
+        fprintf(out_,", ,");
+        fprintf(out_,"%f,",error);
+        fprintf(out_,"\n");
+        ++count;
+    };
+
+private:
+    FILE* in_;
+    FILE* out_;
+    size_t count=0;
+};
+
+#endif //P_46_TANGUNT_BUG_OBSTACLE_AVOIDANCE_READ_HPP