Dateien nach „BSP_1_B“ hochladen

BSP_1_B/bsp_1_b.cbp

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+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="bsp_1_b" />
+		<Option pch_mode="2" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="Debug">
+				<Option output="bin/Debug/bsp_1_b" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Debug/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-g" />
+				</Compiler>
+			</Target>
+			<Target title="Release">
+				<Option output="bin/Release/bsp_1_b" prefix_auto="1" extension_auto="1" />
+				<Option object_output="obj/Release/" />
+				<Option type="1" />
+				<Option compiler="gcc" />
+				<Compiler>
+					<Add option="-O2" />
+				</Compiler>
+				<Linker>
+					<Add option="-s" />
+				</Linker>
+			</Target>
+		</Build>
+		<Compiler>
+			<Add option="-Wall" />
+			<Add option="-fexceptions" />
+		</Compiler>
+		<Unit filename="bsp_1_b.cpp" />
+		<Unit filename="bsp_1_b.h" />
+		<Unit filename="main.cpp" />
+		<Extensions>
+			<lib_finder disable_auto="1" />
+		</Extensions>
+	</Project>
+</CodeBlocks_project_file>

BSP_1_B/bsp_1_b.cpp

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+#include "bsp_1_b.h"
+
+#include <cassert>
+#include <fstream>
+#include <iostream>
+#include <stdexcept>
+#include <string>
+#include <vector>
+#include <cmath>
+using namespace std;
+
+
+void meandevvec(vector<short int> x, float &a, float &g, float &h, float &d)
+{
+    a = 0;
+    for(size_t k=1; k<=x.size(); k=k+1)
+    {
+        a = a+x.at(k-1);
+    }
+    a = a/x.size();
+
+    g = 1;
+    for(size_t k=1; k<=x.size(); k=k+1)
+    {
+        g = g*pow(x.at(k-1),1.0/x.size());
+    }
+
+    h = 0;
+    for(size_t k=1; k<=x.size(); k=k+1)
+    {
+        h = h + 1.0/x.at(k-1);
+    }
+    h = x.size()/h;
+
+    d = 0;
+    for(size_t k=1; k<=x.size(); k=k+1)
+    {
+        d = d + pow(x.at(k-1)-a,2);
+    }
+    d = d/x.size();
+    d = sqrt(d);
+
+    return;
+}
+
+
+// for reading a file and writing into a txt-file
+// [Str10, p.364]
+void fill_vector(istream& istr, vector<short int>& v)
+{
+    short int d=0;
+    while ( istr >> d) v.push_back(d); // Einlesen
+    if (!istr.eof())
+    { // Fehlerbehandlung
+        cout << " Error handling \n";
+        if ( istr.bad() )  throw runtime_error("Schwerer Fehler in istr");
+        if ( istr.fail() )   // Versuch des Aufraeumens
+        {
+            cout << " Failed in reading all data.\n";
+            istr.clear();
+        }
+    }
+    v.shrink_to_fit();                 // C++11
+    return;
+}
+
+
+void read_vector_from_file(const string& file_name, vector<short int>& v)
+{
+    ifstream fin(file_name);           // Oeffne das File im ASCII-Modus
+    if( fin.is_open() )                // File gefunden:
+    {
+       v.clear();                      // Vektor leeren
+       fill_vector(fin, v);
+    }
+    else                               // File nicht gefunden:
+    {
+        cout << "\nFile " << file_name << " has not been found.\n\n" ;
+        assert( fin.is_open() && "File not found." );       // exeption handling for the poor programmer
+    }
+
+ return;
+}
+
+void write_vector_to_file(const string& file_name, const vector<float>& v)
+{
+    ofstream fout(file_name);          // Oeffne das File im ASCII-Modus
+    if( fout.is_open() )
+    {
+       for (unsigned int k=0; k<v.size(); ++k)
+       {
+          fout << v.at(k) << endl;
+       }
+    }
+    else
+    {
+        cout << "\nFile " << file_name << " has not been opened.\n\n" ;
+        assert( fout.is_open() && "File not opened."  );         // exeption handling for the poor programmer
+    }
+
+ return;
+}

BSP_1_B/bsp_1_b.h

@@ -0,0 +1,26 @@
+#ifndef BSP_1_B_H_INCLUDED
+#define BSP_1_B_H_INCLUDED
+
+#include <iostream>
+#include <vector>
+
+
+/** \brief Funktion zur Berechnung des arithmetischen, geometrischen und harmonischen Mittels und der Standardabweichung aus den Eintraegen eines gegebenen Vektors
+ *
+ * \param[in,out]   x   Vektor mit Eintraegen
+ * \param[in,out]   a   arithmetisches Mittel
+ * \param[in,out]   g   geometrisches Mittel
+ * \param[in,out]   h   harmonisches Mittel
+ * \param[in,out]   d   Standardabweichung (deviation)
+ * \return
+ *
+ */
+void meandevvec(std::vector<short int> x, float &a, float &g, float &h, float &d);
+
+void fill_vector(std::istream& istr, std::vector<short int>& v);
+
+void read_vector_from_file(const std::string& file_name, std::vector<short int>& v);
+
+void write_vector_to_file(const std::string& file_name, const std::vector<float>& v);
+
+#endif // BSP_1_B_H_INCLUDED

BSP_1_B/data_1.txt

@@ -0,0 +1,500 @@
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BSP_1_B/main.cpp

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+#include "bsp_1_b.h"
+#include <iostream>
+#include <algorithm>
+using namespace std;
+// BSP 1_B
+
+int main()
+{
+    const string name1("data_1.txt");              // name of input file
+    const string name2("out.txt");               // name of output file
+    vector<short int> v;
+
+    read_vector_from_file(name1, v);
+
+    float a, g, h, d, minv, maxv;
+    meandevvec(v,a,g,h,d);
+    minv = *min_element(v.begin(),v.end());
+    maxv = *max_element(v.begin(),v.end());
+
+    cout << "Auswertung" << endl;
+    cout << "arithmetisches Mittel: " << a << endl;
+    cout << "geometrisches Mittel: " << g << endl;
+    cout << "harmonisches Mittel: " << h << endl;
+    cout << "deviation/Standardabweichung: " << d << endl;
+    cout << "Minimum: " << minv << endl;
+    cout << "Maximum: " << maxv << endl;
+
+    vector<float> ve{a,g,h,d,minv,maxv};
+    write_vector_to_file(name2, ve);
+
+    return 0;
+}