Install commit

README.md

@@ -1,2 +1,12 @@
-# Multicalc
-Multicalc using cpp
+#Mathcal
+*所有代码在g++下编译通过。
+*有任何问题请联系chestnutheng@gmail.com
+
+
+计划功能（√已经实现  - 开发中 ×未实现）
+*矩阵的加减乘幂运算  √
+*矩阵的行列式求值   -
+*复杂表达式的运算 ×
+*进制转换 -
+
+*图形界面

fours.h

@@ -0,0 +1,44 @@
+#include <iostream>
+#include <stdio.h>
+#include <string>
+void fourr()
+{
+    /
+
+}
+double fourans(double a, double b,string str)
+{
+    char ch = str.at(0);
+    switch(ch)
+    {
+        case '+':
+            return a+b;
+        case '-':
+            return a-b;
+        case '*':
+            return a*b;
+        case '/':
+            return a/b;
+
+    }
+    return 1;
+}
+
+int stringconvert(string str)
+{
+
+    bool str1over = false;
+    for(unsigned int i = 0;i < str.length(); ++i)
+    {
+        if(str1over == false || 0 <= str[i] || str[i] <= 9 || str[i] == '.' || str[i] == 'E')
+            str1 += str[i];
+        else if (0 > str[i] ||  str[i] > 9 || str[i] != '.' || str[i] != 'E')
+        {
+            str2 += str[i];
+            str1over = true;
+        }
+        else str3 += str[i];
+
+    }
+    return 0;
+}

linar.h

@@ -0,0 +1,204 @@
+#include <iostream>
+#include <vector>
+#include <iomanip>
+using namespace std;
+void Linar();
+class Box
+{
+private:
+  int m,n;
+  vector<double> line;
+  vector< vector<double> >boxinfo;
+public:
+  Box(int a,int b){m = a;n = b;}
+  void printbox();
+  void inputbox();
+  bool squarebox();
+  Box operator + (Box &b1);
+  Box operator - (Box &b1);
+  Box operator * (Box &b1);
+  double boxvalue();
+  Box trabox();
+};
+bool Box::squarebox()
+{
+    if(m == n) return true;
+    else return false;
+}
+Box Box::trabox()           //codeing
+{
+    Box trabox(m,n);
+    for(int i = 0; i < n; ++i) trabox.line.push_back(this->boxinfo[0][i]);
+    trabox.boxinfo.push_back(line);
+	trabox.line.erase(line.begin(), line.end());
+    for(int j = 0;j < this->n - 1; ++j)  // j list
+    {
+   		 for(int i = 1;i < this->m; ++i)    //i line
+   		 {
+   		 	for (int k = 0 ;k <= this-> n; ++k)
+   		 	{
+   		 		//int temp =  boxinfo[i][k] * boxinfo[j][k]/ (- boxinfo[j][j]) + boxinfo[i][k];
+   		 	 	//trabox.line.push_back(temp);
+   		 	 	if(boxinfo[j][j] == 0) continue;
+   		 		this->boxinfo[i][k] = boxinfo[i][k] * boxinfo[j][k]/ (- boxinfo[j][j]) + boxinfo[i][k];
+   		 	} //k from 1 to j
+   		     //trabox.boxinfo.push_back(line);
+       		// trabox.line.erase(line.begin(), line.end());
+   		 }
+   	}
+   	return trabox;
+}
+double boxvalue()    //codeing
+{
+    return 0;
+}
+void Box::inputbox()
+{
+	for (int i = 0; i < this->m; ++i)
+	{
+		for(int j = 0; j < this->n; ++ j)
+        {
+            double temp;
+            cin >> temp;
+            line.push_back(temp);
+
+        }
+        boxinfo.push_back(line);
+        line.erase(line.begin(), line.end());
+	}
+}
+
+void Box::printbox()
+{
+	cout << ">>>Display your Box:" << endl <<endl;
+	for (int i = 0; i < this->m; ++i)
+	{
+		for(int j = 0; j < this->n; ++j)
+        {
+			    cout.width(6);
+			    cout.setf(ios::left);
+			    cout.fill(' ');
+			    cout << boxinfo[i][j] << " ";
+        }
+		cout << endl <<endl;
+	}
+}
+
+Box Box::operator + (Box &b1)
+{
+	Box b2(n,m);
+	for (int i = 0; i < this->m; ++i)
+	{
+		for(int j = 0; j < this->n; ++ j)
+        {
+			      double temp = boxinfo[i][j] + b1.boxinfo[i][j];
+            b2.line.push_back(temp);
+        }
+        b2.boxinfo.push_back(b2.line);
+        b2.line.erase(b2.line.begin(), b2.line.end());
+	}
+	return b2;
+}
+Box Box::operator - (Box &b1)
+{
+	Box b2(n,m);
+	for (int i = 0; i < this->m; ++i)
+	{
+		for(int j = 0; j < this->n; ++ j)
+        {
+			      double temp = boxinfo[i][j] - b1.boxinfo[i][j];
+            b2.line.push_back(temp);
+        }
+        b2.boxinfo.push_back(b2.line);
+        b2.line.erase(b2.line.begin(), b2.line.end());
+	}
+	return b2;
+}
+Box Box::operator * (Box &b1)
+{
+	Box b2(this->m,b1.n);
+	if(this ->n != b1.m)
+    {
+        cerr << "Error Input(m!=n)" <<endl;
+        return b2;
+    }
+	for (int i = 0; i < this->m; ++i)
+	{
+		for(int j = 0; j < b1.n; ++ j)
+        {
+            double temp (0);
+			for(int k = 0; k < this ->n ; ++k)
+			{
+                temp += boxinfo[i][k] * b1.boxinfo[k][j];
+			}
+            b2.line.push_back(temp);
+        }
+        b2.boxinfo.push_back(b2.line);
+        b2.line.erase(b2.line.begin(), b2.line.end());
+	}
+	return b2;
+}
+
+Box createbox()
+{
+    cout <<  ">>>Input box m,n:" ;
+    int m,n;
+    cin >> m >> n ;
+    Box box1(m,n);
+    cout <<  ">>>Input box's data:" << endl;
+    box1.inputbox();
+    return box1;
+}
+void Linar()
+{
+  char ch;
+  while(ch != 'q')
+  {
+    Linarloop:
+    cout << ">>>Input your want(+,-,*,^,q):";
+    cin >> ch;
+    if(ch == 'q') return;
+    Box box1 (createbox());
+   // box1.trabox();        unusful
+   // box1.printbox();
+    if(ch == '^')
+    {
+        int level;
+        if(box1.squarebox() == false)
+        {
+            cerr << "Not a square box" <<endl;
+            goto Linarloop;
+        }
+        Box box2(box1);
+        cout << ">>>Input your level:";
+        cin >> level;
+        for(int i = 0; i < level - 1; ++i)
+            box2 = box2 * box1;
+        box2.printbox();
+        goto Linarloop;
+    }
+    Box box2 (createbox());
+    if(ch == '+')
+    {
+        Box box3(box1 + box2);
+        box3.printbox();
+    }
+    else if(ch == '-')
+    {
+        Box box3(box1 - box2);
+        box3.printbox();
+    }
+    else if(ch == '*')
+    {
+        Box box3(box1 * box2);
+        box3.printbox();
+    }
+    else
+    {
+        cout << "Wrong Input" << endl;
+        goto Linarloop;
+    }
+
+  }
+
+}

main.cpp

@@ -0,0 +1,29 @@
+#include <iostream>
+#include <stdio.h>
+#include <string>
+#include "linar.h"
+#include "numsys.h"
+using namespace std;
+
+
+string str1,str2,str3;
+
+double fourans(double a, double b,string str);
+int stringconvert(string str);
+
+
+int main()
+{
+    string str;
+    while(str != "q")
+    {
+         cout << ">>>Input a command:(Linar,Numsys,q):";
+
+         cin >> str ;
+         if((str == "Linar") || (str == "linar"))  Linar();
+         if((str == "numsys") || (str == "Numsys")) Numsys();
+    }
+    return 0;
+}
+
+

numsys.h

@@ -0,0 +1,53 @@
+#include <cmath>
+#ifndef EPS
+	#define EPS 0.0001
+#endif
+using namespace std;
+
+
+double convert_to_R(double num,double R)
+{
+	int num_int = (int)floor(num);
+	double num_flo = num - num_int;
+	double ans;
+	for(int j = 0;num_int != 0;++j)
+	{
+		ans = ans + pow(10,j) * floor(fmod(num_int,R));
+		num_int = (int) (num_int / R);
+		//if (num_int == 0) break;
+	}
+	double num_flo_flo;
+	for(int j = 1;num_flo_flo < EPS;++j)
+	{
+		ans += pow(10,-j)*(floor(num_flo*R));
+		num_flo *= R;
+		num_flo_flo = num_flo - floor(num_flo);
+		//if (num_int == 0) break;;
+	}
+	return ans;
+
+}
+
+double numconvert(double num,double R1,double R2)
+{
+	if (R1 == 10)  return convert_to_R(num,R2);
+	return 0;    //Coding
+
+}
+
+void Numsys()
+{
+    double former,later,r1,r2;
+    do
+    {
+        cout << "Input number and R1:" ;
+        cin >> former;
+        if (former == 0) break;
+        cin >> r1;
+        cout << "To R2:";
+        cin >> r2;
+        later = numconvert(former,r1,r2);
+        cout << "The anwser is:" << later << "(" << r2 << ")" << endl;
+        cout << "0 to quit." << endl;
+    }while (former != 0);
+}