Left justify output

README.md

@@ -42,27 +42,27 @@ a * b =  18-i
 a / b = (6/25)+(17/25)i
 (a / b)* = (6/25)-(17/25)i
 v:
-| 1 |
+|1|
-| 2 |
+|2|
-| i |
+|i|
 w:
-| 3 |
+|3|
-| 4 |
+|4|
-| 5 |
+|5|
 v + w:
-| 4 |
+|4  |
-| 6 |
+|6  |
-| 5+i |
+|5+i|
 v - w:
-| -2 |
+|-2  |
-| -2 |
+|-2  |
-| -5+i |
+|-5+i|
 v * w:
 11+5i
 w * i:
-| 3i |
+|3i|
-| 4i |
+|4i|
-| 5i |
+|5i|
 Element 0 of v:
 1
 Element 1 of v:
@@ -70,57 +70,57 @@ Element 1 of v:
 Element 2 of v:
 i
 A temp vector of dimension 3
-| 0 |
+|0|
-| 0 |
+|0|
-| 0 |
+|0|
 Assignment of w to k
-| 3 |
+|3|
-| 4 |
+|4|
-| 5 |
+|5|
 Manually set elements of k to elements of v
-| 1 |
+|1|
-| 2 |
+|2|
-| i |
+|i|
 The matrix m
-| 1 | 1 |
+|1|1|
-| 1 | 1 |
+|1|1|
 The determinant of matrix m:
 0
 The matrix n:
-| 2 | 1+i |
+|2  |1+i|
-| 1-i | 5 |
+|1-i|5  |
 The matrix n roted by one pi radian:
-| 1+i | 5 |
+|1+i|5  |
-| 2 | 1-i |
+|2  |1-i|
 The determinant of matrix n:
 8
 The matrix n's transpose:
-| 2 | 1-i |
+|2  |1-i|
-| 1+i | 5 |
+|1+i|5  |
 The matrix n's diagonal:
-| 2 |
+|2|
-| 5 |
+|5|
 The matrix n's off diagonal:
-| 1+i |
+|1+i|
-| 1-i |
+|1-i|
 The vector d:
-| 1-i |
+|1-i|
-| 5 |
+|5  |
 The matrix n * the vector d
-| 2-2i | 2 |
+|2-2i|2   |
-| 5-5i | 25 |
+|5-5i|25  |
 The vector d * the matrix n
-| 7-7i |
+|7-7i|
-| 27 |
+|27  |
 The matrix m * n
-| 3-i | 6+i |
+|3-i|6+i|
-| 3-i | 6+i |
+|3-i|6+i|
 The matrix m + n
-| 3 | 2+i |
+|3  |2+i|
-| 2-i | 6 |
+|2-i|6  |
 Is 2 an eigenvalue of m?
 Yes!
 The matrix n is hermitian, here is the hermitian conjugate:
-| 2 | 1+i |
+|2  |1+i|
-| 1-i | 5 |
+|1-i|5  |
 ```

matrix.hpp

@@ -160,12 +160,27 @@ public:
   }
   friend ostream &operator<<(ostream &os, const matrix &m) {
     char last = '\0';
+    int longest = 0;
     for (long long i = 0; i < m.num_entries; i++) {
       for (long long j = 0; j < m.entry_dimension; j++) {
+        ostringstream oss;
+        oss << m.entries[i][j];
+        string s = oss.str();
+        if (longest < s.length())
+          longest = s.length();
+      }
+    }
+    for (long long i = 0; i < m.num_entries; i++) {
+      for (long long j = 0; j < m.entry_dimension; j++) {
+        ostringstream iss;
+        iss << m.entries[i][j];
+        string s = iss.str();
+        int padding = longest - s.length() +1;
         string symbols[3];
         symbols[0] = "|";
         ostringstream oss;
-        oss << " " << m.entries[i][j] << " ";
+        oss << m.entries[i][j] ;
+	oss << std::setw(padding) << "|";
         symbols[1] = oss.str();
         symbols[2] = "|";
         for (int i = 0; i < 3; i++) {
@@ -206,16 +221,16 @@ public:
     return n;
   }
 
-const matrix operator*(vector &v) const {
+  const matrix operator*(vector &v) const {
-  matrix res(this->get_num_entries(), this->get_entry_dimension());
+    matrix res(this->get_num_entries(), this->get_entry_dimension());
-  for (long long i = 0; i < this->get_num_entries(); i++) {
+    for (long long i = 0; i < this->get_num_entries(); i++) {
-    for (long long j = 0; j < this->get_entry_dimension(); j++) {
+      for (long long j = 0; j < this->get_entry_dimension(); j++) {
-      res[i][j] = (this->get_entry(i)[j] * v.get_entry(i));
+        res[i][j] = (this->get_entry(i)[j] * v.get_entry(i));
+      }
     }
-  }
 
-  return res;
+    return res;
-}
+  }
   const matrix operator*(const matrix m) const {
     matrix n(this->num_entries, m.entry_dimension);
     if (this->num_entries != m.entry_dimension &&

vector.hpp

@@ -1,5 +1,6 @@
 #pragma once
 #include "cnumber.hpp"
+#include <iomanip>
 #include <iostream>
 using namespace std;
 class matrix;
@@ -11,12 +12,12 @@ private:
 
 public:
   bool is_error() { return this->err; }
-  vector() {};
+  vector(){};
   vector(const long long dimention) {
     this->err = false;
     this->dimention = dimention;
     free(this->entries);
-    this->entries = (cnumber *)malloc(sizeof(cnumber)* dimention);
+    this->entries = (cnumber *)malloc(sizeof(cnumber) * dimention);
     for (long long i = 0; i < dimention; i++) {
       this->set_entry(i, cnumber(0, 0));
     }
@@ -25,7 +26,7 @@ public:
     this->err = false;
     this->dimention = v.get_dimention();
     free(this->entries);
-    this->entries = (cnumber *)malloc(sizeof(cnumber)* v.get_dimention());
+    this->entries = (cnumber *)malloc(sizeof(cnumber) * v.get_dimention());
     for (long long i = 0; i < v.get_dimention(); i++) {
       this->set_entry(i, v.get_entry(i));
     }
@@ -33,7 +34,7 @@ public:
   ~vector() {
     this->dimention = 0;
     free(this->entries);
-    //this->entries = NULL;
+    // this->entries = NULL;
     this->err = true;
   }
   long long get_dimention() const { return this->dimention; }
@@ -59,8 +60,20 @@ public:
   cnumber &operator[](const long long index) { return this->entries[index]; }
 
   friend ostream &operator<<(ostream &os, const vector &v) {
+    int longest = 0;
     for (long long i = 0; i < v.get_dimention(); i++) {
-      os << "| " << v[i] << " |";
+      ostringstream oss;
+      oss << v[i];
+      string s = oss.str();
+      if (longest < s.length())
+	      longest = s.length();
+    }
+    for (long long i = 0; i < v.get_dimention(); i++) {
+      ostringstream oss;
+      oss << v[i];
+      string s = oss.str();
+      int padding = longest - s.length() +1;
+      os << "|" << v[i] << std::setw(padding) << "|";
       if (i != v.get_dimention() - 1)
         os << endl;
     }
@@ -69,7 +82,7 @@ public:
   void operator=(const vector &v) {
     this->dimention = v.get_dimention();
     free(this->entries);
-    this->entries = (cnumber *)malloc(sizeof(cnumber)* dimention);
+    this->entries = (cnumber *)malloc(sizeof(cnumber) * dimention);
     for (long long i = 0; i < v.get_dimention(); i++) {
       this->set_entry(i, v.get_entry(i));
     }