Diff: vectr.h

Revision:

0:55dbdc9614f8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vectr.h	Sat Oct 13 12:22:02 2012 +0000
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+/* Copyright (c) 2011 Alex Allen, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+ * and associated documentation files (the "Software"), to deal in the Software without restriction, 
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or 
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+ #ifndef VECTR
+
+#include <iostream>
+using namespace std;
+
+class vectr
+{
+    double x,y,z;
+    
+    public:
+    
+    vectr(); // initialises vector as all 0s
+    vectr(double num); // initialises vector as all num
+    vectr(double a, double b); // x = a, y = b, z = 0
+    vectr(double a, double b, double c); // x = a, y = b, z = c
+    
+    void set(double a, double b, double c); // sets all values of the vector
+    void setx(double a);  // sets the x component
+    void sety(double b); // sets the y component
+    void setz(double c);  // sets the z component
+    
+    double getx(); // gets the x component
+    double gety(); // gets the y component
+    double getz(); // gets the z component
+    
+    double mag(); // returns magnitude of the vector
+    double mag2(); // returns magnitude squared of the vector
+
+    vectr unit(); // returns the unit vector
+    vectr operator+(vectr ob2); // output = this + ob2
+    vectr operator-(vectr ob2); // output = this - ob2
+    double operator*(vectr ob2); // output = dot product of this and ob2
+    vectr operator*(double num); // output = this * num
+    
+    friend vectr operator*(double num, vectr ob); // output = num * ob
+    vectr operator%(vectr ob2); // output = cross product of this and ob2
+    vectr operator/(double num); // output = this / num
+    friend vectr operator/(double num, vectr ob); // output = num * 1/ob
+    
+    // output = dot product of this and 1/ob
+    double operator/(vectr ob2);
+    vectr operator+=(vectr ob2);
+    vectr operator-=(vectr ob2);
+    vectr operator*=(double num);
+    vectr operator/=(double num);
+    
+    // output in the form "(x, y, z)"
+    friend ostream &operator<<(ostream &stream, vectr ob);
+};
+
+#define VECTR 1
+#endif
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