Diff: Vec3.cpp

Revision:

0:785cff1e5a7c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Vec3.cpp	Mon Jan 04 15:19:10 2016 +0000
@@ -0,0 +1,65 @@
+/*
+    File:           Vec3.cpp
+
+    Function:       Implements Vec3.h
+
+    Author(s):      Andrew Willmott
+
+    Copyright:      (c) 1995-2001, Andrew Willmott
+
+*/
+
+
+#include "Vec3.h"
+//#include <cctype>
+//#include <iomanip>
+
+/*
+ostream &operator << (ostream &s, const Vec3 &v)
+{
+    Int w = s.width();
+
+    return(s << '[' << v[0] << ' ' << setw(w) << v[1] << ' ' << setw(w) << v[2] << ']');
+}
+
+istream &operator >> (istream &s, Vec3 &v)
+{
+    Vec3    result;
+    Char    c;
+
+    // Expected format: [1 2 3]
+
+    while (s >> c && isspace(c))
+        ;
+
+    if (c == '[')
+    {
+        s >> result[0] >> result[1] >> result[2];
+
+        if (!s)
+        {
+            cerr << "Error: Expected number while reading vector\n";
+            return(s);
+        }
+
+        while (s >> c && isspace(c))
+            ;
+
+        if (c != ']')
+        {
+            s.clear(ios::failbit);
+            cerr << "Error: Expected ']' while reading vector\n";
+            return(s);
+        }
+    }
+    else
+    {
+        s.clear(ios::failbit);
+        cerr << "Error: Expected '[' while reading vector\n";
+        return(s);
+    }
+
+    v = result;
+    return(s);
+}
+*/