Make -[vMAT_Array dump] output slightly more legible; now at least it…

… does columns.
kaelin · Apr 8, 2013 · c42f597 · c42f597
1 parent 312171d
commit c42f597
Showing 1 changed file with 11 additions and 4 deletions.
diff --git a/vMAT/vMAT_Array+UnaryOps.mm b/vMAT/vMAT_Array+UnaryOps.mm
@@ -35,12 +35,18 @@ - (vMAT_Array *)mtrans;
     template <typename T>
     struct render {
         NSMutableString * dump;
-        render(NSMutableString * dump) : dump(dump) { }
-        void operator()(T a) const
+        const int columns;
+        long count;
+        render(NSMutableString * dump, int columns) : dump(dump), columns(columns), count(0) { }
+        void operator()(T a)
         {
             stringstream out;
+            out.width(13);
+            out.fill(' ');
             out << a;
-            [dump appendFormat:@"%s ", out.str().c_str()];
+            if (++count % columns == 0) out << "\n";
+            else out << " ";
+            [dump appendFormat:@"%s", out.str().c_str()];
         }
     };
 
@@ -51,7 +57,8 @@ void operator()(T a) const
         NSMutableString * dump = [NSMutableString stringWithString:prefix];
         [dump appendString:@" = \n"];
         vector<T> vecA(A, A + vMAT_Size_prod(sizeA));
-        for_each(vecA.begin(), vecA.end(), render<T>(dump));
+        render<T> renderer(dump, sizeA[0]);
+        for_each(vecA.begin(), vecA.end(), renderer);
         return dump;
     }