Add isVector and fix isScalar function to Matrix.

src/Matrix.cpp

@@ -255,14 +255,22 @@ namespace Aurora {
     bool Matrix::isScalar() const {
         return (getDimSize(0) == 1 &&
                 getDimSize(1) == 1 &&
-                getDimSize(1));
+                getDimSize(2) < 2);
     }
+
     double Matrix::getScalar() const {
         if (isNull()) return 0.0;
         if (isNull()) return 0.0;
         return getData()[0];
     }
 
+    bool Matrix::isVector() const{
+        if (getDimSize(2)>1) return false;
+        if (isScalar) return false;
+        return getDimSize(0) == 1 ||
+                getDimSize(1) == 1;
+    }
+
     int Matrix::getDims() const {
         if(mInfo[2] > 1)
         {

src/Matrix.h

@@ -178,6 +178,8 @@ namespace Aurora {
          */
         bool isNull() const;
 
+        bool isVector() const;
+
         /**
          * Get dimension count of the matrix
          * @return  dimension count