Fixed some issue with scalar multiplications (explicit) and continued with UNIT tests

src/blackmisc/mathmatrix3x1.h

@@ -40,18 +40,18 @@ public:
         this->m_matrix(2, 0) = r3;
     }
 
-    /*!
-     * \brief init with value
-     * \param fillValue
-     */
-    CMatrix3x1(qreal fillValue) : CMatrixBase(fillValue) {}
-
     /*!
      * \brief Copy constructor
      * \param other
      */
     CMatrix3x1(const CMatrix3x1 &otherMatrix) : CMatrixBase(otherMatrix) {}
 
+    /*!
+     * \brief Init by fill value
+     * \param fillValue
+     */
+    explicit CMatrix3x1(double fillValue) : CMatrixBase(fillValue) {}
+
     /*!
      * \brief Convert to vector
      * \return