move Eigen format definition to Matrix.h

gtsam/base/Matrix.cpp

@@ -139,16 +139,6 @@ Vector operator^(const Matrix& A, const Vector & v) {
 /* ************************************************************************* */
 //3 argument call
 void print(const Matrix& A, const string &s, ostream& stream) {
-  static const Eigen::IOFormat matlab(
-      Eigen::StreamPrecision, // precision
-      0, // flags
-      ", ", // coeffSeparator
-      ";\n", // rowSeparator
-      "\t",  // rowPrefix
-      "", // rowSuffix
-      "[\n", // matPrefix
-      "\n]" // matSuffix
-      );
   cout << s << A.format(matlab) << endl;
 }
 

gtsam/base/Matrix.h

@@ -76,6 +76,18 @@ GTSAM_MAKE_MATRIX_DEFS(9);
 typedef Eigen::Block<Matrix> SubMatrix;
 typedef Eigen::Block<const Matrix> ConstSubMatrix;
 
+// Matrix formatting arguments when printing. Akin to Matlab style.
+const Eigen::IOFormat matlab(
+  Eigen::StreamPrecision, // precision
+  0, // flags
+  ", ", // coeffSeparator
+  ";\n", // rowSeparator
+  "\t",  // rowPrefix
+  "", // rowSuffix
+  "[\n", // matPrefix
+  "\n]" // matSuffix
+);
+
 /**
  * equals with a tolerance
  */