move RedirectCout to base/utilities.h

gtsam/base/utilities.h

@@ -0,0 +1,29 @@
+#pragma once
+
+namespace gtsam {
+/**
+ * For Python __str__().
+ * Redirect std cout to a string stream so we can return a string representation
+ * of an object when it prints to cout.
+ * https://stackoverflow.com/questions/5419356/redirect-stdout-stderr-to-a-string
+ */
+struct RedirectCout {
+  /// constructor -- redirect stdout buffer to a stringstream buffer
+  RedirectCout() : ssBuffer_(), coutBuffer_(std::cout.rdbuf(ssBuffer_.rdbuf())) {}
+
+  /// return the string
+  std::string str() const {
+    return ssBuffer_.str();
+  }
+
+  /// destructor -- redirect stdout buffer to its original buffer
+  ~RedirectCout() {
+    std::cout.rdbuf(coutBuffer_);
+  }
+
+private:
+  std::stringstream ssBuffer_;
+  std::streambuf* coutBuffer_;
+};
+
+}

gtsam/nonlinear/utilities.h

@@ -260,30 +260,5 @@ Values localToWorld(const Values& local, const Pose2& base,
 
 } // namespace utilities
 
-/**
- * For Python __str__().
- * Redirect std cout to a string stream so we can return a string representation
- * of an object when it prints to cout.
- * https://stackoverflow.com/questions/5419356/redirect-stdout-stderr-to-a-string
- */
-struct RedirectCout {
-  /// constructor -- redirect stdout buffer to a stringstream buffer
-  RedirectCout() : ssBuffer_(), coutBuffer_(std::cout.rdbuf(ssBuffer_.rdbuf())) {}
-
-  /// return the string
-  std::string str() const {
-    return ssBuffer_.str();
-  }
-
-  /// destructor -- redirect stdout buffer to its original buffer
-  ~RedirectCout() {
-    std::cout.rdbuf(coutBuffer_);
-  }
-
-private:
-  std::stringstream ssBuffer_;
-  std::streambuf* coutBuffer_;
-};
-
 }