From a89781a9e6c08765900f5d64d4efd6d91240e09f Mon Sep 17 00:00:00 2001
From: Sungtae An <stan84@gatech.edu>
Date: Thu, 6 Nov 2014 14:26:46 -0500
Subject: [PATCH] Add some comments

---
 tests/testPCGSolver.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/testPCGSolver.cpp b/tests/testPCGSolver.cpp
index 38a40521a..04c4e9d52 100644
--- a/tests/testPCGSolver.cpp
+++ b/tests/testPCGSolver.cpp
@@ -13,6 +13,7 @@
  * @file    testPCGSolver.cpp
  * @brief   Unit tests for PCGSolver class
  * @author  Yong-Dian Jian
+ * @date    Aug 06, 2014
  */
 
 #include <tests/smallExample.h>
@@ -51,6 +52,7 @@ using symbol_shorthand::X;
 using symbol_shorthand::L;
 
 /* ************************************************************************* */
+// Test cholesky decomposition
 TEST( PCGSolver, llt ) {
   Matrix R = (Matrix(3,3) <<
                 1., -1., -1.,
@@ -90,6 +92,7 @@ TEST( PCGSolver, llt ) {
 }
 
 /* ************************************************************************* */
+// Test Dummy Preconditioner
 TEST( PCGSolver, dummy )
 {
   LevenbergMarquardtParams paramsPCG;
@@ -110,6 +113,7 @@ TEST( PCGSolver, dummy )
 }
 
 /* ************************************************************************* */
+// Test Block-Jacobi Precondioner
 TEST( PCGSolver, blockjacobi )
 {
   LevenbergMarquardtParams paramsPCG;
@@ -130,6 +134,7 @@ TEST( PCGSolver, blockjacobi )
 }
 
 /* ************************************************************************* */
+// Test Incremental Subgraph PCG Solver
 TEST( PCGSolver, subgraph )
 {
   LevenbergMarquardtParams paramsPCG;