diff -Naur ceres-solver-1.13.0.orig/internal/ceres/levenberg_marquardt_strategy_test.cc ceres-solver-1.13.0/internal/ceres/levenberg_marquardt_strategy_test.cc
--- ceres-solver-1.13.0.orig/internal/ceres/levenberg_marquardt_strategy_test.cc	2017-08-03 15:10:55.000000000 +0800
+++ ceres-solver-1.13.0/internal/ceres/levenberg_marquardt_strategy_test.cc	2017-10-16 11:34:48.510059700 +0800
@@ -149,15 +149,8 @@
     // are versions of glog which are not in the google namespace.
     using namespace google;
 
-#if defined(_MSC_VER)
-    // Use GLOG_WARNING to support MSVC if GLOG_NO_ABBREVIATED_SEVERITIES
-    // is defined.
     EXPECT_CALL(log, Log(GLOG_WARNING, _,
                          HasSubstr("Failed to compute a step")));
-#else
-    EXPECT_CALL(log, Log(google::WARNING, _,
-                         HasSubstr("Failed to compute a step")));
-#endif
 
     TrustRegionStrategy::Summary summary =
         lms.ComputeStep(pso, &dsm, &residual, x);
diff -Naur ceres-solver-1.13.0.orig/internal/ceres/sparse_cholesky_test.cc ceres-solver-1.13.0/internal/ceres/sparse_cholesky_test.cc
--- ceres-solver-1.13.0.orig/internal/ceres/sparse_cholesky_test.cc	2017-08-03 15:10:55.000000000 +0800
+++ ceres-solver-1.13.0/internal/ceres/sparse_cholesky_test.cc	2017-10-15 21:08:40.687205600 +0800
@@ -137,7 +137,7 @@
   lhs->ToDenseMatrix(&eigen_lhs);
   EXPECT_NEAR((actual - expected).norm() / actual.norm(),
               0.0,
-              std::numeric_limits<double>::epsilon() * 10)
+              std::numeric_limits<double>::epsilon() * 15)
       << "\n"
       << eigen_lhs;
 }