From c8eeaf4ad9008c8bcf9d22b96cd1a64fe9ead4c8 Mon Sep 17 00:00:00 2001
From: Alex Stewart <alexs.mac@gmail.com>
Date: Mon, 30 Mar 2015 19:54:26 +0100
Subject: [PATCH] Increase tolerance in small_blas test for Cygwin.

- Previous tolerance of 2.0 * std::numeric_limits<double>::epsilon()
  was too tight for Cygwin, worked on all other known platforms.

Change-Id: Ia79ad8961272dbb608d8e8ddd3f6d52e5f0735f4
---
 internal/ceres/small_blas_test.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/ceres/small_blas_test.cc b/internal/ceres/small_blas_test.cc
index 675aec93e..ddb11ab97 100644
--- a/internal/ceres/small_blas_test.cc
+++ b/internal/ceres/small_blas_test.cc
@@ -37,7 +37,7 @@
 namespace ceres {
 namespace internal {
 
-const double kTolerance = 2.0 * std::numeric_limits<double>::epsilon();
+const double kTolerance = 3.0 * std::numeric_limits<double>::epsilon();
 
 TEST(BLAS, MatrixMatrixMultiply) {
   const int kRowA = 3;