3 files changed, 7 insertions, 2 deletions

diff --git a/THANKS b/THANKS
index 083495b..c6a8264 100644
--- a/THANKS
+++ b/THANKS
@@ -88,3 +88,6 @@ module reorganization, monadic mapVectorM, and many other improvements.
 - Sacha Sokoloski reported an installation problem on Arch Linux and
   helped with the configuration.
 
+- Carter Schonwald helped with the configuration for Homebrew OS X and
+  found a tolerance problem in test "1E5 rots".
+
diff --git a/hmatrix.cabal b/hmatrix.cabal
index bd64998..dd1a6b3 100644
--- a/hmatrix.cabal
+++ b/hmatrix.cabal
@@ -179,7 +179,9 @@ library
 
     if os(OSX)
         extra-lib-dirs: /opt/local/lib/
-        include-dirs: /opt/local/include
+        include-dirs: /opt/local/include/
+        extra-lib-dirs: /usr/local/lib/
+        include-dirs: /usr/local/include/
         extra-libraries: gsl
         if arch(i386)
             cc-options: -arch i386
diff --git a/lib/Numeric/LinearAlgebra/Tests.hs b/lib/Numeric/LinearAlgebra/Tests.hs
index 2b5869d..5036e3f 100644
--- a/lib/Numeric/LinearAlgebra/Tests.hs
+++ b/lib/Numeric/LinearAlgebra/Tests.hs
@@ -213,7 +213,7 @@ rot a = (3><3) [ c,0,s
     where c = cos a
           s = sin a
 
-rotTest = fun (10^5) :~12~: rot 5E4
+rotTest = fun (10^5) :~11~: rot 5E4
     where fun n = foldl1' (<>) (map rot angles)
               where angles = toList $ linspace n (0,1)