diff --git a/THANKS.md b/THANKS.md
--- a/THANKS.md
+++ b/THANKS.md
@@ -159,7 +159,8 @@
 
 - Denis Laxalde separated the gsl tests from the base ones.
 
-- Dominic Steinitz (idontgetoutmuch) reported a bug in the static diagonal creation functions.
+- Dominic Steinitz (idontgetoutmuch) reported a bug in the static diagonal creation functions and
+  added Cholesky to Static.
 
 - Dylan Thurston reported an error in the glpk documentation and ambiguity in
   the description of linearSolve.
@@ -182,4 +183,10 @@
 - C.J. East fixed the examples for simplex.
 
 - Ben Gamari contributed fixes for ghc 7.10
+
+- Piotr Mardziel added general sparse constraints to simplex and the interface to glp_exact
+
+- Maxim Baz fixed an instance declaration for ghc 7.11
+
+- Thomas M. DuBuisson fixed a C include file.
 
diff --git a/hmatrix.cabal b/hmatrix.cabal
--- a/hmatrix.cabal
+++ b/hmatrix.cabal
@@ -1,5 +1,5 @@
 Name:               hmatrix
-Version:            0.16.1.4
+Version:            0.16.1.5
 License:            BSD3
 License-file:       LICENSE
 Author:             Alberto Ruiz
diff --git a/src/C/vector-aux.c b/src/C/vector-aux.c
--- a/src/C/vector-aux.c
+++ b/src/C/vector-aux.c
@@ -13,6 +13,7 @@
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <stdint.h>
 
 #define MACRO(B) do {B} while (0)
 #define ERROR(CODE) MACRO(return CODE;)
diff --git a/src/Data/Packed/Internal/Numeric.hs b/src/Data/Packed/Internal/Numeric.hs
--- a/src/Data/Packed/Internal/Numeric.hs
+++ b/src/Data/Packed/Internal/Numeric.hs
@@ -241,7 +241,7 @@
 
 ---------------------------------------------------------------
 
-instance (Container Vector a) => Container Matrix a
+instance (Fractional a, Element a, Container Vector a) => Container Matrix a
   where
     size' = size
     scale' x = liftMatrix (scale' x)
diff --git a/src/Numeric/LinearAlgebra/Static.hs b/src/Numeric/LinearAlgebra/Static.hs
--- a/src/Numeric/LinearAlgebra/Static.hs
+++ b/src/Numeric/LinearAlgebra/Static.hs
@@ -52,7 +52,7 @@
     linSolve, (<\>),
     -- * Factorizations
     svd, withCompactSVD, svdTall, svdFlat, Eigen(..),
-    withNullspace, qr,
+    withNullspace, qr, chol,
     -- * Misc
     mean,
     Disp(..), Domain(..),
@@ -68,7 +68,7 @@
     row,col,vector,matrix,linspace,toRows,toColumns,
     (<\>),fromList,takeDiag,svd,eig,eigSH,eigSH',
     eigenvalues,eigenvaluesSH,eigenvaluesSH',build,
-    qr,size,app,mul,dot)
+    qr,size,app,mul,dot,chol)
 import qualified Numeric.LinearAlgebra.HMatrix as LA
 import Data.Proxy(Proxy)
 import Numeric.LinearAlgebra.Static.Internal
@@ -305,6 +305,9 @@
     eigensystem (extract -> m) = (mkC l, mkM v)
       where
         (l,v) = LA.eig m
+
+chol :: KnownNat n => Sym n -> Sq n
+chol (extract . unSym -> m) = mkL $ LA.cholSH m
 
 --------------------------------------------------------------------------------