2 files changed, 33 insertions, 4 deletions

diff --git a/packages/base/src/Data/Packed/Internal/Numeric.hs b/packages/base/src/Data/Packed/Internal/Numeric.hs
index 7359433..9b6b55b 100644
--- a/packages/base/src/Data/Packed/Internal/Numeric.hs
+++ b/packages/base/src/Data/Packed/Internal/Numeric.hs
@@ -39,6 +39,7 @@ module Data.Packed.Internal.Numeric (
     roundVector,
     RealOf, ComplexOf, SingleOf, DoubleOf,
     IndexOf,
+    CInt,
     module Data.Complex
 ) where
 
@@ -51,6 +52,7 @@ import Data.Complex
 
 import Numeric.LinearAlgebra.LAPACK(multiplyR,multiplyC,multiplyF,multiplyQ)
 import Data.Packed.Internal
+import Foreign.C.Types(CInt)
 
 -------------------------------------------------------------------
 
@@ -123,6 +125,33 @@ class (Complexable c, Fractional e, SContainer c e) => Container c e
 
 --------------------------------------------------------------------------
 
+instance SContainer Vector CInt
+  where
+    size' = dim
+--    scale' = vectorMapValF Scale
+--    addConstant = vectorMapValF AddConstant
+--    add = vectorZipF Add
+--    sub = vectorZipF Sub
+--    mul = vectorZipF Mul
+--    equal u v = dim u == dim v && maxElement (vectorMapF Abs (sub u v)) == 0.0
+    scalar' x = fromList [x]
+    konst' = constantD
+    build' = buildV
+    cmap' = mapVector
+    atIndex' = (@>)
+--    minIndex'     = emptyErrorV "minIndex"   (round . toScalarF MinIdx)
+--    maxIndex'     = emptyErrorV "maxIndex"   (round . toScalarF MaxIdx)
+--    minElement'   = emptyErrorV "minElement" (toScalarF Min)
+--    maxElement'   = emptyErrorV "maxElement" (toScalarF Max)
+--    sumElements'  = sumF
+--    prodElements' = prodF
+--    step' = stepF
+    find' = findV
+    assoc' = assocV
+    accum' = accumV
+--    cond' = condV condI
+
+
 instance SContainer Vector Float
   where
     size' = dim
diff --git a/packages/base/src/Data/Packed/Numeric.hs b/packages/base/src/Data/Packed/Numeric.hs
index ae5fad7..4d66f27 100644
--- a/packages/base/src/Data/Packed/Numeric.hs
+++ b/packages/base/src/Data/Packed/Numeric.hs
@@ -219,11 +219,11 @@ class Konst e d c | d -> c, c -> d
     --
     konst :: e -> d -> c e
 
-instance Container Vector e => Konst e Int Vector
+instance SContainer Vector e => Konst e Int Vector
   where
     konst = konst'
 
-instance Container Vector e => Konst e (Int,Int) Matrix
+instance (Num e, SContainer Vector e) => Konst e (Int,Int) Matrix
   where
     konst = konst'
 
@@ -246,11 +246,11 @@ class Build d f c e | d -> c, c -> d, f -> e, f -> d, f -> c, c e -> f, d e -> f
     --
     build :: d -> f -> c e
 
-instance Container Vector e => Build Int (e -> e) Vector e
+instance SContainer Vector e => Build Int (e -> e) Vector e
   where
     build = build'
 
-instance Container Matrix e => Build (Int,Int) (e -> e -> e) Matrix e
+instance SContainer Matrix e => Build (Int,Int) (e -> e -> e) Matrix e
   where
     build = build'