updated.

src/types.jl

@@ -1,6 +1,22 @@
 # This file is a part of JuliaFEM.
 # License is MIT: see https://github.com/JuliaFEM/JuliaFEM.jl/blob/master/LICENSE.md
 
+"""
+Integration point
+
+xi :: Array{Float64, 1}
+    (dimensionless) coordinates of integration point
+weight :: Float64
+    Integration weight
+attributes :: Dict{ASCIIString, Any}
+    This is used to save internal variables of IP needed e.g. for incremental
+    material models.
+"""
+type IntegrationPoint
+    xi :: Array{Float64, 1}
+    weight :: Float64
+    attributes :: Dict{ASCIIString, Any}
+end
 
 type Element
     id :: Int
@@ -8,9 +24,10 @@ type Element
     node_ids :: Array{Int, 1}
     basis :: Function
     dbasis :: Function
+    integration_points :: Array{IntegrationPoint, 1}
     attributes :: Dict{ASCIIString, Any}
-    ipoints :: Array{Float64, 2}
-    iweights :: Array{Float64, 1}
+#   ipoints :: Array{Float64, 2}
+#   iweights :: Array{Float64, 1}
 end