added a new directory "python" in the benchmarks

benchmarks/python/adaptivity.py

+import math
+from gmshpy import *
+from Common import *
+
+def Adaptation ( gm , gm_adapt) :
+
+    print "hello 1"
+    myMap = IntDoubleVectorMap ()
+    gf = gm.getFaceByTag(6)
+    print "hello 2"
+    for i in range(1, gf.getNumMeshElements()):
+        e = gf.getMeshElement(i)
+        for j in range (0, e.getNumVertices()):
+            v = e.getVertex(j)
+            x = v.x()
+            y = v.y()
+            myMap[v.getNum()] = [math.tanh(-100*(y-0.5-0.25*sin(2*3.14159*x))) + tanh(100*(y-x))];       
+#            myMap[v.getNum()] = [math.exp(-100*((v.x()-0.5)*(v.x()-0.5)+(v.y()-0.5)*(v.y()-0.5)))]
+    print "hello 3", myMap.size()
+    pv = PView ('xcarre','NodeData', gm, myMap)
+    pve = PViewEvaluator (pv)
+    lcMin = 0.00001
+    lcMax = .1
+    eps = 1.e-2
+    nbIter = 4
+    allDim = 1
+    
+    gm_adapt.adaptMesh([2], [pve], [[eps, lcMin, lcMax]], nbIter, allDim)
+    print "hello 4"
+
+gm = GModel()
+gm.load('square.geo')
+gm.load('square.msh')
+
+gm_adapt = GModel()
+gm_adapt.load('square.geo')
+
+gm_adapt2 = GModel()
+gm_adapt2.load('square.geo')
+
+Adaptation ( gm , gm_adapt2)
+print "------------------------------------------------------------------------"
+Adaptation ( gm_adapt2 , gm_adapt)

benchmarks/python/square.geo

+fact = 1;
+lc = .01 * fact;       
+Point(1) = {0.0,0.0,0,lc};       
+Point(2) = {1* fact,0.0,0,lc};       
+Point(3) = {1* fact,1* fact,0,lc};       
+Point(4) = {0,1* fact,0,lc};       
+Line(1) = {3,2};       
+Line(2) = {2,1};       
+Line(3) = {1,4};       
+Line(4) = {4,3};       
+Line Loop(5) = {1,2,3,4};       
+Plane Surface(6) = {5};