# -*- coding: iso-8859-1 -*-
-# Copyright (C) 2007-2013 CEA/DEN, EDF R&D
+# Copyright (C) 2007-2023 CEA, EDF
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
-# version 2.1 of the License.
+# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
-#
-from MEDCoupling import *
+
+import sys
+from medcoupling import *
if MEDCouplingHasNumPyBindings():
from numpy import *
pass
+from platform import architecture
from sys import getrefcount
import os,gc,weakref,unittest
class MEDCouplingNumPyTest(unittest.TestCase):
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test1(self):
sz=20
a=array(0,dtype=int32)
a[:]=4
self.assertEqual(getrefcount(a),2)
a=a.cumsum(dtype=int32)
+ a=array(a,dtype=int64) ; a=array(a,dtype=int32)
self.assertEqual(getrefcount(a),2)
- d=DataArrayInt(a)
+ d=DataArrayInt32(a)
d[:]=2
#
- e=DataArrayInt(sz) ; e.fillWithValue(2)
+ e=DataArrayInt32(sz) ; e.fillWithValue(2)
self.assertTrue(d.isEqual(e))
#
a[:]=4 ; e.fillWithValue(4)
self.assertTrue(d.isEqual(e))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test2(self):
sz=20
a=array(0,dtype=int32)
self.assertEqual(getrefcount(a),3)
self.assertEqual(getrefcount(b),2)
b[:]=5
- d=DataArrayInt(b)
+ d=DataArrayInt32(b)
#
- e=DataArrayInt(sz*2) ; e.fillWithValue(5)
+ e=DataArrayInt32(sz*2) ; e.fillWithValue(5)
self.assertTrue(d.isEqual(e))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test3(self):
sz=10
a=array(0,dtype=int32)
c=a.reshape(2,sz)
b[:]=6
b[7:17]=7
- d=DataArrayInt(b)
- self.assertTrue(d.isEqual(DataArrayInt([6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,6,6,6])))
+ d=DataArrayInt32(b)
+ self.assertTrue(d.isEqual(DataArrayInt32([6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,6,6,6])))
#
a=zeros((10,2),dtype=int32)
b=a.T
c=b.view()
a.shape=20
a[3:]=10.
- d=DataArrayInt(a)
- self.assertTrue(d.isEqual(DataArrayInt([0,0,0,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10])))
+ d=DataArrayInt32(a)
+ self.assertTrue(d.isEqual(DataArrayInt32([0,0,0,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10])))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test4(self):
a=zeros(20,dtype=int32)
b = a[::-1]
self.assertRaises(InterpKernelException,DataArrayInt.New,b) # b is not contiguous in memory
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test5(self):
a=arange(20,dtype=int32)
self.assertEqual(weakref.getweakrefcount(a),0)
- d=DataArrayInt(a)
+ d=DataArrayInt32(a)
self.assertEqual(weakref.getweakrefcount(a),1)
self.assertTrue(not a.flags["OWNDATA"])
- self.assertTrue(d.isIdentity())
- self.assertEqual(len(d),20)
+ self.assertTrue(d.isIota(20))
a[:]=2 # modifying a and d because a and d share the same chunk of data
self.assertTrue(d.isUniform(2))
del d # d is destroyed, a retrieves its ownership of its initial chunk of data
gc.collect()
self.assertTrue(a.flags["OWNDATA"])
a[:]=4 # a can be used has usual
- self.assertTrue(DataArrayInt(a).isUniform(4))
+ self.assertTrue(DataArrayInt32(a).isUniform(4))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test6(self):
a=arange(20,dtype=int32)
- d=DataArrayInt(a) # d owns data of a
- e=DataArrayInt(a) # a not owned -> e only an access to chunk of a
- self.assertTrue(d.isIdentity())
- self.assertTrue(e.isIdentity())
+ d=DataArrayInt32(a) # d owns data of a
+ e=DataArrayInt32(a) # a not owned -> e only an access to chunk of a
+ self.assertTrue(d.isIota(d.getNumberOfTuples()))
+ self.assertTrue(e.isIota(e.getNumberOfTuples()))
a[:]=6
self.assertTrue(d.isUniform(6))
self.assertTrue(e.isUniform(6))
self.assertTrue(not e.isAllocated())
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test7(self):
a=array(0,dtype=int32) ; a.resize(10,2)
b=a.reshape(20)
c=a.reshape(2,10)
- d=DataArrayInt(b) # d owns data of a
- e=DataArrayInt(b) # a not owned -> e only an access to chunk of a
- f=DataArrayInt(b) # a not owned -> e only an access to chunk of a
+ d=DataArrayInt32(b) # d owns data of a
+ e=DataArrayInt32(b) # a not owned -> e only an access to chunk of a
+ f=DataArrayInt32(b) # a not owned -> e only an access to chunk of a
del d # d removed -> a ownes again data
##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
import gc
del b # no impact on e and f because a is the base of a.
##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
gc.collect()
- self.assertTrue(f.isIdentity())
- self.assertTrue(e.isIdentity())
+ self.assertTrue(f.isIota(f.getNumberOfTuples()))
+ self.assertTrue(e.isIota(e.getNumberOfTuples()))
del a # a destroyed, but as c has its base set to a, a exists -> e and f not allocated
##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
gc.collect()
- self.assertTrue(f.isIdentity())
- self.assertTrue(e.isIdentity())
+ self.assertTrue(f.isIota(f.getNumberOfTuples()))
+ self.assertTrue(e.isIota(e.getNumberOfTuples()))
del c # c killed -> a killed -> e and d are put into not allocated state
##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
gc.collect()
self.assertTrue(not f.isAllocated())
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test8(self):
a=arange(20,dtype=int32)
self.assertTrue(a.flags["OWNDATA"])
- d=DataArrayInt(a) # d owns data of a
+ d=DataArrayInt32(a) # d owns data of a
self.assertTrue(not a.flags["OWNDATA"])
d.pushBackSilent(20)# d pushBack so release of chunk of data -> a becomes owner of its data again
self.assertTrue(a.flags["OWNDATA"])
- self.assertTrue(d.isEqual(DataArrayInt([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20])))
+ self.assertTrue(d.isEqual(DataArrayInt32([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20])))
self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19])
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test9(self):
sz=20
a=array(0,dtype=float64)
self.assertTrue(d.isEqual(e,1e-14))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test10(self):
sz=20
a=array(0,dtype=float64)
self.assertTrue(d.isEqual(e,1e-14))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test11(self):
sz=10
a=array(0,dtype=float64)
self.assertTrue(d.isEqual(DataArrayDouble([0,0,0,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10]),1e-14))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test12(self):
a=zeros(20,dtype=float64)
b = a[::-1]
self.assertRaises(InterpKernelException,DataArrayDouble.New,b) # b is not contiguous in memory
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test13(self):
a=arange(20,dtype=float64)
self.assertEqual(weakref.getweakrefcount(a),0)
self.assertTrue(DataArrayDouble(a).isUniform(4,1e-14))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test14(self):
a=arange(20,dtype=float64)
d=DataArrayDouble(a) # d owns data of a
self.assertTrue(not e.isAllocated())
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test15(self):
a=array(0,dtype=float64) ; a.resize(10,2)
b=a.reshape(20)
self.assertTrue(not f.isAllocated())
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test16(self):
a=arange(20,dtype=float64)
self.assertTrue(a.flags["OWNDATA"])
self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19])
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test17(self):
d=DataArrayInt.Range(0,20,1)
a=d.toNumPyArray()
self.assertTrue(d.isEqual(DataArrayInt([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,200,200,200,200],10,2)))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test18(self):
d=DataArrayInt.Range(0,20,1)
d=d.convertToDblArr()
self.assertTrue(d.isEqual(DataArrayDouble([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,200,200,200,200],10,2),1e-14))
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test19(self):
sz=20
a=array(0,dtype=int32)
- a.resize(sz/2,2)
+ a.resize(sz//2,2)
a[:]=4
self.assertEqual(getrefcount(a),2)
- d=DataArrayInt(a)
+ d=DataArrayInt32(a)
self.assertEqual(10,d.getNumberOfTuples())
self.assertEqual(2,d.getNumberOfComponents())
self.assertEqual(sz,d.getNbOfElems())
- self.assertTrue(d.isEqual(DataArrayInt([(4,4),(4,4),(4,4),(4,4),(4,4),(4,4),(4,4),(4,4),(4,4),(4,4)])))
+ self.assertTrue(d.isEqual(DataArrayInt32([(4,4),(4,4),(4,4),(4,4),(4,4),(4,4),(4,4),(4,4),(4,4),(4,4)])))
a[:]=7
- self.assertTrue(d.isEqual(DataArrayInt([(7,7),(7,7),(7,7),(7,7),(7,7),(7,7),(7,7),(7,7),(7,7),(7,7)])))
+ self.assertTrue(d.isEqual(DataArrayInt32([(7,7),(7,7),(7,7),(7,7),(7,7),(7,7),(7,7),(7,7),(7,7),(7,7)])))
#
b=a.reshape((2,5,2))
self.assertRaises(InterpKernelException,DataArrayInt.New,b) # b has not dimension in [0,1] !
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test20(self):
sz=20
a=array(0,dtype=float64)
- a.resize(sz/2,2)
+ a.resize(sz//2,2)
a[:]=4
self.assertEqual(getrefcount(a),2)
d=DataArrayDouble(a)
self.assertRaises(InterpKernelException,DataArrayDouble.New,b) # b has not dimension in [0,1] !
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test21(self):
- #tests that only DataArray*(npArray) contructor is available
+ #tests that only DataArray*(npArray) constructor is available
a=array(0,dtype=int32)
a.resize(20)
- DataArrayInt(a)
+ DataArrayInt32(a)
self.assertRaises(InterpKernelException,DataArrayInt.New,a,20)
self.assertRaises(InterpKernelException,DataArrayInt.New,a,20,1)
a=array(0,dtype=float64)
self.assertRaises(InterpKernelException,DataArrayDouble.New,a,20,1)
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test22(self):
d=DataArrayDouble(10)
d.iota()
self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9])
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test23(self):
d=DataArrayDouble(10)
d.iota()
self.assertEqual(c.tolist(),[0,1,2,3,4,5,6,7,8,9])
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test24(self):
d=DataArrayDouble(10)
d.iota()
self.assertTrue(not b.flags["OWNDATA"])
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test25(self):
a=arange(10,dtype=int32)
- b=DataArrayInt(a)
- c=DataArrayInt(a)
- d=DataArrayInt(a)
- self.assertTrue(b.isIdentity()) ; self.assertEqual(len(b),10)
- self.assertTrue(c.isIdentity()) ; self.assertEqual(len(c),10)
- self.assertTrue(d.isIdentity()) ; self.assertEqual(len(d),10)
+ b=DataArrayInt32(a)
+ c=DataArrayInt32(a)
+ d=DataArrayInt32(a)
+ self.assertTrue(b.isIota(10))
+ self.assertTrue(c.isIota(10))
+ self.assertTrue(d.isIota(10))
c.pushBackSilent(10) # c and a,b are dissociated
- self.assertTrue(b.isIdentity()) ; self.assertEqual(len(b),10)
- self.assertTrue(c.isIdentity()) ; self.assertEqual(len(c),11)
- self.assertTrue(d.isIdentity()) ; self.assertEqual(len(d),10)
+ self.assertTrue(b.isIota(10))
+ self.assertTrue(c.isIota(11))
+ self.assertTrue(d.isIota(10))
del a
gc.collect()
- self.assertTrue(b.isIdentity()) ; self.assertEqual(len(b),10)
- self.assertTrue(c.isIdentity()) ; self.assertEqual(len(c),11)
+ self.assertTrue(b.isIota(10))
+ self.assertTrue(c.isIota(11))
self.assertTrue(not d.isAllocated())
del b
gc.collect()
- self.assertTrue(c.isIdentity()) ; self.assertEqual(len(c),11)
+ self.assertTrue(c.isIota(11))
#
a=arange(10,dtype=int32)
- b=DataArrayInt(a)
- c=DataArrayInt(a)
- self.assertTrue(b.isIdentity()) ; self.assertEqual(len(b),10)
- self.assertTrue(c.isIdentity()) ; self.assertEqual(len(c),10)
+ b=DataArrayInt32(a)
+ c=DataArrayInt32(a)
+ self.assertTrue(b.isIota(10))
+ self.assertTrue(c.isIota(10))
b.pushBackSilent(10) # c and a,b are dissociated
- self.assertTrue(b.isIdentity()) ; self.assertEqual(len(b),11)
- self.assertTrue(c.isIdentity()) ; self.assertEqual(len(c),10)
+ self.assertTrue(b.isIota(11))
+ self.assertTrue(c.isIota(10))
del a
gc.collect()
- self.assertTrue(b.isIdentity()) ; self.assertEqual(len(b),11)
+ self.assertTrue(b.isIota(11))
self.assertTrue(not c.isAllocated())
del b
gc.collect()
self.assertTrue(not c.isAllocated())
pass
- # @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
def test26(self):
d=DataArrayInt(15) ; d.iota()
d.rearrange(3)
self.assertEqual(a.ndim,2)
self.assertEqual(a.size,15)
self.assertEqual(a.shape,(5,3))
- self.assertEqual(a.strides,(12,4))
- self.assertEqual(a.nbytes,60)
- self.assertEqual(a.itemsize,4)
+ self.assertEqual(a.strides,(3*MEDCouplingSizeOfIDs()//8,MEDCouplingSizeOfIDs()//8))
+ self.assertEqual(a.nbytes,15*MEDCouplingSizeOfIDs()//8)
+ self.assertEqual(a.itemsize,MEDCouplingSizeOfIDs()//8)
self.assertEqual(a.tolist(),[[0,1,2],[3,4,5],[6,7,8],[9,10,11],[12,13,14]])
#
d2=d.convertToDblArr()
self.assertEqual(a2.tolist(),[[0.,1.,2.],[3.,4.,5.],[6.,7.,8.],[9.,10.,11.],[12.,13.,14.]])
pass
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test27(self):
+ m0=DenseMatrix(DataArrayDouble([2,3,4,5,1,6]),2,3)
+ m0np=m0.toNumPyMatrix()
+ self.assertEqual(m0np.shape,(2,3))
+ self.assertEqual(m0np.tolist(),[[2.0,3.0,4.0],[5.0,1.0,6.0]])
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test28(self):
+ """Test on DataArrayBytes"""
+ # use case 1
+ d=DataArrayByte(256)
+ for i in range(len(d)):
+ d[i]=-128+i
+ pass
+ arr=d.toNumPyArray()
+ for i in range(len(d)):
+ self.assertEqual(int(arr[i]),-128+i)
+ pass
+ d[0]=7
+ self.assertEqual(int(arr[0]),7)
+ arr[0]=8
+ self.assertEqual(int(d.getIJ(0,0)),8)
+ del arr
+ gc.collect()
+ del d
+ gc.collect()
+ # use case 2
+ d=DataArrayByte(256)
+ for i in range(len(d)):
+ d[i]=-128+i
+ pass
+ arr=d.toNumPyArray()
+ for i in range(len(d)):
+ self.assertEqual(int(arr[i]),-128+i)
+ pass
+ del d
+ gc.collect()
+ del arr
+ gc.collect()
+ # use case 3
+ d=DataArrayByte(256)
+ for i in range(len(d)):
+ d[i]=-128+i
+ pass
+ arr1=d.toNumPyArray()
+ arr2=d.toNumPyArray()
+ arr3=d.toNumPyArray()
+ d[0]=10
+ self.assertEqual(int(arr1[0]),10) ; self.assertEqual(int(arr2[0]),10) ; self.assertEqual(int(arr3[0]),10)
+ arr2[0]=15 ; self.assertEqual(int(d.getIJ(0,0)),15) ; self.assertEqual(int(arr1[0]),15) ; self.assertEqual(int(arr3[0]),15)
+ arr1[0]=-128
+ for i in range(len(d)):
+ self.assertEqual(int(arr1[i]),-128+i)
+ self.assertEqual(int(arr2[i]),-128+i)
+ self.assertEqual(int(arr3[i]),-128+i)
+ pass
+ del arr2
+ gc.collect()
+ for i in range(len(d)):
+ self.assertEqual(int(arr1[i]),-128+i)
+ self.assertEqual(int(arr3[i]),-128+i)
+ pass
+ del arr1
+ gc.collect()
+ for i in range(len(d)):
+ self.assertEqual(int(arr3[i]),-128+i)
+ pass
+ del arr3
+ gc.collect()
+ # use case 4
+ arr=array(0,dtype=int8)
+ arr.resize(256)
+ for i in range(256):
+ arr[i]=-128+i
+ pass
+ d=DataArrayByte(arr)
+ for i in range(256):
+ self.assertEqual(int(d.getIJ(i,0)),-128+i)
+ pass
+ del arr
+ gc.collect()
+ del d
+ gc.collect()
+ # use case 5
+ arr=array(0,dtype=int8)
+ arr.resize(256)
+ for i in range(256):
+ arr[i]=-128+i
+ pass
+ d=DataArrayByte(arr)
+ for i in range(256):
+ self.assertEqual(int(d.getIJ(i,0)),-128+i)
+ pass
+ del d
+ gc.collect()
+ del arr
+ gc.collect()
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test29(self):
+ """Same as test9 with float32"""
+ sz=20
+ a=array(0,dtype=float32)
+ a.resize(sz)
+ a[:]=4
+ self.assertEqual(getrefcount(a),2)
+ a=a.cumsum(dtype=float32)
+ self.assertEqual(getrefcount(a),2)
+ d=DataArrayFloat(a)
+ d[:]=2
+ #
+ e=DataArrayFloat(sz) ; e.fillWithValue(2)
+ self.assertTrue(d.isEqual(e,1e-7))
+ #
+ a[:]=4 ; e.fillWithValue(4)
+ self.assertTrue(d.isEqual(e,1e-7))
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test30(self):
+ """Same as test10 with float32"""
+ sz=20
+ a=array(0,dtype=float32)
+ a.resize(sz,2)
+ self.assertEqual(getrefcount(a),2)
+ b=a.reshape(2*sz)
+ self.assertEqual(getrefcount(a),3)
+ self.assertEqual(getrefcount(b),2)
+ b[:]=5
+ d=DataArrayFloat(b)
+ #
+ e=DataArrayFloat(sz*2) ; e.fillWithValue(5)
+ self.assertTrue(d.isEqual(e,1e-7))
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test31(self):
+ """Same as test11 with float32"""
+ sz=10
+ a=array(0,dtype=float32)
+ a.resize(sz,2)
+ b=a.reshape(2*sz)
+ c=a.reshape(2,sz)
+ b[:]=6
+ b[7:17]=7
+ d=DataArrayFloat(b)
+ self.assertTrue(d.isEqual(DataArrayFloat([6,6,6,6,6,6,6,7,7,7,7,7,7,7,7,7,7,6,6,6]),1e-7))
+ #
+ a=zeros((10,2),dtype=float32)
+ b=a.T
+ c=b.view()
+ a.shape=20
+ a[3:]=10.
+ d=DataArrayFloat(a)
+ self.assertTrue(d.isEqual(DataArrayFloat([0,0,0,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10]),1e-7))
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test32(self):
+ """Same as test12 with float32"""
+ a=zeros(20,dtype=float32)
+ b = a[::-1]
+ self.assertRaises(InterpKernelException,DataArrayFloat.New,b) # b is not contiguous in memory
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test33(self):
+ """Same as test13 with float32"""
+ a=arange(20,dtype=float32)
+ self.assertEqual(weakref.getweakrefcount(a),0)
+ d=DataArrayFloat(a)
+ self.assertEqual(weakref.getweakrefcount(a),1)
+ self.assertTrue(not a.flags["OWNDATA"])
+ self.assertTrue(d.isEqual(DataArrayFloat([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]),1e-7))
+ self.assertEqual(len(d),20)
+ a[:]=2 # modifying a and d because a and d share the same chunk of data
+ self.assertTrue(d.isUniform(2,1e-7))
+ del d # d is destroyed, a retrieves its ownership of its initial chunk of data
+ ##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
+ import gc
+ gc.collect()
+ self.assertTrue(a.flags["OWNDATA"])
+ a[:]=4 # a can be used has usual
+ self.assertTrue(DataArrayFloat(a).isUniform(4,1e-7))
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test34(self):
+ """Same as test14 with float32"""
+ a=arange(20,dtype=float32)
+ d=DataArrayFloat(a) # d owns data of a
+ e=DataArrayFloat(a) # a not owned -> e only an access to chunk of a
+ self.assertTrue(d.isEqual(DataArrayFloat([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]),1e-7))
+ self.assertTrue(e.isEqual(DataArrayFloat([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]),1e-7))
+ a[:]=6
+ self.assertTrue(d.isUniform(6,1e-7))
+ self.assertTrue(e.isUniform(6,1e-7))
+ del a # a destroyed -> d no change because owned and e array is has no more data set
+ ##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
+ import gc
+ gc.collect()
+ self.assertTrue(d.isUniform(6,1e-7))
+ self.assertTrue(not e.isAllocated())
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test35(self):
+ """Same as test15 with float32"""
+ a=array(0,dtype=float32) ; a.resize(10,2)
+ b=a.reshape(20)
+ c=a.reshape(2,10)
+ d=DataArrayFloat(b) # d owns data of a
+ e=DataArrayFloat(b) # a not owned -> e only an access to chunk of a
+ f=DataArrayFloat(b) # a not owned -> e only an access to chunk of a
+ del d # d removed -> a ownes again data
+ ##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
+ import gc
+ gc.collect()
+ self.assertTrue(e.isUniform(0,1e-7))
+ e[:]=6
+ self.assertTrue(e.isUniform(6,1e-7))
+ self.assertTrue(f.isUniform(6,1e-7))
+ self.assertEqual(b.tolist(),[6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6])
+ self.assertEqual(a.tolist(),[[6,6],[6,6],[6,6],[6,6],[6,6],[6,6],[6,6],[6,6],[6,6],[6,6]])
+ b[:]=arange(20)
+ del b # no impact on e and f because a is the base of a.
+ ##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
+ gc.collect()
+ self.assertTrue(f.isEqual(DataArrayFloat([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]),1e-7))
+ self.assertTrue(e.isEqual(DataArrayFloat([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]),1e-7))
+ del a # a destroyed, but as c has its base set to a, a exists -> e and f not allocated
+ ##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
+ gc.collect()
+ self.assertTrue(f.isEqual(DataArrayFloat([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]),1e-7))
+ self.assertTrue(e.isEqual(DataArrayFloat([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19]),1e-7))
+ del c # c killed -> a killed -> e and d are put into not allocated state
+ ##@@ Ensure a pass of the garbage collector so that the de-allocator of d is called
+ gc.collect()
+ self.assertTrue(not e.isAllocated())
+ self.assertTrue(not f.isAllocated())
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test36(self):
+ """Same as test16 with float32"""
+ a=arange(20,dtype=float32)
+ self.assertTrue(a.flags["OWNDATA"])
+ d=DataArrayFloat(a) # d owns data of a
+ self.assertTrue(not a.flags["OWNDATA"])
+ d.pushBackSilent(20)# d pushBack so release of chunk of data -> a becomes owner of its data again
+ self.assertTrue(a.flags["OWNDATA"])
+ self.assertTrue(d.isEqual(DataArrayFloat([0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]),1e-7))
+ self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19])
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test37(self):
+ """Same as test20 with float32"""
+ sz=20
+ a=array(0,dtype=float32)
+ a.resize(sz//2,2)
+ a[:]=4
+ self.assertEqual(getrefcount(a),2)
+ d=DataArrayFloat(a)
+ self.assertEqual(10,d.getNumberOfTuples())
+ self.assertEqual(2,d.getNumberOfComponents())
+ self.assertEqual(sz,d.getNbOfElems())
+ self.assertTrue(d.isEqual(DataArrayFloat([(4.,4.),(4.,4.),(4.,4.),(4.,4.),(4.,4.),(4.,4.),(4.,4.),(4.,4.),(4.,4.),(4.,4.)]),1e-7))
+ a[:]=7
+ self.assertTrue(d.isEqual(DataArrayFloat([(7.,7.),(7.,7.),(7.,7.),(7.,7.),(7.,7.),(7.,7.),(7.,7.),(7.,7.),(7.,7.),(7.,7.)]),1e-7))
+ #
+ b=a.reshape((2,5,2))
+ self.assertRaises(InterpKernelException,DataArrayFloat.New,b) # b has not dimension in [0,1] !
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test38(self):
+ """Same as test22 with float32"""
+ d=DataArrayFloat(10)
+ d.iota()
+ a=d.toNumPyArray()
+ self.assertTrue(not a.flags["OWNDATA"])
+ del d
+ gc.collect()
+ self.assertTrue(a.flags["OWNDATA"])
+ self.assertEqual(a.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ #
+ d=DataArrayInt(10)
+ d.iota()
+ a=d.toNumPyArray()
+ self.assertTrue(not a.flags["OWNDATA"])
+ del d
+ gc.collect()
+ self.assertTrue(a.flags["OWNDATA"])
+ self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test39(self):
+ """Same as test23 with float32"""
+ d=DataArrayFloat(10)
+ d.iota()
+ a=d.toNumPyArray()
+ b=d.toNumPyArray()
+ c=d.toNumPyArray()
+ self.assertTrue(not a.flags["OWNDATA"])
+ self.assertTrue(not b.flags["OWNDATA"])
+ self.assertTrue(not c.flags["OWNDATA"])
+ self.assertEqual(a.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertEqual(b.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertEqual(c.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ del d
+ gc.collect()
+ self.assertTrue(a.flags["OWNDATA"])
+ self.assertTrue(not b.flags["OWNDATA"])
+ self.assertTrue(not c.flags["OWNDATA"])
+ self.assertEqual(a.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertEqual(b.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertEqual(c.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ #
+ d=DataArrayInt(10)
+ d.iota()
+ a=d.toNumPyArray()
+ b=d.toNumPyArray()
+ c=d.toNumPyArray()
+ self.assertTrue(not a.flags["OWNDATA"])
+ self.assertTrue(not b.flags["OWNDATA"])
+ self.assertTrue(not c.flags["OWNDATA"])
+ self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ self.assertEqual(b.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ self.assertEqual(c.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ del d
+ gc.collect()
+ self.assertTrue(a.flags["OWNDATA"])
+ self.assertTrue(not b.flags["OWNDATA"])
+ self.assertTrue(not c.flags["OWNDATA"])
+ self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ self.assertEqual(b.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ self.assertEqual(c.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test40(self):
+ """Same as test24 with float32"""
+ d=DataArrayFloat(10)
+ d.iota()
+ a=d.toNumPyArray()
+ self.assertEqual(a.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertTrue(not a.flags["OWNDATA"])
+ self.assertTrue(a.base is None)
+ del a
+ gc.collect()
+ a=d.toNumPyArray()
+ self.assertEqual(a.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertTrue(not a.flags["OWNDATA"])
+ self.assertTrue(a.base is None)
+ b=d.toNumPyArray()
+ self.assertEqual(a.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertEqual(b.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertTrue(not a.flags["OWNDATA"])
+ self.assertTrue(not b.flags["OWNDATA"])
+ self.assertTrue(b.base is a)
+ del a
+ gc.collect()
+ self.assertEqual(b.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertTrue(not b.flags["OWNDATA"])
+ del d
+ gc.collect()
+ self.assertEqual(b.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertTrue(not b.flags["OWNDATA"])
+ #
+ d=DataArrayInt(10)
+ d.iota()
+ a=d.toNumPyArray()
+ self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ self.assertTrue(not a.flags["OWNDATA"])
+ self.assertTrue(a.base is None)
+ del a
+ gc.collect()
+ a=d.toNumPyArray()
+ self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ self.assertTrue(not a.flags["OWNDATA"])
+ self.assertTrue(a.base is None)
+ b=d.toNumPyArray()
+ self.assertEqual(a.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ self.assertEqual(b.tolist(),[0,1,2,3,4,5,6,7,8,9])
+ self.assertTrue(not a.flags["OWNDATA"])
+ self.assertTrue(not b.flags["OWNDATA"])
+ self.assertTrue(b.base is a)
+ del a
+ gc.collect()
+ self.assertEqual(b.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertTrue(not b.flags["OWNDATA"])
+ del d
+ gc.collect()
+ self.assertEqual(b.tolist(),[0.,1.,2.,3.,4.,5.,6.,7.,8.,9.])
+ self.assertTrue(not b.flags["OWNDATA"])
+ pass
+
+ @unittest.skipUnless(MEDCouplingHasNumPyBindings(),"requires numpy")
+ def test41(self):
+ """ This non regression test is focused on a numpy subarray of a bigger numpy array. Typically a 1D array coming from a 2D array. When medcoupling takes the ownership, medcoupling must store an offset to deallocate correctly the pointer. The pointer of medcoupling array is NOT the pointer to be transmited to free. The offset is typically the distance between the start of the main 2D array and the start of 1D array medcouplingized."""
+ import numpy as np
+ array = np.array([[1,2,3,10],[4,5,6,20],[7,8,9,30]],dtype=np.float64) # create a 2D array
+ b = array[2] # b data pointer starts at array+2*4*sizeof(float64) so offset is expected to be equal to -2*4*sizeof(float64)=-64
+ self.assertTrue(array.flags["OWNDATA"])
+ self.assertTrue(not b.flags["OWNDATA"])
+ d=DataArrayDouble(b)
+ self.assertTrue(not array.flags["OWNDATA"])
+ self.assertTrue(not b.flags["OWNDATA"])
+ del b ; gc.collect()
+ del array ; gc.collect()
+ del d ; gc.collect() # important : destroy d after b and array to be sure to let the ownership to d.
+ pass
+
def setUp(self):
pass
pass
