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import sys |
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import unittest |
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import os |
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|
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esys_root=os.getenv('ESYS_ROOT') |
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sys.path.append(esys_root+'/finley/lib') |
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sys.path.append(esys_root+'/escript/lib') |
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sys.path.append(esys_root+'/escript/py_src') |
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|
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from escript import * |
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import finley |
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import numarray |
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from util import * |
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|
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""" |
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|
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Tests various slicing operations on Data. |
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|
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the results are compared to reference result. if the relative difference is |
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bigger than tol an exception is raised. |
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|
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by Lutz Gross, ACcESS, University of Queensland, Australia, 2003. |
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|
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Version $Id$ |
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|
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""" |
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|
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from numarray import array,Float64,ones,greater |
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|
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Tag1=10 |
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Tag2=11 |
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|
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tol=1.E-15 |
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|
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# |
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# list of arguments: a list item has the form [a0,a1,a2] |
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# what a0 is the default value and a1 is used for tag Tag1 |
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# and a2 for Tag2. a0,a1,a2 are converted into numarrays. |
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# |
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# binary operations are tested on all pairs from arglist |
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# |
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# each item in the arglist are used to construct the following 5 argument |
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# types arg for arithmetic operations: |
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# |
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# 1) arg is a numarray/list a0 |
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# 2) arg is a Data with default value a0 |
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# 3) arg is an DataArray with constant value a0 |
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# 4) arg is a Data object with constant value a0 and value a1 for tag Tag1 |
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# 5) arg is a Data object with constant value a0 and value a1 for tag Tag1 |
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# and value a2 for Tag2. |
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# |
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# i.e for a single binary arithmetic operation (len(arglist)*5)**2 |
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# test are performed. |
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# |
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|
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arglist = [ \ |
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[ [3,4], [-5,6.], [2,3] ], \ |
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[ [[1,2],[3,4]], [[5,6],[7,8]], [[-5,-6],[7,8]] ], \ |
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[ [[15,8],[12,8]], [[-9,9],[13,8]], [[7,34],[19,7]] ], \ |
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[ [[[15,8],[12,8]],[[-9,9],[13,8]]], [[[3,4],[-9,4]],[[1,-9],[7,4]]], [[[5,2],[6,2]],[[-6,4],[7,5]]] ], \ |
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[ [3.], [6.], [3] ] \ |
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] |
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|
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# these are used to test slicing: |
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|
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a_r1=[ [1,2,3], [-1,-2,-3], [100,200,300] ] |
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|
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a_r1_in=[ [1./1,2,3], [-1./1,-1./2,-1./3], [1./100,1./200,1./300] ] |
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|
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a_r4=[ \ |
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[ [ [[ 1,2,3],[11,12,13]], [[21,22,23],[31,32,33]], [[41,42,43],[51,52,53]] ], [ [[101,102,103],[111,112,113]], [[121,122,123],[131,132,133]], [[141,142,143],[151,152,153]] ], [ [[201,202,203],[211,212,213]], [[221,222,223],[231,232,233]], [[241,242,243],[251,252,253]] ] ], \ |
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[ [ [[-1,-2,-3],[-11,-12,-13]], [[-21,-22,-23],[-31,-32,-33]], [[-41,-42,-43],[-51,-52,-53]] ], [ [[-101,-102,-103],[-111,-112,-113]], [[-121,-122,-123],[-131,-132,-133]], [[-141,-142,-143],[-151,-152,-153]] ], [ [[-201,-202,-203],[-211,-212,-213]], [[-221,-222,-223],[-231,-232,-233]], [[-241,-242,-243],[-251,-252,-253]] ] ], \ |
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[ [[[11,12,13],[111,112,113]], [[121,122,123],[131,132,133]], [[141,142,143],[151,152,153]] ], [ [[1101,1102,1103],[1111,1112,1113]], [[1121,1122,1123],[1131,1132,1133]], [[1141,1142,1143],[1151,1152,1153]] ], [ [[1201,1202,1203],[1211,1212,1213]], [[1221,1222,1223],[1231,1232,1233]], [[1241,1242,1243],[1251,1252,1253]] ] ] ] |
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|
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a_r4_in=[ \ |
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[ [ [[1./1,1./2,1./3],[1./11,1./12,1./13]], [[1./21,1./22,1./23],[1./31,1./32,1./33]], [[1./41,1./42,1./43],[1./51,1./52,1./53]] ], [ [[1./101,1./102,1./103],[1./111,1./112,1./113]], [[1./121,1./122,1./123],[1./131,1./132,1./133]], [[1./141,1./142,1./143],[1./151,1./152,1./153]] ], [ [[1./201,1./202,1./203],[1./211,1./212,1./213]], [[1./221,1./222,1./223],[1./231,1./232,1./233]], [[1./241,1./242,1./243],[1./251,1./252,1./253]] ] ], \ |
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[ [ [[-1./1,-1./2,-1./3],[-1./11,-1./12,-1./13]], [[-1./21,-1./22,-1./23],[-1./31,-1./32,-1./33]], [[-1./41,-1./42,-1./43],[-1./51,-1./52,-1./53]] ], [ [[-1./101,-1./102,-1./103],[-1./111,-1./112,-1./113]], [[-1./121,-1./122,-1./123],[-1./131,-1./132,-1./133]], [[-1./141,-1./142,-1./143],[1./-151,-1./152,-1./153]] ], [ [[-1./201,-1./202,-1./203],[-1./211,-1./212,-1./213]], [[-1./221,-1./222,-1./223],[-1./231,-1./232,-1./233]], [[-1./241,-1./242,-1./243],[-1./251,-1./252,-1./253]] ] ], \ |
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[ [ [[1./11,1./12,1./13],[1./111,1./112,1./113]], [[1./121,1./122,1./123],[1./131,1./132,1./133]], [[1./141,1./142,1./143],[1./151,1./152,1./153]] ], [ [[1./1101,1./1102,1./1103],[1./1111,1./1112,1./1113]], [[1./1121,1./1122,1./1123],[1./1131,1./1132,1./1133]], [[1./1141,1./1142,1./1143],[1./1151,1./1152,1./1153]] ], [ [[1./1201,1./1202,1./1203],[1./1211,1./1212,1./1213]], [[1./1221,1./1222,1./1223],[1./1231,1./1232,1./1233]], [[1./1241,1./1242,1./1243],[1./1251,1./1252,1./1253]] ] ] ] |
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|
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|
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def turnToArray(val,tagged): |
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if tagged=="Tagged1": |
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out=[array(val[0],Float64),array(val[1],Float64),array(val[0],Float64)] |
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elif tagged=="Tagged2": |
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out=[array(val[0],Float64),array(val[1],Float64),array(val[2],Float64)] |
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else: |
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out=[array(val[0],Float64),array(val[0],Float64),array(val[0],Float64)] |
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return out |
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|
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def prepareArg(val,ex,wh): |
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if ex=="Array": |
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out=val[0] |
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else: |
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if ex=="Expanded": |
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exx=True |
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else: |
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exx=False |
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out=Data(val[0],what=wh,expand=exx) |
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if ex=="Tagged1": |
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out.setTaggedValue(Tag1,val[1]) |
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elif ex=="Tagged2": |
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out.setTaggedValue(Tag1,val[1]) |
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out.setTaggedValue(Tag2,val[2]) |
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return out |
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|
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def getRank(arg): |
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if isinstance(arg,Data): |
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return arg.getRank() |
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else: |
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g=array(arg) |
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if g.rank==0: |
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return 1 |
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else: |
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return g.rank |
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|
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def isScalar(arg): |
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if isinstance(arg,Data): |
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if arg.getRank()==1 and arg.getShape()[0]==1: |
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return not None |
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else: |
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return None |
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else: |
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g=array(arg) |
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if g.rank==0: |
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return not None |
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else: |
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if g.rank==1 and g.shape[0]==1: |
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return not None |
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else: |
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return None |
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|
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def checkResult(text,org,res,val0,val1,val2,wh): |
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print "%s" % (text) |
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print "%s shape %s" % ("argument",org.getShape()) |
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print "%s shape %s" % ("result",res.getShape()) |
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|
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ref=Data(val0,what=wh,expand=False) |
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ref.setTaggedValue(Tag1,val1) |
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ref.setTaggedValue(Tag2,val2) |
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norm=Lsup(ref)+tol |
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error=Lsup(ref-res)/norm |
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print "error = %e\n" % (error) |
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if error>tol: |
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raise SystemError,"@@ %s at %s: error is too large" % (text,wh) |
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|
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# |
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# test slicing |
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# |
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|
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msh=finley.Rectangle(20,6,1) |
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|
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for wh in [ContinuousFunction(msh),Function(msh)]: |
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|
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for ex1 in ["Constant","Expanded","Tagged1","Tagged2"]: |
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|
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print "\nData type: ", ex1 |
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print "******************************************\n" |
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|
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# rank 1 |
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arg=prepareArg(a_r1,ex1,wh) |
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arrays=turnToArray(a_r1,ex1) |
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|
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if isinstance(arg,Data): |
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|
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checkResult("slicing: rank=1,[:]", |
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arg, \ |
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arg[:], \ |
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arrays[0][:], \ |
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arrays[1][:], \ |
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arrays[2][:], \ |
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wh) |
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|
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checkResult("slicing: rank=1 [1]", |
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arg, \ |
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arg[1], \ |
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arrays[0][1], \ |
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arrays[1][1], \ |
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arrays[2][1], \ |
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wh) |
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|
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checkResult("slicing: rank=1 [1:3]", |
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arg, \ |
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arg[1:3], \ |
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arrays[0][1:3], \ |
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arrays[1][1:3], \ |
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arrays[2][1:3], \ |
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wh) |
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|
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checkResult("slicing: rank=1 [2:]", |
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arg, \ |
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arg[2:], \ |
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arrays[0][2:], \ |
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arrays[1][2:], \ |
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arrays[2][2:], \ |
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wh) |
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|
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checkResult("slicing: rank=1 [:1]", |
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arg, \ |
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arg[:1], \ |
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arrays[0][:1], \ |
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arrays[1][:1], \ |
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arrays[2][:1], \ |
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wh) |
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|
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# rank 4 |
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arg=prepareArg(a_r4,ex1,wh) |
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arrays=turnToArray(a_r4,ex1) |
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|
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if isinstance(arg,Data): |
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|
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checkResult("slicing: rank=4,[:]", |
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arg, \ |
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arg[:], \ |
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arrays[0][:], \ |
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arrays[1][:], \ |
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arrays[2][:], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [1]", |
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arg, \ |
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arg[1], \ |
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arrays[0][1], \ |
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arrays[1][1], \ |
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arrays[2][1], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [1,1,1,1]", |
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arg, \ |
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arg[1,1,1,1], \ |
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arrays[0][1,1,1,1], \ |
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arrays[1][1,1,1,1], \ |
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arrays[2][1,1,1,1], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [1:3]", |
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arg, \ |
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arg[1:3], \ |
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arrays[0][1:3], \ |
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arrays[1][1:3], \ |
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arrays[2][1:3], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [:2]", |
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arg, \ |
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arg[:2], \ |
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arrays[0][:2], \ |
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arrays[1][:2], \ |
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arrays[2][:2], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [1:]", |
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arg, \ |
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arg[1:], \ |
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arrays[0][1:], \ |
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arrays[1][1:], \ |
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arrays[2][1:], \ |
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wh) |
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|
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checkResult("slicing: rank=4,[:,:]", |
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arg, \ |
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arg[:,:], \ |
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arrays[0][:,:], \ |
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arrays[1][:,:], \ |
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arrays[2][:,:], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [:,1]", |
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arg, \ |
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arg[:,1], \ |
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arrays[0][:,1], \ |
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arrays[1][:,1], \ |
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arrays[2][:,1], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [:,1:3]", |
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arg, \ |
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arg[:,1:3], \ |
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arrays[0][:,1:3], \ |
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arrays[1][:,1:3], \ |
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arrays[2][:,1:3], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [1:2,1:3]", |
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arg, \ |
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arg[1:2,1:3], \ |
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arrays[0][1:2,1:3], \ |
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arrays[1][1:2,1:3], \ |
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arrays[2][1:2,1:3], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [:,1:2,1:2]", |
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arg, \ |
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arg[:,1:2,1:2], \ |
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arrays[0][:,1:2,1:2], \ |
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arrays[1][:,1:2,1:2], \ |
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arrays[2][:,1:2,1:2], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [:,:,1:2,1:3]", |
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arg, \ |
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arg[:,:,1:2,1:3], \ |
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arrays[0][:,:,1:2,1:3], \ |
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arrays[1][:,:,1:2,1:3], \ |
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arrays[2][:,:,1:2,1:3], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [1:2,1:3,1,1]", |
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arg, \ |
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arg[1:2,1:3,1,1], \ |
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arrays[0][1:2,1:3,1,1], \ |
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arrays[1][1:2,1:3,1,1], \ |
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arrays[2][1:2,1:3,1,1], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [1:2,1:3,:,1] ", |
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arg, \ |
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arg[1:2,1:3,:,1], \ |
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arrays[0][1:2,1:3,:,1], \ |
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arrays[1][1:2,1:3,:,1], \ |
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arrays[2][1:2,1:3,:,1], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [1:2,1:3,0,:] ", |
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arg, \ |
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arg[1:2,1:3,0,:], \ |
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arrays[0][1:2,1:3,0,:], \ |
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arrays[1][1:2,1:3,0,:], \ |
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arrays[2][1:2,1:3,0,:], \ |
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wh) |
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|
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checkResult("slicing: rank=4 [1:2,1:3,0,1] ", |
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arg, \ |
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arg[1:2,1:3,0,1], \ |
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arrays[0][1:2,1:3,0,1], \ |
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arrays[1][1:2,1:3,0,1], \ |
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arrays[2][1:2,1:3,0,1], \ |
| 337 |
wh) |
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|
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checkResult("slicing: rank=4 [1,1,0,1] ", |
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arg, \ |
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arg[1,1,0,1], \ |
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arrays[0][1,1,0,1], \ |
| 343 |
arrays[1][1,1,0,1], \ |
| 344 |
arrays[2][1,1,0,1], \ |
| 345 |
wh) |
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