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""" |
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|
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Test unary ops on Data objects. |
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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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import sys |
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import unittest |
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import os |
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|
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from esys.escript import * |
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from esys import bruce |
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|
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import numarray |
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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=15 |
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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. |
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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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[ [3.0], [6.0], [3] ] \ |
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] |
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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 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 checkResult(text,res,val0,val1,val2,wh): |
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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 "@@ %s, shape %s: error = %e"%(text,ref.getShape(),error) |
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if error>tol: |
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print "**** %s: error is too large"%(text) |
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raise SystemError,"@@ %s at %s: error is too large"%(text,wh) |
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sys.exit(1) |
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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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# |
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# ============================================================== |
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# |
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# test unary operators: |
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# |
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|
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msh=bruce.Rectangle(20,6) |
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for wh in [ContinuousFunction(msh),Function(msh)]: |
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|
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print wh |
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|
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for ex1 in ["Constant","Expanded","Tagged1","Tagged2"]: |
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|
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print "Unary Ops:", ex1 |
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|
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for a1 in arglist: |
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|
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arg1=prepareArg(a1,ex1,wh) |
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arrays1=turnToArray(a1,ex1) |
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if isScalar(arg1): |
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t1="(scalar)" |
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else: |
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t1="" |
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|
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# + identity: |
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ref=checkResult("+"+ex1, \ |
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+arg1, \ |
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arrays1[0], \ |
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arrays1[1], \ |
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arrays1[2], \ |
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wh) |
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|
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# - negation: |
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ref=checkResult("-"+ex1, \ |
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-arg1, \ |
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-arrays1[0], \ |
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-arrays1[1], \ |
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-arrays1[2], \ |
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wh) |
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|
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# where positive: |
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ref=checkResult("where positive("+ex1+")", \ |
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(arg1-3)._wherePositive(), \ |
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numarray.greater(arrays1[0],3.), \ |
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numarray.greater(arrays1[1],3.), \ |
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numarray.greater(arrays1[2],3.), \ |
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wh) |
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|
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# where negative: |
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ref=checkResult("where negative("+ex1+")", \ |
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(arg1-3)._whereNegative(), \ |
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numarray.greater(3.,arrays1[0]), \ |
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numarray.greater(3.,arrays1[1]), \ |
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numarray.greater(3.,arrays1[2]), \ |
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wh) |
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|
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# where non-negative: |
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ref=checkResult("where nonnegative("+ex1+")", \ |
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(arg1-3)._whereNonNegative(), \ |
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numarray.greater_equal(arrays1[0],3.), \ |
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numarray.greater_equal(arrays1[1],3.), \ |
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numarray.greater_equal(arrays1[2],3.), \ |
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wh) |
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|
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# where non-positive: |
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ref=checkResult("where nonpositive("+ex1+")", \ |
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(arg1-3)._whereNonPositive(), \ |
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numarray.greater_equal(3.,arrays1[0]), \ |
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numarray.greater_equal(3.,arrays1[1]), \ |
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numarray.greater_equal(3.,arrays1[2]), \ |
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wh) |
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|
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# where zero: |
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ref=checkResult("where zero("+ex1+")", \ |
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(arg1-3)._whereZero(), \ |
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numarray.less_equal(numarray.abs(arrays1[0]-3.),0.0), \ |
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numarray.less_equal(numarray.abs(arrays1[1]-3.),0.0), \ |
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numarray.less_equal(numarray.abs(arrays1[2]-3.),0.0), \ |
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wh) |
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|
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# where non-zero: |
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ref=checkResult("where nonzero("+ex1+")", \ |
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(arg1-3)._whereNonZero(), \ |
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numarray.greater(numarray.abs(arrays1[0]-3.),0.0), \ |
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numarray.greater(numarray.abs(arrays1[1]-3.),0.0), \ |
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numarray.greater(numarray.abs(arrays1[2]-3.),0.0), \ |
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wh) |
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|
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# exponential function: |
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ref=checkResult("exp("+ex1+")", \ |
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arg1._exp(), \ |
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numarray.exp(arrays1[0]), \ |
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numarray.exp(arrays1[1]), \ |
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numarray.exp(arrays1[2]), \ |
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wh) |
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|
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# sqrt |
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ref=checkResult("sqrt("+ex1+")", \ |
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arg1._sqrt(), \ |
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numarray.sqrt(numarray.abs(arrays1[0])), \ |
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numarray.sqrt(numarray.abs(arrays1[1])), \ |
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numarray.sqrt(numarray.abs(arrays1[2])), \ |
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wh) |
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|
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# sin: |
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ref=checkResult("sin("+ex1+")", \ |
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arg1._sin(), \ |
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numarray.sin(arrays1[0]), \ |
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numarray.sin(arrays1[1]), \ |
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numarray.sin(arrays1[2]), \ |
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wh) |
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|
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# cos: |
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ref=checkResult("cos("+ex1+")", \ |
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arg1._cos(), \ |
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numarray.cos(arrays1[0]), \ |
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numarray.cos(arrays1[1]), \ |
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numarray.cos(arrays1[2]), \ |
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wh) |
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|
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# tan: |
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ref=checkResult("tan("+ex1+")", \ |
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arg1._tan(), \ |
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numarray.tan(arrays1[0]), \ |
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numarray.tan(arrays1[1]), \ |
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numarray.tan(arrays1[2]), \ |
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wh) |
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|
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# numarray has no asin/acos/atan funcs |
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|
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# asin: |
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#ref=checkResult("asin("+ex1+")", \ |
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# arg1._asin(), \ |
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# numarray.asin(arrays1[0]), \ |
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# numarray.asin(arrays1[1]), \ |
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# numarray.asin(arrays1[2]), \ |
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# wh) |
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|
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# acos: |
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#ref=checkResult("acos("+ex1+")", \ |
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# arg1._acos(), \ |
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# numarray.acos(arrays1[0]), \ |
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# numarray.acos(arrays1[1]), \ |
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# numarray.acos(arrays1[2]), \ |
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# wh) |
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|
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# atan: |
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#ref=checkResult("atan("+ex1+")", \ |
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# arg1._atan(), \ |
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# numarray.atan(arrays1[0]), \ |
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# numarray.atan(arrays1[1]), \ |
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# numarray.atan(arrays1[2]), \ |
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# wh) |
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|
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# sinh: |
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ref=checkResult("sinh("+ex1+")", \ |
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arg1._sinh(), \ |
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numarray.sinh(arrays1[0]), \ |
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numarray.sinh(arrays1[1]), \ |
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numarray.sinh(arrays1[2]), \ |
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wh) |
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|
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# cosh: |
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ref=checkResult("cosh("+ex1+")", \ |
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arg1._cosh(), \ |
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numarray.cosh(arrays1[0]), \ |
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numarray.cosh(arrays1[1]), \ |
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numarray.cosh(arrays1[2]), \ |
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wh) |
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|
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# tanh: |
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ref=checkResult("tanh("+ex1+")", \ |
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arg1._tanh(), \ |
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numarray.tanh(arrays1[0]), \ |
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numarray.tanh(arrays1[1]), \ |
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numarray.tanh(arrays1[2]), \ |
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wh) |
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|
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# numarray has no asinh/acosh/atanh funcs |
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|
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# asinh: |
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#ref=checkResult("asinh("+ex1+")", \ |
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# arg1._asinh(), \ |
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# numarray.asinh(arrays1[0]), \ |
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# numarray.asinh(arrays1[1]), \ |
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# numarray.asinh(arrays1[2]), \ |
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# wh) |
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|
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# acosh: |
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#ref=checkResult("acosh("+ex1+")", \ |
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# arg1._acosh(), \ |
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# numarray.acosh(arrays1[0]), \ |
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# numarray.acosh(arrays1[1]), \ |
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# numarray.acosh(arrays1[2]), \ |
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# wh) |
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|
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# atanh: |
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#ref=checkResult("atanh("+ex1+")", \ |
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# arg1._atanh(), \ |
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# numarray.atanh(arrays1[0]), \ |
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# numarray.atanh(arrays1[1]), \ |
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# numarray.atanh(arrays1[2]), \ |
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# wh) |
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|
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# get the maximum value at each data point |
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ref=checkResult("maxval("+ex1+")", \ |
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arg1._maxval(), \ |
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arrays1[0].max(), \ |
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arrays1[1].max(), \ |
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arrays1[2].max(), \ |
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wh) |
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|
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# get the minimum value at each data point |
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ref=checkResult("minval("+ex1+")", \ |
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arg1._minval(), \ |
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arrays1[0].min(), \ |
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arrays1[1].min(), \ |
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arrays1[2].min(), \ |
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wh) |
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|
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# length/trace/transpose not yet implemented for Data |
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|
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# get the length at each data point = sqrt(sum_{i,j,k,l} A[i,j,k,l]^2) |
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#ref=checkResult("length("+ex1+")", \ |
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# arg1._length(), \ |
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# numarray.sqrt((arrays1[0]**2).sum()), \ |
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# numarray.sqrt((arrays1[1]**2).sum()), \ |
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# numarray.sqrt((arrays1[2]**2).sum()), \ |
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# wh) |
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|
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# trace: |
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#ref=checkResult("trace("+ex1+")", \ |
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# arg1._trace(), \ |
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# numarray.trace(arrays1[0]), \ |
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# numarray.trace(arrays1[1]), \ |
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# numarray.trace(arrays1[2]), \ |
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# wh) |
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|
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# transpose: |
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#axis=arrays1[0]/2 |
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#ref=checkResult("transpose("+ex1+")", \ |
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# arg1._transpose(), \ |
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# numarray.transpose(arrays1[0],axis), \ |
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# numarray.transpose(arrays1[1],axis), \ |
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# numarray.transpose(arrays1[2],axis), \ |
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# wh) |
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|
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# get the signs of the values: |
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ref=checkResult("sign("+ex1+")", \ |
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arg1._sign(), \ |
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numarray.greater(arrays1[0],numarray.zeros(arrays1[0].shape)) \ |
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-numarray.less(arrays1[0],numarray.zeros(arrays1[0].shape)),\ |
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numarray.greater(arrays1[1],numarray.zeros(arrays1[1].shape)) \ |
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-numarray.less(arrays1[1],numarray.zeros(arrays1[1].shape)),\ |
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numarray.greater(arrays1[2],numarray.zeros(arrays1[2].shape)) \ |
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-numarray.less(arrays1[2],numarray.zeros(arrays1[2].shape)),\ |
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wh) |
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|
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sys.exit(0) |
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# end |
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