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##############################################################################
#
# Copyright (c) 2010-2018 by The University of Queensland
# http://www.uq.edu.au
#
# Primary Business: Queensland, Australia
# Licensed under the Apache License, version 2.0
# http://www.apache.org/licenses/LICENSE-2.0
#
# Development until 2012 by Earth Systems Science Computational Center (ESSCC)
# Development 2012-2013 by School of Earth Sciences
# Development from 2014 by Centre for Geoscience Computing (GeoComp)
#
##############################################################################
from __future__ import print_function, division
__copyright__="""Copyright (c) 2010-2018 by The University of Queensland
http://www.uq.edu.au
Primary Business: Queensland, Australia"""
__license__="""Licensed under the Apache License, version 2.0
http://www.apache.org/licenses/LICENSE-2.0"""
__url__="https://launchpad.net/escript-finley"
__author__="Joel Fenwick, joelfenwick@uq.edu.au"
import esys.escriptcore.utestselect as unittest
from esys.escriptcore.testing import *
import os
import numpy
import sys
from esys.escript import *
class Test_CondEval(unittest.TestCase):
RES_TOL=1.e-7 # RES_TOLerance to compare results
r=getTestDomainFunctionSpace(3,3)
x=r.getDomain().getX()
def test_Constant(self):
d1=Data((1,3),self.x.getFunctionSpace())
d2=Data((2,4),self.x.getFunctionSpace())
m1=Data(1,self.x.getFunctionSpace())
mm1=Data(-1,self.x.getFunctionSpace())
self.assertTrue(Lsup(condEval(m1,d1,d2)-(1,3))<self.RES_TOL)
self.assertTrue(Lsup(condEval(mm1,d1,d2)-(2,4))<self.RES_TOL)
#Now we try lazy
d1=delay(d1)
d2=delay(d2)
m1=delay(m1)
mm1=delay(mm1)
self.assertTrue(Lsup(condEval(m1,d1,d2)-(1,3))<self.RES_TOL)
self.assertTrue(Lsup(condEval(mm1,d1,d2)-(2,4))<self.RES_TOL)
def test_Tagged(self):
t1=Data((1,3,5),self.x.getFunctionSpace())
t2=Data((2,4,6),self.x.getFunctionSpace())
t1.tag()
t2.tag()
t1.setTaggedValue(1, (9,8,7))
t1.setTaggedValue(2, (0,0,0))
t2.setTaggedValue(1, (-1,-1,-1))
t2.setTaggedValue(3, (-2,-2,-2))
mt1=Data(1,self.x.getFunctionSpace())
mt1.tag()
mt1.setTaggedValue(1,1)
mt1.setTaggedValue(4,0)
mt2=Data(-1,self.x.getFunctionSpace())
mt2.tag()
mt2.setTaggedValue(1,0)
mt2.setTaggedValue(4,-1)
z=condEval(mt1,t1,t2)
res=Data((1,3,5), self.x.getFunctionSpace())
res.setTaggedValue(1,(9,8,7))
res.setTaggedValue(4,(2,4,6))
self.assertTrue(Lsup(z-res)<self.RES_TOL)
z=condEval(mt2,t1,t2)
res=Data((2,4,6), self.x.getFunctionSpace())
res.setTaggedValue(1,(-1,-1,-1))
res.setTaggedValue(4,(2,4,6))
self.assertTrue(Lsup(z-res)<self.RES_TOL)
#Now we try the same but lazy
mt1=delay(mt1)
mt2=delay(mt2)
t1=delay(t1)
t2=delay(t2)
res=Data((1,3,5), self.x.getFunctionSpace())
res.setTaggedValue(1,(9,8,7))
res.setTaggedValue(4,(2,4,6))
res=delay(res)
z=condEval(mt1,t1,t2)
y=z-res
Lsup(y)
self.assertTrue(Lsup(condEval(mt1,t1,t2)-res)<self.RES_TOL)
res=Data((2,4,6), self.x.getFunctionSpace())
res.setTaggedValue(1,(-1,-1,-1))
res.setTaggedValue(4,(2,4,6))
self.assertTrue(Lsup(condEval(mt2,t1,t2)-res)<self.RES_TOL)
def test_Expanded(self):
e1=Data((1,3,5),self.x.getFunctionSpace(),True)
e2=Data((2,4,6),self.x.getFunctionSpace(),False)
me1=Data(1,self.x.getFunctionSpace())*wherePositive(self.x-2)
me2=Data(1,self.x.getFunctionSpace())*(1-wherePositive(self.x-2))
self.assertTrue(Lsup(condEval(me1, e1,e2)+condEval(me2, e1,e2)-(3,7,11))<self.RES_TOL)
le1=delay(e1)
le2=delay(e2)
ml1=delay(me1)
ml2=delay(me2)
z=condEval(ml1, le1,le2)
self.assertTrue(Lsup(condEval(ml1, le1,le2)+condEval(ml2, le1,le2)-(3,7,11))<self.RES_TOL)
def test_Errors(self):
d1=Data((1,3),self.x.getFunctionSpace())
d2=Data((2,4),self.x.getFunctionSpace())
d3=Data((2,4,5),self.x.getFunctionSpace())
m=Data(1,self.x.getFunctionSpace())
mS1=Data((1,0),self.x.getFunctionSpace())
#Non-scalar mask
self.assertRaises(RuntimeError,condEval, mS1,d1,d2)
#shape mismatch
self.assertRaises(RuntimeError,condEval, m, d1, d3)
def test_promote(self):
#This is not an exhaustive test of all possible promotion combinataions
for v in [False, True]:
mt1=Data(2,self.x.getFunctionSpace())
mt1.tag()
if v:
mt1=delay(mt1)
d1=Data((1,3),self.x.getFunctionSpace())
d2=Data((67,89), self.x.getFunctionSpace(),True)
self.assertTrue(Lsup(condEval(mt1,d1,d2)-(1,3))<self.RES_TOL)
me1=Data(2,self.x.getFunctionSpace(),True)
d1=Data((1,3),self.x.getFunctionSpace())
if v:
d1=delay(d1)
d2=Data((7,19),self.x.getFunctionSpace())
d2.tag()
self.assertTrue(Lsup(condEval(me1,d1,d2)-(1,3))<self.RES_TOL)
mc1=Data(0,self.x.getFunctionSpace())
d1=Data((1,3),self.x.getFunctionSpace())
d1.tag()
d2=Data((7,19),self.x.getFunctionSpace())
d2.tag()
if v:
d2=delay(d2)
self.assertTrue(Lsup(condEval(mc1,d1,d2)-(7,19))<self.RES_TOL)
mt1=Data(2,self.x.getFunctionSpace())
mt1.tag()
if v:
mt1=delay(mt1)
d1=Data((1,3),self.x.getFunctionSpace())
d2=Data((67,89), self.x.getFunctionSpace())
self.assertTrue(Lsup(condEval(mt1,d1,d2)-(1,3))<self.RES_TOL)
if __name__ == '__main__':
run_tests(__name__, exit_on_failure=True)
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