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from Xdmf import *
def maximum(values):
values = ArrayVector(values)#need to cast to the right data type
if values[0].getArrayType() == XdmfArrayType.String():
returnArray = XdmfArray.New()
returnArray.pushBackAsString(values[0].getValueAsString(0))
return returnArray;
else:
maxVal = values[0].getValueAsFloat64(0)
for i in range (0, values.size()):
for j in range (0, values[i].getSize()):
if maxVal < values[i].getValueAsFloat64(j):
maxVal = values[i].getValueAsFloat64(j)
returnArray = XdmfArray.New()
returnArray.pushBackAsFloat64(maxVal)
return returnArray
def prepend(val1, val2):
val1 = XdmfArray.XdmfArrayPtr(val1)#need to cast to the right data type
val2 = XdmfArray.XdmfArrayPtr(val2)#had to write a custom casting method to integrate it properly
returnArray = XdmfArray.New()
returnArray.insert(0, val2, 0, val2.getSize())
returnArray.insert(val2.getSize(), val1, 0, val1.getSize())
return returnArray
if __name__ == "__main__":
#functions are passed as callable pyobjects
XdmfFunction.addFunction("MAX", maximum)
functionVector = XdmfFunction.getSupportedFunctions()
for i in range (0, functionVector.size()):
print functionVector[i]
XdmfFunction.addOperation("@", prepend, 2)
print XdmfFunction.getSupportedOperations()
testVector = ArrayVector()
testArray = XdmfArray.New()
testArray.pushBackAsInt32(10)
testArray.pushBackAsInt32(9)
testVector.push_back(testArray)
print "before evaluating function"
resultArray = XdmfFunction.evaluateFunction(testVector, "MAX")
print type(resultArray)
print "after function is evaulated"
print resultArray.getValuesString()
print "before evaluating function"
resultArray = XdmfFunction.evaluateFunction(testVector, "AVE")
print type(resultArray)
print "after function is evaulated"
print resultArray.getValuesString()
testArray2 = XdmfArray.New()
testArray2.pushBackAsInt32(1)
testArray2.pushBackAsInt32(2)
print "before evaluating Operation"
resultArray = XdmfFunction.evaluateOperation(testArray, testArray2, "|")
print type(resultArray)
print "after evaluationg Operation"
print resultArray.getValuesString()
resultArray = XdmfFunction.evaluateOperation(testArray, testArray2, "@")
print type(resultArray)
print "after evaluationg Operation"
print resultArray.getValuesString()
print "before evaluating expression"
testMap = ArrayMap()
testMap["A"] = testArray
testMap["B"] = testArray2
testArray3 = XdmfArray.New()
testArray3.pushBackAsInt32(5)
testArray3.pushBackAsInt32(5)
testArray3.pushBackAsInt32(5)
testArray3.pushBackAsInt32(5)
testMap["C"] = testArray3
resultArray = XdmfFunction.evaluateExpression("A|B#C", testMap)
print type(resultArray)
print resultArray.getValuesString()
print "after evaluating expression"
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