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#! /usr/bin/env python
from __future__ import print_function
from openturns import *
TESTPREAMBLE()
try:
f = NumericalMathFunction("x", "x^2", "y")
size = 4
inputSample = NumericalSample(size, 1)
for i in range(size):
inputSample[i, 0] = i
outputSample = f(inputSample)
print("Is history enabled for f? ", f.isHistoryEnabled())
print("input history=", f.getHistoryInput())
print("output history=", f.getHistoryOutput())
f.enableHistory()
outputSample = f(inputSample)
print("Is history enabled for f? ", f.isHistoryEnabled())
print("input history=", f.getHistoryInput())
print("output history=", f.getHistoryOutput())
f.clearHistory()
print("Is history enabled for f? ", f.isHistoryEnabled())
print("input history=", f.getHistoryInput())
print("output history=", f.getHistoryOutput())
# Perform the computation twice
outputSample = f(inputSample)
outputSample = f(inputSample)
print("input history=", f.getHistoryInput())
print("output history=", f.getHistoryOutput())
except:
import sys
print("t_NumericalMathFunction_history.py",
sys.exc_info()[0], sys.exc_info()[1])
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