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#! /usr/bin/env python
from __future__ import print_function
from openturns import *
from math import *
TESTPREAMBLE()
try:
try:
# Function
sampleSize = 20
levelFunction = NumericalMathFunction(
["x1", "x2", "x3", "x4"], ["y1"], ["x1+2*x2-3*x3+4*x4"])
myOperator = LessOrEqual()
threshold = 2.0
mySample = NumericalSample(0, levelFunction.getInputDimension())
random = 0.1
for index in range(sampleSize):
point = NumericalPoint(levelFunction.getInputDimension())
norm = 0.0
for coordinate in range(levelFunction.getInputDimension()):
point[coordinate] = sqrt(-2.0 * log(random))
random = fmod(random + sqrt(2.0), 1.0)
point[coordinate] *= cos(2.0 * atan(1.0) * random)
norm += point[coordinate] * point[coordinate]
for coordinate in range(levelFunction.getInputDimension()):
point[coordinate] /= sqrt(norm)
mySample.add(point)
myNearestPointChecker = NearestPointChecker(
levelFunction, myOperator, threshold, mySample)
for index in range(sampleSize):
print(repr(mySample[index]))
myNearestPointChecker.run()
print("myNearestPointChecker = ", myNearestPointChecker)
except:
raise
except:
import sys
print("t_NearestPointChecker_std.py", sys.exc_info()[0], sys.exc_info()[1])
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