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55 lines
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1.6 KiB
Python
55 lines
No EOL
1.6 KiB
Python
##
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# This software was developed and / or modified by Raytheon Company,
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# pursuant to Contract DG133W-05-CQ-1067 with the US Government.
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#
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# U.S. EXPORT CONTROLLED TECHNICAL DATA
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# This software product contains export-restricted data whose
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# export/transfer/disclosure is restricted by U.S. law. Dissemination
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# to non-U.S. persons whether in the United States or abroad requires
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# an export license or other authorization.
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#
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# Contractor Name: Raytheon Company
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# Contractor Address: 6825 Pine Street, Suite 340
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# Mail Stop B8
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# Omaha, NE 68106
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# 402.291.0100
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#
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# See the AWIPS II Master Rights File ("Master Rights File.pdf") for
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# further licensing information.
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##
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from Multiply import execute as Multiply
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from numpy import NaN, where
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#
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def execute(*args):
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""" Divide a scalar by a scalar or a vector by a scalar.
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"""
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divArgs = list(args)
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for i in range(1,len(divArgs)):
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divArgs[i] = where(divArgs[i] == 0, NaN, 1/divArgs[i] )
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return apply(Multiply,divArgs)
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def test():
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from numpy import array
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if not( all(execute(array([2.,4.]),array([2.,2.])) == array([1.,2.]))):
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raise Exception
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from Vector import execute as Vector
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vector = Vector(array([2.,4.]),array([0.,270.]),True)
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(mag, dir, u, v) = execute(vector,2.)
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if not( all(mag == array([1.,2.])) and all(dir == array([0.,270.]))):
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raise Exception
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if not( all(execute(array([2.,4.]),array([2.,0.])) == array([1.,NaN]))):
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raise Exception
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print "Divide Test Complete"
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