#!/usr/bin/env python #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # Copyright 2013 California Institute of Technology. ALL RIGHTS RESERVED. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # # United States Government Sponsorship acknowledged. This software is subject to # U.S. export control laws and regulations and has been classified as 'EAR99 NLR' # (No [Export] License Required except when exporting to an embargoed country, # end user, or in support of a prohibited end use). By downloading this software, # the user agrees to comply with all applicable U.S. export laws and regulations. # The user has the responsibility to obtain export licenses, or other export # authority as may be required before exporting this software to any 'EAR99' # embargoed foreign country or citizen of those countries. # # Author: Piyush Agram #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ from iscesys.Component.Configurable import Configurable class Polynomial(Configurable): ''' Class to store 1D polynomials in ISCE. Implented as a list of coefficients: [ 1, x^1, x^2, ...., x^n] The size of the 1D list will correspond to [order+1]. ''' family = 'polynomial' def __init__(self, family='', name=''): ''' Constructor for the polynomial object. ''' self._coeffs = [] self._accessor = None self._factory = None self._poly = None self._width = 0 self._length = 0 super(Polynomial,self).__init__(family if family else self.__class__.family, name) return def initPoly(self,image = None): if(image): self._width = image.width self._length = image.length def setCoeffs(self, parms): ''' Set the coefficients using another nested list. ''' raise NotImplementedError("Subclasses should implement setCoeffs!") def getCoeffs(self): return self._coeffs def setImage(self, width): self._width = image.width self._length = image.length def exportToC(self): ''' Use the extension module and return a pointer in C. ''' raise NotImplementedError("Subclasses should implement exportToC!") def importFromC(self, pointer, clean=True): pass def copy(self): pass def setWidth(self, var): self._width = int(var) return @property def width(self): return self._width def setLength(self, var): self._length = int(var) return @property def length(self): return self._length def getPointer(self): return self._accessor