Mercurial > hg > nsaunier > traffic-intelligence

comparison python/moving.py @ 90:f84293ad4611

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renamed inner to cross product
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Thu, 09 Jun 2011 11:27:31 -0400
parents f88a19695bba
children daa05fae1a70
comparison
equal deleted inserted replaced
89:f88a19695bba 90:f84293ad4611
166 def dot(p1, p2): 166 def dot(p1, p2):
167 'Scalar product' 167 'Scalar product'
168 return p1.x*p2.x+p1.y*p2.y 168 return p1.x*p2.x+p1.y*p2.y
169 169
170 @staticmethod 170 @staticmethod
171 def inner(p1, p2): 171 def cross(p1, p2):
172 'Inner product' 172 'Cross product'
173 return p1.x*p2.y-p1.y*p2.x 173 return p1.x*p2.y-p1.y*p2.x
174 174
175 @staticmethod 175 @staticmethod
176 def distanceNorm2(p1, p2): 176 def distanceNorm2(p1, p2):
177 return (p1-p2).norm2() 177 return (p1-p2).norm2()