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comparison python/moving.py @ 987:f026ce2af637

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found bug with direct ttc computation
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 07 Mar 2018 23:37:00 -0500
parents 51d8406b2489
children e8eabef7857c
comparison
equal deleted inserted replaced
986:3be8aaa47651 987:f026ce2af637
315 @staticmethod 315 @staticmethod
316 def cross(p1, p2): 316 def cross(p1, p2):
317 'Cross product' 317 'Cross product'
318 return p1.x*p2.y-p1.y*p2.x 318 return p1.x*p2.y-p1.y*p2.x
319 319
320 @staticmethod
321 def parallel(p1, p2):
322 return Point.cross(p1, p2) == 0.
323
320 @staticmethod 324 @staticmethod
321 def cosine(p1, p2): 325 def cosine(p1, p2):
322 return Point.dot(p1,p2)/(p1.norm2()*p2.norm2()) 326 return Point.dot(p1,p2)/(p1.norm2()*p2.norm2())
323 327
324 @staticmethod 328 @staticmethod