c3dm/tools/eval_functions.py [343:349]:
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		edm  = torch.bmm(-2. * pts2.transpose(1,2), pts)
		fNorm1 = (pts*pts).sum(1,keepdim=True)
		fNorm2 = (pts2*pts2).sum(1,keepdim=True)
		edm += fNorm2.transpose(1,2)  # inplace saves memory
		edm += fNorm1
		# edm    = (fNorm2.transpose(1,2) + fGram) + fNorm1 
	else:
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c3dm/tools/tensor_accumulator.py [44:49]:
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			edm     = torch.bmm(-2. * pts2.transpose(1,2), pts)
			fNorm1  = (pts*pts).sum(1,keepdim=True)
			fNorm2  = (pts2*pts2).sum(1,keepdim=True)
			edm    += fNorm2.transpose(1,2)
			edm    += fNorm1
		else:
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