def evalQuadric(A, b, c, pt):
    return numpy.dot(pt,numpy.inner(A,pt)) + 2*numpy.dot(b,pt) + c
Evaluates a quadric Q = (A,b,c) at the point pt
dataset/ETHPy150Open pycollada/meshtool/meshtool/filters/simplify_filters/sander_simplify.py/evalQuadric