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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2019-12-23 12:34:30 -08:00
parent 77868f3d96
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src/math/grobner/pdd_grobner.cpp
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@ -104,8 +104,8 @@ namespace dd {
Given two definition polynomials d1, d2, it must be the case that
level(lo(d1)) = level(lo(d1)) for the polynomial lo(d1)*lo(d2) to be vanishing.
Then starting from the lowest level examine pdd nodes.
The the current node be called p, check if the pdd node is used in an equation
w - r = 0, in which case, w inherits the labels from r.
Let the current node be called p, check if the pdd node p is used in an equation
w - r = 0. In which case, w inherits the labels from r.
Otherwise, label the node by the intersection of vanishing polynomials from lo(p) and hi(p).
Eliminating multiplier variables, but not adders [Kaufmann et al FMCAD 2019 for GF2];