def inv32.core
bend-osdev-gf@0.1.1.0 · PROOF.bend:7778
import bend-osdev-gf@0.1.1.0/PROOF.bend as PROOF
import Base
import bend-osdev-gf@0.1.1.0/gfm.bend as M
7778def inv32.core(+a: U32) -> {M.gfm.mul.raw(M.Gfm.gf32(), fixm(M.Gfm.elt(M.Gfm.gf32(), a)), M.Gfm.elt(M.Gfm.gf32(), M.gfm.pow.start(M.Gfm.gf32(), fixm(M.Gfm.elt(M.Gfm.gf32(), a)), U32.sub(M.Gfm.mask(M.Gfm.gf32()), 1)))) == 1 : U32}:
7779 match a:
7780 case U32{WCon{+b0, WCon{+b1, WCon{+b2, WCon{+b3, WCon{+b4, +r}}}}}}:
7781 %Equal.sym(U32, M.Gfm.elt(M.Gfm.gf32(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, WCon{b4, r}}}}}}), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, WCon{b4, Word.zero(27n)}}}}}}, elt_bits5(b0, b1, b2, b3, b4, r)) : {M.gfm.mul.raw(M.Gfm.gf32(), fixm(_), M.Gfm.elt(M.Gfm.gf32(), M.gfm.pow.start(M.Gfm.gf32(), fixm(M.Gfm.elt(M.Gfm.gf32(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, WCon{b4, r}}}}}})), U32.sub(M.Gfm.mask(M.Gfm.gf32()), 1)))) == 1 : U32}
7782 %Equal.sym(U32, M.Gfm.elt(M.Gfm.gf32(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, WCon{b4, r}}}}}}), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, WCon{b4, Word.zero(27n)}}}}}}, elt_bits5(b0, b1, b2, b3, b4, r)) : {M.gfm.mul.raw(M.Gfm.gf32(), fixm(U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, WCon{b4, Word.zero(27n)}}}}}}), M.Gfm.elt(M.Gfm.gf32(), M.gfm.pow.start(M.Gfm.gf32(), fixm(_), U32.sub(M.Gfm.mask(M.Gfm.gf32()), 1)))) == 1 : U32}
7783 inv32.bits(b0, b1, b2, b3, b4)