-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Le 03/04/2015 11:23, Jori Mantysalo a écrit : > On Thu, 2 Apr 2015, Guillaume CONNAN wrote: > >> is there a library to do some symbolic calculations over integer >> but with bitwise operations ? I need to work on symbolic >> polynomials mixing arithmetic + and * and bitwise >> << & | ^ . > > I don't know about a library. But in any case, isn't it quite easy > to make some functions? Do I understand correctly that you mean > something like > > P.<a>=ZZ[] P1=10*a^2-7*a+3 P2=11*a^2-15*a+4 > P3=(P1.coefficients()[0] | P2.coefficients()[0]) + > (P1.coefficients()[1] | P2.coefficients()[1])*a + > (P1.coefficients()[2] | P2.coefficients()[2])*a^2 P3 > Thanks,
it's to do something like ( P1 * P2 | a ) & P3 + 2 I'll try to do some coercion to make it as easily as P3 * P1 + P2 + 5... - -- Guillaume -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iF4EAREIAAYFAlUewjkACgkQ3evBxNNLf8i+aQD7BQ42+HkoIm8ng3T3jqggMJ/6 2eNFP5v10A6i6Bg7fvYBAIKm952yyugxdn7oSWi5zD1rPYes3ZkvntJlXHZG7jnX =RwFC -----END PGP SIGNATURE----- -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
