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use Math::Int128 qw(int128 :op); ... die "Error 4:\n$ri\n$mpz_ret\n$i_ret\n" if $ri != int128("$mpz_ret") || $ri != int128('457611325781455127825205517363509632') || $ri != $i +_ret;
****************** **MULTIPLICATION** ... sub_M::G2 1997468/s 544% 79% -- -43% sub_M::I2 3495253/s 1028% 214% 75% --