[isabelle-dev] Theory for discrete log etc.
eberlm at in.tum.de
Sat Aug 13 17:02:33 CEST 2016
There's also natlog2 in src/HOL/Analysis/Summation_Tests.thy, which I
introduced because I didn't know about the other ones.
On 13/08/16 15:09, Florian Haftmann wrote:
> Hi all,
> after studying 28d1deca302e I realized that we have now two theories
> dealing with discrete functions (with one having been hidden in
> Float.thy for years):
> Log_Nat.floorlog :: "nat ⇒ nat ⇒ nat"
> Discrete.log :: "nat ⇒ nat"
> Log_Nat.bitlen :: "int ⇒ int"
> Discrete.sqrt :: "nat ⇒ nat"
> »Discrete.log« seems to be »Log_Nat.floorlog 2« and »Log_Nat.bitlen« is
> just a variant with different types.
> Just to place a memo for future consolidation.
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