docs: add details for corner cases of pow

[obycode]

Description

Documents the corner cases for pow

Applicable issues

• fixes Negative Power of a Number in Clarity #3295

[codecov]

Codecov Report

Merging #3338 (022b753) into develop (18e4b20) will increase coverage by 0.13%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           develop    #3338      +/-   ##
===========================================
+ Coverage    30.99%   31.12%   +0.13%     
===========================================
  Files          262      261       -1     
  Lines       206340   205769     -571     
===========================================
+ Hits         63961    64055      +94     
+ Misses      142379   141714     -665     

Impacted Files	Coverage Δ
clarity/src/vm/docs/mod.rs	0.00% <ø> (ø)
src/burnchains/bitcoin/network.rs	81.01% <0.00%> (-2.32%)	⬇️
stacks-common/src/deps_common/bitcoin/util/hash.rs	36.86% <0.00%> (-2.19%)	⬇️
src/burnchains/bitcoin/spv.rs	41.70% <0.00%> (-1.07%)	⬇️
testnet/stacks-node/src/run_loop/neon.rs	80.18% <0.00%> (-0.93%)	⬇️
...ommon/src/deps_common/bitcoin/network/encodable.rs	22.82% <0.00%> (-0.50%)	⬇️
testnet/stacks-node/src/neon_node.rs	77.72% <0.00%> (-0.23%)	⬇️
testnet/stacks-node/src/node.rs	82.90% <0.00%> (-0.13%)	⬇️
src/net/atlas/download.rs	78.39% <0.00%> (-0.12%)	⬇️
src/net/inv.rs	38.45% <0.00%> (-0.12%)	⬇️
... and 20 more

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[jcnelson]

Thanks @obycode!

[blockstack-devops]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.