Allow sparse pauli syntax in `stim.PauliString.__init__`

quantumlib / Stim

A fast stabilizer circuit library.

Apache License 2.0

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Closed Strilanc closed 5 months ago

Strilanc commented 5 months ago

For example, stim.PauliString("X2*Y5") == stim.PauliString("__X__Y")
Also allow sparse pauli syntax in stim.has_flow
Add stim::simd_bits{_range_ref}.as_u64 convenience method
Refactor stim::PauliString::safe_accumulate_pauli_term into {right,left}_mul_pauli