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ark-r1cs-std-cherry-picked/CHANGELOG.md

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v0.2.0

Breaking changes

  • #12 Make the output of the ToBitsGadget impl for FpVar fixed-size
  • #48 Add Clone trait bound to CondSelectGadget.

Features

  • #21 Add UInt128
  • #50 Add DensePolynomialVar

Improvements

  • #5 Speedup BLS-12 pairing
  • #13 Add ToConstraintFieldGadget to ProjectiveVar
  • #15, #16 Allow cs to be None when converting a Montgomery point into a Twisted Edwards point
  • #20 Add CondSelectGadget impl for UInts
  • #22 Reduce density of three_bit_cond_neg_lookup
  • #23 Reduce allocations in UInts
  • #33 Speedup scalar multiplication by a constant
  • #35 Construct a FpVar from bits
  • #36 Implement ToConstraintFieldGadget for Vec<Uint8>
  • #40, #43 Faster scalar multiplication for Short Weierstrass curves by relying on affine formulae
  • #46 Add mux gadget as an auto-impl in CondSelectGadget to support random access of an array

Bug fixes

  • #8 Fix bug in three_bit_cond_neg_lookup when using a constant lookup bit
  • #9 Fix bug in short_weierstrass::ProjectiveVar::to_affine
  • #29 Fix to_non_unique_bytes for BLS12::G1Prepared
  • #34 Fix mul_by_inverse for constants
  • #42 Fix regression in mul_by_inverse constraint count
  • #47 Compile with panic='abort' in release mode, for safety of the library across FFI boundaries
  • #57 Clean up UInt docs

v0.1.0

Initial release