package octez-libs

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A package that contains multiple base libraries used by the Octez suite

Install 

dune-project
 Dependency

www.tezos.com Readme Edit opam file Versions (5)

Authors

  1. T
    Tezos devteam

Maintainers

  1. C
    contact@tezos.com

Sources

tezos-octez-v20.1.tag.bz2
sha256=ddfb5076eeb0b32ac21c1eed44e8fc86a6743ef18ab23fff02d36e365bb73d61
sha512=d22a827df5146e0aa274df48bc2150b098177ff7e5eab52c6109e867eb0a1f0ec63e6bfbb0e3645a6c2112de3877c91a17df32ccbff301891ce4ba630c997a65

doc/octez-libs.plompiler/Plompiler/Gadget/JubjubEdwards/argument-1-L/Limbs/index.html

Module L.Limbs

This module is a more generic version of Bytes, where each scalar stores an nb_bits-bit number.

Parameters

module N : sig ... end

Signature

type 'a input = 'a Input.t

Input for a Plompiler program.

type scalar = scalar

Element of the native scalar field.

type 'a repr = 'a repr

Representation of values.

type 'a t = 'a t

Plompiler program.

type tl = scalar list

Representation of elements.

val input_bytes : le:bool -> bytes -> tl input

input_bytes ~le b returns the representation of b that Plompiler expects as input. le can be used to set the endianness.

val constant : le:bool -> bytes -> tl repr t

constant ~le b returns the constant b as a Plompiler value. le can be used to set the endianness.

val of_scalar : total_nb_bits:int -> scalar repr -> tl repr t

of_scalar ~total_nb_bits b converts the scalar b of size total_nb_bits in bits into the tl representation.

val to_scalar : tl repr -> scalar repr t

to_scalar b return the scalar representing the value b.

val of_bool_list : bool list repr -> tl repr t

of_bool_list b converts the list of bits in little-endian order into the tl representation.

val to_bool_list : tl repr -> bool list repr t

to_bool_list b returns the list of bits in little-endian order, representing the value b.

val xor : tl repr -> tl repr -> tl repr t

xor a b returns the exclusive disjunction of a and b.

val band : tl repr -> tl repr -> tl repr t

band a b returns the conjunction of a and b.

val not : tl repr -> tl repr t

not b returns the negation of b.

val rotate_right : tl repr -> int -> tl repr t

rotate_right b n shifts the bits right by n positions, so that each bit is less significant. The least significant bit becomes the most significant i.e. it is "rotated". rotate_right bs (length bl) = bl

val shift_right : tl repr -> int -> tl repr t

shift_right b n shifts all bits right by n positions, so that each bit is less significant. The least signigicant bit is lost and the most significant bit is set to zero. More precisely, if we interpret the b as an integer, shift_right b n = b / 2^n