package frama-c

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Platform dedicated to the analysis of source code written in C

Install

Dune Dependency

frama-c.com Readme Edit opam file Versions (25)

Authors

Maintainers

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frama-ci-bot@frama-c.com

Sources

frama-c-31.0-Gallium.tar.gz

sha256=a94384f00d53791cbb4b4d83ab41607bc71962d42461f02d71116c4ff6dca567

doc/frama-c.kernel/Frama_c_kernel/Rational/index.html

Module `Frama_c_kernel.Rational`

Implementation of the Field signature based on rational numbers.

since 31.0-Gallium

include Field.S with type t = Q.t

include Datatype.S_with_collections with type t = Q.t

include Datatype.S with type t = Q.t

include Datatype.S_no_copy with type t = Q.t

include Datatype.Ty with type t = Q.t

type t = Q.t

see https://frama-c.com/download/frama-c-plugin-development-guide.pdf

val ty : t Type.t

see https://frama-c.com/download/frama-c-plugin-development-guide.pdf

val name : string

Unique name of the datatype.

val descr : t Descr.t

Datatype descriptor.

val packed_descr : Structural_descr.pack

Packed version of the descriptor.

val reprs : t list

List of representants of the descriptor.

val equal : t -> t -> bool

Equality: same spec than Stdlib.(=).

see https://frama-c.com/download/frama-c-plugin-development-guide.pdf

val compare : t -> t -> int

Comparison: same spec than Stdlib.compare.

val hash : t -> int

Hash function: same spec than Hashtbl.hash.

val pretty : Stdlib.Format.formatter -> t -> unit

Pretty print each value in an user-friendly way.

see https://frama-c.com/download/frama-c-plugin-development-guide.pdf

val mem_project : (Project_skeleton.t -> bool) -> t -> bool

mem_project f x must return true iff there is a value p of type Project.t in x such that f p returns true.

val copy : t -> t

Deep copy: no possible sharing between x and copy x.

module Set : Datatype.Set with type elt = t

module Map : Datatype.Map with type key = t

module Hashtbl : Datatype.Hashtbl with type key = t

type scalar = t

Useful constants in the field.

Two is provided for users that model floating point computations using abstractions over the field.

val zero : scalar

val one : scalar

val two : scalar

val pos_inf : scalar

val neg_inf : scalar

Constructors interacting with standard OCaml types.

val of_int : int -> scalar

val of_float : float -> scalar

val to_float : scalar -> float

val of_string : string -> scalar

Standard arithmetic unary operations.

val neg : scalar -> scalar

val abs : scalar -> scalar

Standard arithmetic binary operations.

val (+) : scalar -> scalar -> scalar

val (-) : scalar -> scalar -> scalar

val (*) : scalar -> scalar -> scalar

val (/) : scalar -> scalar -> scalar

Standard arithmetic relational operations.

val (=) : scalar -> scalar -> bool

val (!=) : scalar -> scalar -> bool

val (<=) : scalar -> scalar -> bool

val (<) : scalar -> scalar -> bool

val (>=) : scalar -> scalar -> bool

val (>) : scalar -> scalar -> bool

Other arithmetic operations.

val pow2 : int -> scalar

pow2 e computes the scalar 2 ^ e.

val log2 : scalar -> int Field.bounds

log2 f computes the integer l and u such as l = floor(log₂ f) and u = ceiling(log₂ f).

val sqrt : scalar -> scalar Field.bounds

sqrt f computes bounds of the square root of f.

val max : scalar -> scalar -> scalar

val min : scalar -> scalar -> scalar