| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/Roqc/kernel/ (Beweissystem des Inria Version 9.1.0©) Datei vom 15.8.2025 mit Größe 1 kB |
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Quelle float64_63.ml Sprache: SML |
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(* * The Rocq Prover / The Rocq Development Team *) (* v * Copyright INRIA, CNRS and contributors *) (* <O___,, * (see version control and CREDITS file for authors & dates) *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) (* * (see LICENSE file for the text of the license) *) (************************************************************************) include Float64_common let mul (x : float) (y : float) : float = x *. y [@@ocaml.inline always] let add (x : float) (y : float) : float = x +. y [@@ocaml.inline always] let sub (x : float) (y : float) : float = x -. y [@@ocaml.inline always] let div (x : float) (y : float) : float = x /. y [@@ocaml.inline always] let sqrt (x : float) : float = sqrt x [@@ocaml.inline always] (*** Test at runtime that no harmful double rounding seems to be performed with an intermediate 80 bits representation (x87). *) let () = let b = ldexp 1. 53 in let s = add 1. (ldexp 1. (-52)) in if add b s <= b || add b 1. <> b || ldexp 1. (-1074) <= 0. then failwith "Detected non IEEE-754 compliant architecture (or wrong \ rounding mode). Use of Float is thus unsafe." ¤ Dauer der Verarbeitung: 0.10 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28