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123456789101112131415161718192021222324252627282930313233343536(************************************************************************)(* * 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."